Vapor Series

● Simultaneously perform vapor adsorption, specific surface area.
● Analyze up to 2 samples at once (1 vapor, 1 micropore).
● Configurable with 1 or 2 analysis stations to meet varying lab needs.

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Product Overview

Introduction

The AMI Vapor Series instruments are precision volumetric analyzers designed for advanced vapor and gas sorption characterization. These systems are ideal for analyzing adsorption isotherms, surface area, pore size distributions, and gas selectivity, using noncorrosive and safe adsorbates under controlled conditions.

Typical adsorbates include water vapor, benzene, carbon monoxide, ammonia, and other non-corrosive gases and vapors at room temperature.

Features

Applications

Specifications

Features

KEY FUNCTIONS

Vapor Adsorption Isotherms: Evaluate adsorption behavior over a range of relative pressures for various vapor species.

Gas Selectivity & Capacity: Determine selective adsorption characteristics and quantify sorption capacity.

Surface Area & Pore Size Distribution: Low-temperature nitrogen adsorption method for BET and BJH analysis.

Automated Vapor Generation and Delivery

Fully Automated Vapor Source Module:
Eliminates manual handling. Ensures high-purity vapor via software-controlled delivery.
Vapor Source Thermostatic Control:
Integrated water bath under software control for consistent vapor temperature and stability.

Advanced Analysis Capabilities

Fully Automated Vapor Source Module:
High-precision pressure transducers (10, 100, 1000 torr) for accurate measurements across a wide pressure range
High-vacuum corrosion-resistant solenoid valves.
Comprehensive software automation for sorption analysis and reporting.

Precision Vacuum Control

Ultra-High Vacuum System:
Includes a turbo molecular pump to achieve pressures down to 10-7–10-8 Pa, optimizing desorption and system cleanliness.
Cold Trap System (Dual Stage):
Standard dual cold traps minimize vapor back streaming and protect the vacuum pump, extending system longevity.

Thermal Stability and Sample Conditioning

Thermostated Analysis System: Built with corrosion-resistant materials
heated pathways to avoid condensation. Temperature range: ambient to 50°C.
Sample Temperature Control Options:
Dewar Flask: 77 K (liquid nitrogen)
Water Bath (Optional): -10°C to 95°C
CryoTune Cold Bath (Optional):
Adjustable ranges
82–135 K
120–170 K
180–323 K

1 – Cold Trap
2 – Pre-Treatment Station
3 – P0 Tube
4 – Analysis Port
5 – Dewar
6 – Vapor Source
7 – Heating Socket

Applications

The AMI Vapor Series is designed for precise characterization of porous materials such as MOFs, COFs, zeolites, and activated carbons. It supports studies in gas storage, separation, catalysis, and environmental remediation by enabling accurate measurement of vapor and gas adsorption behavior. The system is ideal for evaluating sorbent performance, selectivity, and capacity under controlled temperature and humidity conditions.

At 25°C, Adsorption Performance of MOFs for Water and Several Structurally Similar Organic Vapors.
Adsorption/Desorption Curves of MOF Material for Nitrogen at 77K and Adsorption Curve for Water Vapor at 25°C.
At 25°C, Adsorption Curves of MOFs, COFs, Molecular Sieves, and CaCO3 for Water Vapor.
At 25°C, Adsorption Curves of MOFs for Three Isomers of Xylene (Ortho-xylene, Meta-xylene, Para-xylene).

Specifications

Specific ModelVapor 100BVapor 200BVapor 200C
Analysis Ports1 Vapor Sorption Port1 Vapor Sorption Port; 1 Gas Sorption Port1 Vapor Sorption Port; 1 Gas Sorption Port
P0 Transducer111
Analysis Pressure Transducer346
Vapor Sorption Port1000 torr, 100 torr, 10 torr1000 torr, 100 torr, 10 torr1000 torr, 100 torr, 10 torr
Gas Sorption PortN/A1000 torr1000 torr, 10 torr, 1(0.1) torr
Pump1 mechanical pump (ultimate vacuum 10-2 Pa)
(1 extra mechanical pump for degassing ports is optional)		1 mechanical pump (ultimate vacuum 10-2 Pa); 1 Turbo molecular pump (ultimate vacuum 10-8 Pa)1 mechanical pump (ultimate vacuum 10-2 Pa); 1 Turbo molecular pump (ultimate vacuum 10-8 Pa)
P/P010-4 – 0.99810-8 – 0.99810-8 – 0.998
Surface Area≥ 0.0005 m²/g, test repeatability: RSD ≤ 1.0%
Pore Size0.35–500 nm, test repeatability: ≤ 0.2 nm0.35–500 nm, test repeatability: ≤ 0.02 nm0.35–500 nm, test repeatability: ≤ 0.02 nm
Pore Volume≥ 0.0001 cm³/g
Degassing Ports1 in-situ; 1 ex-situ2 in-situ2 in-situ
AdsorbatesGas: N₂, CO₂, Ar, Kr, H₂, O₂, CO, CH₄, etc.
Vapor: H₂O, Benzene, Olefins, etc.
Cold Trap2
Volume and WeightL 35.5 in (900 mm) × W 22.5 in (570 mm) × H 36.5 in (920 mm), 210 lbs (95 kg)
Power Requirements110 V or 200–240 VAC, 50/60 Hz, maximum power 300 W

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