Waste Management and Environmental Services - Advanced Measurement Instruments

AMI-Sync Series

Dec 21,2023 Leave a comment Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

INTRODUCTION

The AMI-Sync Series is a fully automated, high-performance line of gas physisorption analyzers designed for rapid and accurate surface area and pore size characterization of porous and non-porous materials. Whether analyzing catalysts, zeolites, MOFs, or advanced battery materials, the AMI-Sync Series delivers robust vacuum-volumetric measurement systems backed by intuitive software and comprehensive support for both standard and advanced adsorption techniques.
Available in flexible 1-, 2-, or 4-station configurations, the AMI-Sync Series features a common P₀ measuring transducer and supports simultaneous saturation vapor pressure measurements. Each unit is built for high-throughput performance, with options for a dedicated pressure transducer per station to maximize speed, or a shared sensor setup for cost efficiency. A single large-volume dewar supports multiple stations simultaneously, offering an ideal solution for space-conscious laboratories with demanding workloads.

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AMI-Sync 400 Series Instrument

KEY FEATURES

Customizable Configuration for Throughput Analysis Needs
The AMI-Sync series offers a scalable solution with up to four high-resolution measurement stations for precise pore size and surface area analysis. For increased throughput, additional instruments can be linked via LAN, expanding to 12 analysis ports with centralized and remote-control capabilities.
Extended Analysis Duration
AMI-Sync analyzers are equipped with large 3-liter Dewar flasks that allow over 90 hours of continuous analysis. The system supports live refilling during experiments, ensuring uninterrupted data collection during long runs and complex isotherm acquisitions.
High Sensitivity & Reproducibility
The AMI-Sync Series delivers precise and reliable surface area and porosity data, with a BET detection limit as low as 0.1 m² absolute and 0.01 m²/g specific. It offers outstanding reproducibility—within 1% on standard reference materials like BAM P115—ensuring confidence in repeated analyses.
Precision-Engineered Hardware
Built with stainless steel and vacuum-brazed manifolds, the system features ultra-durable bellows valves rated for over 5 million cycles. Temperature control maintains ±0.05 °C stability, while 32-bit pressure sensors provide high-resolution, accurate data capture.

Cryo Tune^TM (Optional Feature)
Unlock advanced temperature control with Cryo Tune^TM, an optional low-temperature cold bath system designed for precision adsorption studies. Fully integrated with Sync software, Cryo Tune^TM allows users to effortlessly conduct adsorption isotherm measurements across a range of temperatures.
Optimized Manifold Contamination Control
A two-step filtration system protects the manifold from particulates reducing contamination risks and extending instrument life. Combined with stainless steel construction and high-cycle bellows valves, the system ensures clean, reliable operation even in high-throughput environments.
Compact & Lab-Ready
All models share a compact footprint of 51 ×53 × 93 cm, making them ideal for space-conscious labs. Despite their compact size, Sync analyzers are fully equipped for both research-grade and industrial applications, offering power, durability, and precision in one system.

SOFTWARE

Sync Series analyzers are driven by a multilingual, user-friendly software suite that supports:
• Control of up to 8 instruments from a single PC
• Built-in method libraries for fast setup and repeatability
• Customizable analysis profiles with real-time system feedback
• Automated leak detection and guided maintenance routines
• CFR 21 Part 11-ready sample tracking, including ID and method history
• Visual instrument status interface for monitoring analysis in progress
Additional capabilities include void volume correction, supercritical P₀ handling, temperature control with CryoTune, and compatibility with up to 6 gases per station.

Isotherm

3-stage evacuation to prevent sample fluidization

Main software screen

Interactive software screen

Data Analysis Capabilities:

Isothermal absorption and desorption curve
BET specific surface area (single and multiple point)
Langmuir surface area
Statistical thickness surface area. (STSA)

HK pore size analysis
SF pore size analysis
NLDFT pore size distribution
Total pore volume
t-plot analysis

SPECIFICATIONS

Model	AMI-Sync
Specific Model	110	210	220	420	440
Analysis Ports	1	2	2	4	4
p₀ Transducer	1	1	1	1	1
Analysis Pressure Transducer	1	1	2	2	4
Surface Area	≥ 0.0005 m²/g
Pore Size	0.35-500 nm
Pore Volume	≥ 0.0001 cm³ /g
Pump	Mechanical pump(minimal 5.0×10^-4 mmHg)
p/p₀	10^-5-0.998
Accuracy PTs	1000 mmHg(+/-0.2%F.S.)
Adsorbates	N₂,CO₂,Ar,Kr,H₂,O₂,CO,NH₃,CH₄
Dimensions	51 × 53 ×93 cm (16.1 x 20.8 x 36.6 inches) All same dimensional size
Weight	45 kg \| 99 pounds (maximum depending on configuration)

Switch-6

Apr 8,2025 Comments Off Adsorption Separation, Agriculture, Battery and Electronics, Catalysts, Energetic Materials, Food & Beverage, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

The automatic multi-channel gas inlet controller, Switch-6, features an integrated design, enabling one- button switching among multiple gases and supporting up to six input ports. Users can select any gas path for output as needed, making it ideal for applications requiring frequent gas changes during various testing procedures.
This device is highly compatible, designed to work seamlessly with the full range of AMI instruments and a wide variety of systems from other manufacturers.
Safety
Features a streamlined valve disassembly and assembly when switching between different gases, significantly reducing the risk of leakage from manual operations. Additionally, a corrosion-resistant version is available upon request to accommodate more demanding environments.
Simplicity
Enables automatic gas switching with a single button press. It also performs automatic pipeline purging, preventing residual gases from affecting the accuracy of subsequent experimental results.
Flexibility
Supports six input ports and one output port, with the option to cascade multiple units—allowing for 6, 12, 18, or more gas paths as needed.

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Automatic Multi-channel Gas Inlet Controller

	Switch-6
Number of ports	6 (12, 18 are optional)
Tubing size	1/8 inch
Pressure	Near atmospheric
Gas types	N₂, H₂, Ar, and other gases (corrosive gases such as H₂S, NH₃, HCl, etc., are available as options)
Dimensions and weight	L 28.7 in (730 mm) × W 9.5 in (240 mm) × H 10.0 in (253 mm), 11 lbs (5 kg)

Meso 112/222

Apr 3,2025 Leave a comment Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

INTRODUCTION

The AMI-Meso112/222 Series is engineered for high-precision surface area and pore size characterization of powdered materials. This series comprises two models, Meso 112 and Meso 222, both integrated with 1000 torr pressure transducers at each analysis station for accurate BET surface area determination and mesopore size distribution analysis.
Each analysis port is equipped with an in-situ degassing module capable of heating samples up to 400°C, ensuring efficient removal of adsorbed contaminants prior to analysis. This in-situ degassing eliminates the risk of contamination associated with sample transfer. Additionally, when multiple stations are utilized, each operates independently, allowing for simultaneous yet discrete analyses of different samples.

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- Structural distribution diagram of Meso 222

KEY FEATURES

Module Design for Minimal Dead Volume
The internal gas path design of the instrument adopts a unique integrated metal module design, which not only reduces the internal dead volume spacebut also helps mitigate possible leaks.
Saturated Vapor Pressure P0
An independent P₀ pressure transducer is configured at 133 kPa for P₀ value testing,enabling real-time P/P₀ measurement for more accurate and reliable test data. Alternatively, an atmospheric pressure input method can be used to determine P₀.
Independent analysis ports
With independent analysis ports, the system employs a unique vacuum control logic that allows each station to operate without disruption, even when using a single mechanical pump or pump group.This enables simultaneous, independent experiments, meeting diverse adsorbent testing needs while ensuring high efficiency.
Liquid Nitrogen Dewar
The use of 1 L Dewar flasks in conjunction with a sealed cover ensures a stable thermal profile along the entire length of both the sample tubes and P₀ tubes throughout the testing process.
Sample Preparation
Equipped with two in-situ degassing ports, enabling simultaneous degassing and analysis. Each port offers independent temperature control from ambient to 400°C, ensuring precise sample preparation.

High Accuracy Pressure Transducers
Equipped with 1000 torr pressure transducers, the Meso Series enables precise physical adsorption analysis, achieving a partial pressure (P/P₀) as low as 10 -² for nitrogen (N₂) at 77 K.
Optimized Manifold Contamination Control
This system features a multi-channel, adjustable, and parallel vacuum design with segmented vacuum control. This setup effectively prevents samples from being drawn up into the analyzer therefore preventing manifold contamination.
Thermal Stabilization
A core rod in the sample tube reduces deadvolume and stabilizes the cold free space coefficient, while an iso-thermal jacket maintains a constant thermal profile along the tube. Additionally, automatic helium correction ensures precise calibration for any powder or particulate material, minimizing temperature- related deviations during analysis.

SOFTWARE

PAS Software is an intelligent solution for operation control, data acquisition, calculation, analysis, and report generation on the Windows platform. It communicates with the host via the LAN port and can remotely control multiple instruments simultaneously.

PAS Software adopts a unique intake control method, optimizing pressure in the adsorption and desorption processes through a six-stage setting, which improves testing efficiency.
Changes in pressure and temperature inside the manifold can be directly observed in the test interface, providing convenience for sample testing and instrument maintenance. The current state of analyzer can be intuitively understood with the indicator light and event bar.

Each adsorption equilibrium process is dynamically displayed on the test interface. Adsorption characteristics of the sample can be easily understood.
A clear and concise report setting interface, including the following:
Adsorption and desorption isotherms
Single-/Multipoint BET surface area
Langmuir surface area
STSA-surface area
Pore size distribution according to BJH
T-plot
Dubinin-Radushkevich
Horvath-Kawazoe
Saito-Foley

TYPICAL ANALYSIS RESULTS

The specific surface area test results of iron ore powder are presented in the figure below. As a material with very small specific surface area, the repeatability error is only 0.0015 m²/g in the test results.

Analysis value of pore size distribution in activated carbon materials as follows:

SPECIFICATIONS

Model	AMI-Meso 112	AMI-Meso 222
Analysis Ports	2	2
P₀ Transducer	2	2
AnalysisPressure Transducer	1	2
Accuracy PTs	1000 torr
Pump	1 Mechanical pump (ultimate vacuum 10^-2 Pa);
P/P₀	10^-4- 0.998
Surface Area	≥ 0.0005 m²/g, test repeatability: RSD ≤ 1.0%
Pore Size	0.35-500 nm, test repeatability: ≤0.2 nm
Pore Volume	≥ 0.0001 cm³/g
Degassing Ports	2 in-situ
Adsorbates	N₂, CO₂, Ar, Kr, H₂, O₂, CO, CH₂, etc.
Cold Trap	1
Volume and Weight	L 34.5 in (870 mm) × W 22.5 in (570 mm) × H 35.0 in (890 mm), 188 lbs (85 kg)
Power Requirements	110 or 200-240 VAC, 50/60 Hz, maximum power 300 W

APPLICATIONS

Applied Field	Typical Materials	Details
Material Research	Ceramic powder, metal powder, nanotube	According to surface area value of nanotube, hydrogen storage capacity can be predicted.
Chemical Engineering	Carbon black, amorphous silica, zinc oxide, titanium dioxide	Introduction of carbon black in rubber matrix can improve mechanical properties of rubber products. Surface area of carbon black is one of the important factors affecting the reinforcement performance of rubber products.
New Energy	Lithium cobalt, lithium manganate	Increasing surface area of electrode can improve Electrochemical reaction rate and promote iron exchange in negative electrode.
Catalytic Technologies	Active alumina oxide, molecular sieve, zeolite	Active surface area and pore structure influence reaction rate.

Prep Series

Dec 21,2023 Leave a comment Adsorption Separation, Battery and Electronics, Catalysts, Energetic Materials, Food & Beverage, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

Prep 8A- VACUUM DEGASSER

The Prep 8A features two independent working modules, each with four degassing ports, allowing simultaneous preparation of up to eight samples. Each module operates with independent temperature and time controls, enabling flexible and parallel sample degassing.
A multi-stage vacuum pumping system, regulated by an internal pressure transducer, prevents sample elutriation, controls switching pressure, regulates nitrogen backfill pressure, and maintains precise pressure control during furnace descent. Programmable temperature ramping and a built-in cooling fan ensure efficient, precise, and controlled thermal treatment.
The system is operated via a 7-inch touchscreen interface with automatic parameter memory, streamlining operation and enhancing usability.
Use-Case:
High-capacity vacuum degasser with vertical configuration; ideal for labs prioritizing throughput, thermal uniformity, and complete automation.

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Prep 8A

Model	Prep 8A
Temperature	RT-400°C
Control accuracy	±1°C
Degassing port	8
Pump	1 mechanical pump
Heating method	Programmed temperature ramping (Optional)
Dimensions and weight	L 17.0 in (430 mm) W 16.0 in (405 mm) H 28.5 in (725 mm) 80 lbs (36 kg)

Prep 8M-VACUUMDEGASSER

Prep 8M

ThePrep 8M vacuum degasser features a single working module with eight degassing ports, enabling the simultaneous preparation of up to eight samples under uniform thermal conditions. All stations operate at the same temperature, making it ideal for processing multiple samples consistently.
Designed for efficiency and ease of use, the Prep 8M allows quick disassembly of sample tubes, supports grouped programmed temperature ramping,and features a purge-assisted cooling function for rapid cooldown. Its anti-elutriation design ensures sample integrity throughout the vacuum degassing process.
Temperature is fully programmable to deliver consistent and precise thermal treatment, while vacuum and backfill are manually controlled, giving operators the flexibility to manage timing and sequencing based on specific sample requirements
Use-Case:
Compact benchtop vacuum degasser with semi-automated functionality suited for space-constrained labs needing 8-port capacity.

Model	Prep 8M
Temperature	RT-400°C
Control accuracy	±1°C
Degassing port	8
Pump	1 mechanical pump
Heating method	Programmed
Dimensions and weight	L 15.5 in (395 mm) W 18.0 in (455 mm) H 14.0 in (358 mm) 66 lbs (30 kg)

Prep 4M-VACUUM DEGASSER

ThePrep 4M vacuum degasser features four independent degassing stations, each with individually adjustable temperature and time parameters. This allows for the simultaneous preparation of multiple samples under different conditions, making it ideal for laboratories handling diverse materials.
Designed to maintain sample integrity, the system includes an anti-elutriation design to prevent particle loss during evacuation.It also supports optional programmable temperature ramping for controlled and repeatable heating cycles. Vacuum and nitrogen backfill are manually controlled, giving operators the flexibility to manage process timing based on specific sample requirements.
ThePrep 4M offers a compact and versatile solution for reliable sample pretreatment in surface area and gas adsorption analyses.
Use-Case:
Economical 4-port vacuum degasser for low-to-mid throughput needs; temperature ramping available as an option.

Prep 4M

Model	Prep 4M
Temperature	RT-400°C
Control accuracy	±1°C
Degassing port	4
Pump	1 mechanical pump (Ultimate vacuum 10^-2 Pa, optional)
Heating method	Programmed temperature ramping (Optional)
Dimensions and weight	L 16.0 in (410 mm) W 14.5 in (361 mm) H 27.6 in (702 mm) 55 lbs (25 kg)

Prep 8F –FLOW DEGASSER

Prep 8F

The Prep 8F is a versatile, high-throughput degassing system featuring two independent working units, each with four degassing ports, allowing the simultaneous preparation of up to eight samples. Each unit offers independent control of degassing temperature and time, providing flexibility for handling different sample types.
Designed for dynamic(flow) degassing, the system ensures efficient and uniform sample preparation without the use of vacuum. A programmable temperature ramping function enables controlled heating, while a built-in furnace fan facilitates rapid cooling between runs.
Operation is streamlined through a 7-inch integrated touchscreen with an intuitive interface and automatic parameter memory, making the Prep 8F an ideal solution for high-throughput sample pretreatment in surface area and gas adsorption analysis
Use-Case:
Flow-based degasser with 8 ports;designed for applications where vacuum degassing is not preferred or feasible.

Model	Prep 8F
Temperature	RT-400°C
Control accuracy	±1°C
Degassing port	8
Pump	1 mechanical pump
Heating method	Programmed temperature ramping (Optional)
Dimensions and weight	L 27.0 in (680 mm) W 16.0 in (404 mm) H 15.7 in (400 mm) 70 lbs (32 kg)

Meso 400

Dec 18,2023 Leave a comment Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

INTRODUCTION

The AMI-Meso 400 is a compact, high-performance sorption analyzer designed for the precise characterization of mesoporous and macroporous materials. Equipped with four fully independent analysis stations, it enables the determination of BET surface area, total pore volume, and pore size distribution with maximum efficiency.
Each analysis station features an individual dosing volume, allowing fully autonomous operation with independent programming and initiation at any time—eliminating downtime between analyses. This design ensures highly reproducible results and optimized throughput.
The AMI-Meso 400 supports a wide range of non-corrosive adsorptive gases, including N₂, CO₂, Ar, Kr, H₂, O₂, CO, NH₃, and CH₄, providing exceptional flexibility for various research and industrial applications. Additionally, all four stations function as in-situ degassing units, enabling efficient sample preparation within the same system.

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KEY FEATURES

Module Design for Minimal Dead Volume
The internal gas path design of the instrument adopts a unique integrated metal module design, which not only reduces the internal dead volume spacebut also helps mitigate possible leaks.
Saturated Vapor Pressure P₀
An independent P₀ pressure transducer is configured at 133 kPa for P₀ value testing,enabling real-time P/P₀ measurement for more accurate and reliable test data. Alternatively, an atmospheric pressure input method can be used to determine P₀.
Independent analysis ports
With independent analysis ports, the system employs a unique vacuum control logic that allows each station to operate without disruption, even when using a single mechanical pump or pump group. This enables simultaneous, independent experiments, meeting diverse adsorbent testing needs while ensuring high efficiency.
Thermal Stabilization
A core rod in the sample tube reduces deadvolume and stabilizes the cold free space coefficient, while an iso-thermal jacket maintains a constant thermal profile along the tube. Additionally, automatic helium correction ensures precise calibration for any powder or particulate material, minimizing temperature-related deviations during analysis.

High Accuracy Pressure Transducers
Equipped with 1000 torr pressure transducers, the Meso Series enables precise physical adsorption analysis, achieving a partial pressure (P/P₀) as low as 10^-2 for nitrogen (N₂) at 77 K.
Optimized Manifold Contamination Control
This system features a multi-channel, adjustable, and parallel vacuum design with segmented vacuum control. This setup effectively prevents samples from being drawn up into the analyzer therefore preventing manifold contamination.
Liquid Nitrogen Dewar
The use of 1 L Dewar flasks in conjunction with a sealed cover ensures a stable thermal profile along the entire length of both the sample tubes and P₀ tubes throughout the testing process.
Sample Preparation
Equipped with four in-situ degassing ports, enabling simultaneous degassing and analysis. Each port offers independent temperature control from ambient to 400°C, ensuring precise sample preparation.

SOFTWARE

PAS Software is an intelligent solution for operation control, data acquisition, calculation, analysis, and report generation on the Windows platform. It communicates with the host via the LAN port and can remotely control multiple instruments simultaneously.

PAS Software adopts a unique intake control method, optimizing pressure in the adsorption and desorption processes through a six-stage setting, which improves testing efficiency.
Changes in pressure and temperature inside the manifold can be directly observed in the test interface, providing convenience for sample testing and instrument maintenance. The current state of analyzer can be intuitively understood with the indicator light and event bar.

Each adsorption equilibrium process is dynamically displayed on the test interface. Adsorption characteristics of the sample can be easily understood.
A clear and concise report setting interface, including the following:
Adsorption and desorption isotherms
Single-/Multipoint BET surface area
Langmuir surface area
STSA-surface area
Pore size distribution according to BJH
T-plot
Dubinin-Radushkevich
Horvath-Kawazoe
Saito-Foley

TYPICAL ANALYSIS RESULTS

The specific surface area test results for iron ore powder are shown in the figure below. As a material with an inherently low specific surface area, the repeatability error in the measurements is only 0.0015 m²/g, demonstrating high testing precision.

Analysis of pore size distribution of activated carbon materials by NLDFT.

Adsorption and Desorption Isotherms of typical macroporous material - silica.

APPLICATIONS

Applied Field	Typical Materials	Details
Material Research	Ceramic powder, metal powder, nanotubes	According to the surface area value of the nanotube, hydrogen storage capacity can be predicted.
Chemical Engineering	Carbon black, amorphous silica, zinc oxide, titanium dioxide	Introduction of carbon black in rubber matrix can improve mechanical properties of rubber products. Surface area of carbon black is one of the important factors affecting the reinforcement performance of rubber products.
New Energy	Lithium cobalt, lithium manganate	Increasing the surface area of the electrode can improve the Electrochemical reaction rate and promote iron exchange in the negative electrode.
Catalytic Technologies	Active alumina oxide, molecular sieve, zeolite	Active surface area and pore structure influence reaction rate.

SPECIFICATIONS

Model	AMI Meso 400
Analysis Ports	4
P₀ Transducer	4
Analysis Pressure Transducer	4
Accuracy Pressure Transducers	1000 torr
Pump	1 mechanical pumps(ultimate vacuum10^-2 Pa)
P/P₀	10^-4-0.998
Surface Area	≥0.0005 m²/g,test repeatability:RSD≤1.0%
Pore Size	0.35-500 nm,test repeatability:≤0.02 nm
Pore Volume	≥0.0001 cm³/g
Degassing Ports	4 in-situ
Adsorbates	N₂, Ar, Kr, H₂, O₂, CO₂, CO, NH₃, CH₄, etc..
Cold Trap	1
Volume and Weight	38.5 in (980 mm) × W 25.0 in (630 mm) × H 38.5 in (976 mm), 176-199 lbs (90 kg)
Power Requirements	110 or 200-240VAC, 50/60Hz, maximum power300 W

Micro 100

Dec 18,2023 Leave a comment Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

INTRODUCTION

The AMI-Micro 100 Series is a high-precision physisorption instrument designed for the accurate determination of specific surface area and pore size distribution in a wide range of materials. The series is available in three distinct models—A, B, and C—each offering specialized capabilities to accommodate various analytical requirements (refer to the specification table for further details).
The Micro 100 C model is equipped with high-sensitivity 1 torr pressure transducers (with an optional 0.1 torr configuration) and a turbo molecular pump achieving an ultimate pressure of 10⁻⁸ Pa, ensuring exceptional accuracy in the characterization of microporous structures. Furthermore, all analysis stations incorporate in-situ sample preparation, effectively minimizing contamination and enhancing measurement reliability.
Engineered for advanced materials research, the AMI-Micro 100 Series is particularly well-suited for the characterization of microporous materials, including metal-organic frameworks (MOFs), molecular sieves, catalysts, activated carbon, and other porous substances, providing precise and reproducible gas adsorption analysis.

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Instrument Structural Layout of AMI-Micro 100 Series

FEATURES

Module Design for Minimal Dead Volume
The internal gas path design of the instrument adopts a unique integrated metal module design, which not only reduces the internal dead volume space but also lowers the system leakage rate.

Saturated Vapor Pressure P₀
An independent P₀ pressure transducer is configured at 133 kPa for P₀ value testing, enabling real-time P/P₀ measurement for more accurate and reliable test data. Alternatively, an atmospheric pressure input method can be used to determine P₀.
Multiple Degassing Stations for Sample Preparation
Equipped with two (2) integrated degassing ports and two (2) in-situ degassing ports. Each port offers independent temperature control from ambient to 400°C, ensuring precise sample preparation. In-situ degassing enhances microporous material analysis by providing superior efficiency over ex-situ methods.
High-Precision Micropore Distribution Analysis (Micro 100C)
Utilizes advanced micropore models, including the Horvath-Kawazoe (HK) and Saito-Foley (SF) methods,to accurately determine pore size distribution. Ensures an aperture deviation of less than 0.02 nm, providing precise characterization of microporous materials in gas
adsorption studies.
Thermal Stabilization
A core rod in the sample tube reduces dead volume and stabilizes the cold free space coefficient, while an iso-thermal jacket maintains a constant thermal profile along the tube. Additionally, automatic helium correction ensures precise calibration for any powder or particulate material, minimizing temperature- related deviations during analysis.

Customizable Selection of Pressure Transducers
Depending on the model, the AMI-Micro 100 Series offers various quantities and types of pressure transducers. Among them, the Micro 100C, equipped with a 1 torr transducer (selectable 0.1 Torr), enables a partial pressure (P/P₀) of up to 10⁻⁸ (N₂/77 K) in
physical adsorption analysis.
Optimized Manifold Contamination Control
This system features a multi-channel, adjustable, and parallel vacuum design with segmented vacuum control. This setup effectively prevents samples from being drawn up into the analyzer therefore preventing manifold contamination.
Turbo Molecular Pump
A Turbo Molecular pump is included on the Micro 100B and Micro 100C. Achieving ultimate pressures of 10⁻⁸ Pa, this system ensures a solid foundation for precise micropore analysis at ultra-low pressures.

SOFTWARE

PAS Software is an intelligent solution for operation control, data acquisition, calculation, analysis, and report generation on the Windows platform. It communicates with the host via the LAN port and can remotely control multiple instruments simultaneously.

PAS Software adopts a unique intake control method, optimizing pressure in the adsorption and desorption processes through a six-stage setting, which improves testing efficiency.
Changes in pressure and temperature inside the manifold can be directly observed in the test interface, providing convenience for sample testing and instrument maintenance. The current state of analyzer can be intuitively understood with the indicator light and event bar.

Each adsorption equilibrium process is dynamically displayed on the test interface. Adsorption characteristics of the sample can be easily understood.
A clear and concise report setting interface, including the following:
Adsorption and desorption isotherms
Single-/Multipoint BET surface area
Langmuir surface area
STSA-surface area
Pore size distribution according to BJH
T-plot
Dubinin-Radushkevich
Horvath-Kawazoe
Saito-Foley

TYPICAL ANALYSIS RESULTS

The specific surface area test results for iron ore powder are shown in the figure below. As a material with an inherently low specific surface area, the repeatability error in the measurements is only 0.0015 m²/g, demonstrating high testing precision.

Analysis of pore size distribution of activated carbon materials by NLDFT.

Analysis of pore size distribution of activated carbon materials by NLDFT.

SPECIFICATIONS

Specific Model	100A	100B	100C
Analysis Ports	2	2	2
P0 Transducer	2	2	2
Analysis Pressure Transducer	1	2	3
Accuracy PTs	1000 torr	1000 torr, 10 torr	1000torr, 10 torr, 1(0.1) torr
Testing Mode	Sequential
Adsorbates	N₂, Ar, Kr, H₂, O₂, CO₂, CO, NH₃, CH₄, etc.
Pump	2 mechanical pumps(ultimate vacuum 10^-2Pa): 1 analysis,1 degas;	2 mechanica lpumps(ultimatevacuum 10^-2 Pa): 1 analysis, 1 degas; 1 turbo molecular pump (ultimate vacuum 10^-8 Pa);
P/P0	10^-4-0.998	10^-8-0.998
Surface Area	≥0.0005 m₂/g,test repeatability:RSD≤1.0%
Cold Trap	1
Pore Size	0.35-500 nm, test repeatability: ≤0.02 nm
Pore Volume	≥ 0.0001 cm³/g
Degassing Ports	2 in-situ;2 ex-situ;
Volumeand Weight	L34.5 in (870 mm) × W 22.5 in (570 mm) × H35.0 in (890 mm),176-198 lbs. (80-90 kg)
Power Requirements	110 or 240 VAC, 50/60 Hz, maximum power 300 W

Micro 200

Dec 18,2023 Leave a comment Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

INTRODUCTION

The AMI-Micro 200 Series is a high-precision physisorption instrument designed for the accurate determination of specific surface area and pore size distribution in a wide range of materials. The series is available in three distinct models—A, B, and C—each offering specialized capabilities to accommodate various analytical requirements (refer to the specification table for further details).
The Micro 200 C models can be equipped with high-sensitivity 1 torr pressure transducers (with an optional 0.1 torr configuration) and a turbo molecular pump achieving an ultimate pressure of 10⁻⁸ Pa, ensuring exceptional accuracy in the characterization of microporous structures. Furthermore, all analysis stations incorporate in-situ sample preparation, effectively minimizing contamination and enhancing measurement reliability.
Engineered for advanced materials research, the AMI-Micro 200 Series is particularly well-suited for the characterization of microporous materials, including metal-organic frameworks (MOFs), molecular sieves, catalysts, activated carbon, and other porous substances, providing precise and reproducible gas adsorption analysis.

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- Instrument Structural Layout of AMI-Micro 200 Series

FEATURES

Module Design for Minimal Dead Volume
The internal gas path design of the instrument adopts a unique integrated metal module design, which not only reduces the internal dead volume space but also lowers the system leakage rate.

Saturated Vapor Pressure P₀
An independent P₀ pressure transducer is configured at 133 kPa for P₀ value testing, enabling real-time P/P₀ measurement for more accurate and reliable test data. Alternatively, an atmospheric pressure input method can be used
to determine P₀.
Independent analysis ports
With independent analysis ports, the system employs a unique vacuum control logic that allows each station to operate without disruption, even when using a single mechanical pump or pump group. This enables simultaneous, independent experiments, meeting diverse adsorbent testing needs while ensuring high efficiency.
High-Precision Micropore Distribution Analysis (Micro 200 B and C)
Utilizes advanced micropore models, including the Horvath-Kawazoe (HK) and Saito-Foley (SF) methods,to accurately determine pore size distribution. Ensures an aperture deviation of less than 0.02 nm, providing precise characterization of microporous materials in gas adsorption studies.
Thermal Stabilization
A core rod in the sample tube reduces dead volume and stabilizes the cold free space coefficient, while an iso-thermal jacket maintains a constant thermal profile along the tube. Additionally, automatic helium correction ensures precise calibration for any powder or particulate material, minimizing temperature- related deviations during analysis.

Customizable Selection of Pressure Transducers
Depending on the model, the AMI-Micro 200 Series offers various quantities and types of pressure transducers. Among them, the Micro 200 B and C, equipped with a 1 Torr transducer (selectable 0.1 Torr), enables a partial pressure (P/P₀) of up to 10^-8(N₂/77 K) in physical adsorption analysis.
Optimized Manifold Contamination Control
This system features a multi-channel, adjustable, and parallel vacuum design with segmented vacuum control. This setup effectively prevents samples from being drawn up into the analyzer therefore preventing manifold contamination.
Turbo Molecular Pump
A Turbo Molecular pump is included on the Micro 200B and Micro 200C. Achieving ultimate pressures of 10⁻⁸ Pa, this system ensures a solid foundation for precise micropore analysis at ultra-low pressures.
Multiple Degassing Stations for Sample Preparation
Equipped with two (2) integrated degassing ports and two (2) in-situ degassing ports. Each port offers independent temperature control from ambient to 400°C, ensuring precise sample preparation. In-situ degassing enhances microporous material analysis by providing superior efficiency over ex-situ methods.

SOFTWARE

PAS Software is an intelligent solution for operation control, data acquisition, calculation, analysis, and report generation on the Windows platform. It communicates with the host via the LAN port and can remotely control multiple instruments simultaneously.

PAS Software adopts a unique intake control method, optimizing pressure in the adsorption and desorption processes through a six-stage setting, which improves testing efficiency.
Changes in pressure and temperature inside the manifold can be directly observed in the test interface, providing convenience for sample testing and instrument maintenance. The current state of analyzer can be intuitively understood with the indicator light and event bar.

Each adsorption equilibrium process is dynamically displayed on the test interface. Adsorption characteristics of the sample can be easily understood.
A clear and concise report setting interface, including the following:
Adsorption and desorption isotherms
Single-/Multipoint BET surface area
Langmuir surface area
STSA-surface area
Pore size distribution according to BJH
T-plot
Dubinin-Radushkevich
Horvath-Kawazoe
Saito-Foley

TYPICAL ANALYSIS RESULTS

The specific surface area test results for iron ore powder are shown in the figure below. As a material with an inherently low specific surface area, the repeatability error in the measurements is only 0.0015 m²/g, demonstrating high testing precision.

Analysis of pore size distribution of activated carbon materials by NLDFT.

 Adsorption and Desorption Isotherms of typical macroporous material - silica.

SPECIFICATIONS

Specific Model		200A	200B	200C
Analysis Ports		2	2	2
P₀ Transducer		2	2	2
Analysis Pressure Transducer		2	4	6
Accuracy PTs	Port 1	1000 torr	1000 torr, 10 torr, 1(0.1) torr	1000 torr, 10 torr, 1(0.1) torr
	Port 2	1000 torr	1000 torr	1000 torr, 10 torr, 1(0.1) torr
Adsorbates		N₂, Ar, Kr, H₂, O₂, CO₂, CO, NH₃, CH₄, etc.
Pump		2 mechanical pumps (ultimate vacuum 10^-2 Pa): 1 analysis, 1 degas;	2 mechanical pumps (ultimate vacuum 10^-2 Pa):1 analysis, 1 degas; 1 turbo molecular pump (ultimate vacuum 10^-8 Pa);
P/P₀		10^-4-0.998	10^-8-0.998
Surface Area		≥0.0005 m²/g,test repeatability:RSD≤1.0%
Cold Trap		1
Pore Size		0.35-500 nm, test repeatability: ≤0.02 nm
Pore Volume		≥ 0.0001 cm³/g
Degassing Ports		2 in-situ;2 ex-situ;
Volumeand Weight		L34.5 in (870 mm) × W 22.5 in (570 mm) × H35.0 in (890 mm),176-198 lbs. (80-90 kg)
Power Requirements		110 V or 240 VAC, 50/60 Hz, maximum power 300 W

Micro 300

Dec 18,2023 Leave a comment Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Plastic and Polymers, Waste Management and Environmental Services

INTRODUCTION

The AMI-Micro 300 Series is a high-precision physisorption instrument designed for specific surface area and pore size analysis of various materials. It is equipped with three independently operating analysis ports, allowing different adsorbate gases to be configured and tested simultaneously. Based on functional capabilities, the series is categorized into three models: A, B, and C (see the specification table for additional details). Each analysis station features a dedicated dosing manifold to optimize analysis time and ensure precise gas dosing.
The Micro 300 B and C models are equipped with a 1 torr or 0.1 torr high-sensitivity pressure transducers and a turbo molecular pump with an ultimate pressure of 10^-8 Pa, ensuring precise measurements of microporous structures. Furthermore, all three analysis stations support in-situ sample preparation, minimizing the risk of contamination. This instrument is particularly well-suited for the characterization of microporous materials, including MOFs, molecular sieves, catalysts, activated carbon, and other porous substances.

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- Instrument Structural Layout of AMI-Micro 300 Series

FEATURES

Module Design for Minimal Dead Volume
The internal gas path design of the instrument adopts a unique integrated metal module design, which not only reduces the internal dead volume space but also lowers the system leakage rate.
Saturated Vapor Pressure P₀
An independent P₀ pressure transducer is configured at 133 kPa for P₀ value testing, enabling real-time P/P₀ measurement for more accurate and reliable test data. Alternatively, an atmospheric pressure input method can be used to determine P₀.
Independent analysis ports
With independent analysis ports, the system employs a unique vacuum control logic that allows each station to operate without disruption, even when using a single mechanical pump or pump group. This enables simultaneous, independent experiments, meeting diverse adsorbent testing needs while ensuring high efficiency.
High-Precision Micropore Distribution Analysis
Utilizes advanced micropore models, including the Horvath-Kawazoe (HK) and Saito-Foley (SF) methods, to accurately determine pore size distribution. Ensures an aperture deviation of less than 0.02 nm, providing precise characterization of microporous materials in gas
adsorption studies.
Thermal Stabilization
A core rod in the sample tube reduces dead volume and stabilizes the cold free space coefficient, while an iso-thermal jacket maintains a constant thermal profile along the tube.
Additionally, automatic helium correction ensures precise calibration for any powder or particulate material, minimizing temperature- related deviations during analysis.

Customizable Selection of Pressure Transducers
Depending on the model, the AMI-Micro 300 Series offers various quantities and types of pressure transducers. Among them, the Micro 300C, equipped with a 1 torr transducer (selectable 0.1 Torr), enables a partial pressure (P/P₀) of up to 10^-7 – 10^-8 (N₂/77 K) in physical adsorption analysis.
Optimized ManifoldContamination Control
This system features a multi-channel, adjustable, and parallel vacuum design with segmented vacuum control. This setup effectively prevents samples from being drawn up into the analyzer therefore preventing manifold contamination.
Turbo Molecular Pump
A Turbo Molecular pump is included on the Micro 300B and Micro 300C. Achieving ultimate pressures of 10^-8 Pa, this system ensures a solid foundation for precise micropore analysis at ultra-low pressures.
In-situ Degassing Ports
Equipped with three in-situ degassing ports, enabling simultaneous degassing and analysis. Each port offers independent temperature control from ambient to 400°C, ensuring precise sample preparation. In-situ degassing enhances microporous material analysis by providing superior efficiency over ex-situ methods.

SOFTWARE

PAS Software is an intelligent solution for operation control, data acquisition, calculation, analysis, and report generation on the Windows platform. It communicates with the host via the LAN port and can remotely control multiple instruments simultaneously.

PAS Software adopts a unique intake control method, optimizing pressure in the adsorption and desorption processes through a six-stage setting, which improves testing efficiency.
Changes in pressure and temperature inside the manifold can be directly observed in the test interface, providing convenience for sample testing and instrument maintenance. The current state of analyzer can be intuitively understood with the indicator light and event bar.

Each adsorption equilibrium process is dynamically displayed on the test interface. Adsorption characteristics of the sample can be easily understood.
A clear and concise report setting interface, including the following:
Adsorption and desorption isotherms
Single-/Multipoint BET surface area
Langmuir surface area
STSA-surface area
Pore size distribution according to BJH
T-plot
Dubinin-Radushkevich
Horvath-Kawazoe
Saito-Foley

TYPICAL ANALYSIS RESULTS

The specific surface area test results for iron ore powder are shown in the figure below. As a material with an inherently low specific surface area, the repeatability error in the measurements is only 0.0015 m²/g, demonstrating high testing precision.

Analysis of pore size distribution of activated carbon materials by NLDFT.

Analysis of pore size distribution of activated carbon materials by NLDFT.

APPLICATIONS

Applied Field	Typical Materials	Details
Material Research	Ceramic powder, metal powder, nanotube	According to surface area value of nanotube, hydrogen storage capacity can be predicted.
Chemical Engineering	Carbon black, amorphous silica, zinc oxide, titanium dioxide	Introduction of carbon black in rubber matrix can improve mechanical properties of rubber products. Surface area of carbon black is one of the important factors affecting the reinforcement performance of rubber products.
New Energy	Lithium cobalt, lithium manganate	Increasing surface area of electrode can improve Electrochemical reaction rate and promote iron exchange in negative electrode.
Catalytic Technologies	Active alumina oxide, molecular sieve, zeolite	Active surface area and pore structure influence reaction rate.

SPECIFICATIONS

Specific Model		AMI-Micro 300 Series
Specific Model		300A	300B	300C
Analysis Ports		3	3	3
P0 Transducer		3	3	3
Analysis Pressure Transducer		3	5	9
Accuracy PTs	Port 1	1000 torr	1000torr, 10 torr, 1(0.1) torr	1000 torr,10 torr,1(0.1) torr
	Port 2	1000 torr	1000 torr	1000 torr,10 torr,1(0.1) torr
	Port 3	1000 torr	1000 torr	1000 torr,10 torr,1(0.1) torr
Adsorbates		N₂, Ar, Kr, H₂, O₂, CO₂, CO, NH₃, CH₄, etc.
Pump		1 mechanical Pump (ultimate vacuum 10^-2Pa)	1 mechanical Pump(ultimate vacuum10^-2 Pa); 1 turbo Molecular Pump (ultimate vacuum10^-8 Pa);
Cold Trap		1
P/P₀		10^-4-0.998	10^-8-0.998
Surface Area		≥0.0005 m²/g,testrepeatability:RSD≤1.0%
Pore Size		0.35-500 nm, test repeatability: ≤0.02 nm
Pore Volume		≥ 0.0001 cm³/g
Degassing Ports		3in-situ
Volume and Weight		L34.5 in (870 mm) × W 22.5 in (570 mm) × H35.0 in (890 mm),176-198 lbs. (80-90 kg)
Power Requirements		110 or 200-240 VAC,50/60 Hz, maximum power 300 W

Densi 100

Dec 8,2023 Leave a comment Adsorption Separation, Battery and Electronics, Catalysts, Energetic Materials, Metals and Alloy, MOFs, Petroleum, Pharma, Waste Management and Environmental Services

INTRODUCTION

True density is a critical physical property for solid materials—especially powders—affecting everything from product performance to quality control. True density reflects a material’s purity and structural compactness, both of which play a direct role in its end-use properties.
Traditionally, density has been measured using Archimedes' water displacement method. However, this approach suffers from manual error, liquid drainage issues, and poor repeatability. In response, the International Organization for Standardization (ISO) adopted the gas displacement method (ISO 12154) as the official standard for true density measurement in 2014.
The Densi 100 True Density Analyzer quickly and accurately determines the true volume and true density of a wide range of solid materials, including powders, granules, and solid blocks. With a sample chamber volume range of 1 cm³ to 100 cm³, the system accommodates both small and large samples. Each analysis is completed in approximately 3 minutes, delivering reliable results without compromising accuracy.
√ TEST GAS: Helium or Nitrogen
√ Characteristic: Non-Destructive
√ Resolution: 0.0001 g/ml
√ Repeatability: +/- 1%

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Densi-100 Touch Screen

FEATURES

Integrated Testing Module
The Densi 100 combines the sample chamber,expansion chamber,pressuresensor,and control valve into a single,compact unit,ensuring uniform system temperature and enhanced measurement stability.This integrated design delivers exceptional performance,achieving true density accuracy of up to ±0.03% and repeatability better than±0.02%,makingit ideal for both high-precision research and routine quality control applications.
Reference Material
The standard reference material used for calibration is made from nonexpanded alloy and is certified by the National Institute of Metrology, China. This ensures traceability and high confidence in measurement accuracy, with volume precision up to 10^-4 cc.
Multiple Sample Chambers and Inserts
Various chamber and sample cell inserts are available, allowing users to optimize measurement accuracy and accommodate different sample volumes with precision and flexibility.
Density Measurement
The Densi 100 Automatic True Density Analyzer accurately measures the true density of powders within a pressure range of 1 to 1.3 bar.

Unique Design
The Densi 100 is equipped with a built-in processor and Windows-based operating system, enabling fully independent operation without requiring an external computer. Its intelligent self-diagnostic program automatically performs seal integrity verification, reducing operator errors and ensuring consistent, highquality test results.
Pressure Sensor
The Densi 100, equipped with a 2 bar (F.S.) pressure sensor, delivers highly stable and accurate true density measurements. The sensor’s nonlinearity is better than ±0.2%, ensuring precise pressure readings and reliable data capture throughout the testing process.

SOFTWARE

The Densi 100 offers an intuitive, fully automated testing process, completing measurements in approximately three minutes. Users can customize the number of repeat tests, while all test data is automatically recorded, saved in TXT format, and easily exported via USB. The system includes PC compatible software for generating and printing comprehensive standard test reports, ensuring seamless data management and documentation. To enhance versatility, the software features five built-in test modes—Pellets, Powder, Fine Powder, Foam, and Custom—allowing for quick selection based on sample type.

Graphical Testing Data

Tabular Cycle Data

SPECIFICATIONS

Model	Densi 100
Principle	Gas displacement method
Pre-Treatment	Gas purge, Flow
Pressure Accuracy	0-150 kPa (Gauge) 0.03%
Repeatability	0.02%
Cell Volume	Nominal: 100 ml or 10 ml Available inserts : 35 ml, 10 ml, 3.5 ml, 1 ml
Calibration Method	Automatic calibration
Gases	Helium or Nitrogen
Testing Range	0.0001 g/cm³ to the infinity
Dimensions and Weight	L 15.0 in (380 mm) x W 11.0 in (280 mm) x H 11.0 in (280 mm) 22 lbs. (10kg)
Power Requirement	110 or 240 VAC, 50/60 Hz

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Prep 4M-VACUUM DEGASSER

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