Gas Adsorption

Explore AMI BET surface area analyzers, gas sorption analyzers, pore size analyzers, and physisorption systems for accurate surface area, porosity, micropore, and mesopore characterization. Compare flexible instruments for research, quality control, and advanced material analysis.

For a detailed overview of BET measurement methods and instrument selection, explore our BET surface area analyzer systems.

Nexus Series

Integrated XRD–Sorption Analysis Platform

● Simultaneously collects XRD and gas/vapor sorption data.

● High-power X-ray source (600–1600 W) with ±0.01° angular accuracy and a direct photon-counting 2D array detector for high-resolution diffraction data.

● Fully automated intelligent workflow — one-click operation from start to finish with unattended execution.

● Four model configurations (Nexus G Core, Nexus G Cryo, Nexus GV Core, Nexus GV Cryo) covering gas and gas/vapor adsorption from cryogenic to 623 K.

Matrix 1000 Series

Modular Multi-Station Surface Area & Pore Analysis System

● Configure mesopore, micropore, or mixed-mode stations in a single unit to match experimental needs

● Surface area can be measured down to 0.05 m²/g (mesopore) and 0.0005 m²/g (micropore), Pore size ranges from 0.35 to 500 nm

● Run simultaneous, independent analyses without cross-interference

● Expand modularly to a total of up to 3 connected units (12 stations) for maximum throughput and flexibility

● Harsh Chemistry Option: Equipped with a passivation coating and seals upgraded to FFKM for aggressive or corrosive chemistries.

● Built-in, high-temperature degassing furnace with programmable ramp/soak control and real-time pressure feedback

AMI Sync Series

Synchronous, High-Throughput BET & Mesoporous Analysis

● Synchronous multi-port design enables simultaneous BET and porosity measurements across 1, 2, 4, 8, or 12 analysis stations.

● Perform 4 BET measurements in approximately 20-30 minutes under fully optimized conditions.

● BET repeatability of ≤ +1.0% ensures high accuracy and reproducibility.

● Flexible configuration with optional degassers, multi-channel gas inlets, and thermostatic water baths for full system integration.

BTSorb 100 Series

Breakthrough Curve and Mass Transfer Analyzer

● Performs breakthrough curve testing and multi-component competitive adsorption.

● Optional analysis of mass transfer performance, including diffusion coefficients via chromatography and ZLC methods.

● Supports PSA, TSA, and liquid-phase sorption experiments.

● Stable, constant-temperature system for reproducible results.

● Operates up to 100 bar for high-pressure gas separations.

● Optional configurations include vapor handling, integrated mass spectrometry, and sulfur-resistant corrosion protection.

Vapor Series

Volumetric Vapor Adsorption Analyzer

● Simultaneously perform vapor adsorption, specific surface area, and pore size distribution measurements.

● Independent high-vacuum analysis pathways for vapor, BET surface area, and micropore characterization.

● Analyze up to 2 samples at once (1 vapor, 1 micropore) with fully independent stations.

● Configurable with 1 or 2 analysis stations to meet varying lab needs.

● Includes cold trap, integrated constant-temperature valve box, and illuminated valve status indicators.

RuboSORP MPA Series

Automated High-Pressure Gas Sorption Analysis – Precise, Flexible, Scalable

● Fully automated system for characterizing gas sorption under high-pressure conditions.

● Wide pressure range: vacuum to 200 bar.

● Broad temperature control: –196°C (optional LN₂ cooling) to 500°C; custom configurations available.

● Configurable with 1, 2, or 3 independent analysis stations.

● Optional BET surface area analysis capability for added versatility.

● Up to 2 additional volume-configurable chambers for optimized kinetic measurements.

● Supports multiple test modes: PCT (Pressure–Composition–Temperature), dynamic adsorption, and both PCT/dynamic cycling tests.

Micro 100

High-Resolution Micropore Characterization

● Available in multiple models to support diverse lab-throughput needs.

● 2 analysis stations with high-vacuum pump and up to 3 pressure sensors per station.

● Capable of measuring adsorption isotherms down to P/P₀ = 10⁻⁸ for high-resolution micropore characterization.

● Simultaneous testing with different adsorbate gases across all active stations.

● Integrated design supports up to 2 degassing ports, 2 in-situ, and 1 cold trap within a single cabinet.

● BET repeatability of ≤ ±1.0% ensures consistent, high-precision results.

Micro 200

High-Resolution Micropore Characterization

● Available in multiple models to support diverse lab-throughput needs.

● 2 analysis stations with high-vacuum pump and up to 3 pressure sensors per station.

● Capable of measuring adsorption isotherms down to P/P₀ = 10⁻⁸ for high-resolution micropore characterization.

● Simultaneous testing with different adsorbate gases across all active stations.

● Integrated design supports up to 2 degassing ports, 2 in-situ, and 1 cold trap within a single cabinet.

● Each analysis port includes a dedicated gas inlet (excluding Micro 100 model).

● BET repeatability of ≤ ±1.0% ensures consistent, high-precision results.

Micro 300

BET Surface Area & High-Resolution Micropore Analysis

● Available in multiple models to support diverse lab-throughput needs.

● 3 analysis stations with high-vacuum pump and up to 3 pressure sensors per station.

● Capable of measuring adsorption isotherms down to P/P₀ = 10⁻⁸ for high-resolution micropore characterization.

● Simultaneous testing with different adsorbate gases across all active stations.

● Equipped with 3 in-situ degassing ports and 1 cold trap.

● Each analysis port includes a dedicated gas inlet (excluding Micro 100 model).

● BET repeatability of ≤ ±1.0% ensures consistent, high-precision results.

Surface DX Series BET Surface Area Analyzer

Cost-Effective Surface Area Analysis for Fast, Reliable Quality Control

● Supports Dynamic Flow BET in three modes: patented dynamic reference method, single-point BET, and multi-point BET.

● When fully optimized, up to 8 samples can be analyzed per hour across 4 stations.

● High-sensitivity thermal conductivity detector with auto-zero for stable, accurate results.

● Automatic Dewar elevator and valve status indicator lights streamline operation.

● Compact, user-friendly design ideal for routine QC environments.

● Widely adopted in carbon materials, battery components, ceramics, metal powders, and other industrial applications.