XEMIS-002

Pure Gas & Vapor Sorption Analyzer

High resolution gas and vapor sorption analyzer

Active pressure regulation over 7 orders of magnitude
High accuracy low pressure vapor sorption
Optimized performance for sample sizes from 1 mg to 5 g

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Key features

Unique Exosensing technology for operation with aggressive species
Compatible with flammable, corrosive and toxic gases and vapors
Measurements at temperatures from 77 K to 500 °C
Fast and accurate analysis of equilibria and kinetics using the IGA method

Applications

VOC filtration
Diffusion coefficient determination
Toxic gas storage and separation

Measurement types

Moisture and organic vapor sorption
Kinetic cycling studies
Isothermal and isobaric analysis
Thermodynamic and kinetic studies

introduction

The XEMIS series are high accuracy gravimetric sorption analyzers operating to 200 bar. Changes in sample mass are measured as a function of applied temperature and pressure to determine isotherms, isobars and sorption kinetics. Designed for operation with a full range of gas and vapor species including corrosives and flammables, the XEMIS series features active pressure regulation from 10^-2 mbar, a controllable pressure range covering 7 orders of magnitude.

The XEMIS series offers reproducible, high resolution, high accuracy measurements even with small sample sizes or small uptakes, and performance unrivalled in a high pressure sorption analyzer.

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Specifications

Weight

Balance capacity5 g
Weighing range100 mg / 200 mg
Resolution0.1 µg / 0.2 µg
Stability± 1 µg short term ()± 5 µg long term

Pressure

Design pressure170 bar (standard), or 200 bar (optional)
Accuracy± 0.04 % of range
Transducer ranges (up to 4) 1, 10, 20, 50, 200 bar
2, 10, 100 mbar
Base vacuum at sample< 10⁻⁶ mbar
Setpoint regulation accuracy± 0.02 % of range
Programmable gas inletsup to 4

Temperature

Measurement range77 – 773 K
Temperature sensorsPlatinum Resistance Thermometer (Pt100)
Measurement accuracy± 0.01 K
Setpoint regulation accuracy
Recirculating waterbath± 0.05 K
Furnace options± 0.1 K
Linear ramp TGA option0.05 – 20 K/min programmable
Cabinet (balance) temeprature stability± 0.1 K
Anti-condensation protection40 ⁰C

System Construction

Wetted componentsAll metal
Pressure vesselStainless steel (316L grade)
Pressure sealsCajon VCR stainless steel
Pressure transducer diaphragmsHastelloy C276 / Inconel 600
Overpressure bursting discLaser welded stainless steel
Corrosive species compatibilityIncluded
Vapor species compatibilityIncluded

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Resources
Explore our collection of application notes and technical resources that showcase how our instruments are used in real-world research.
View resources
get in touch
Speak with our Sorption analysis experts. Get tailored guidance on instrumentation, applications, and analytical solutions.
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XEMIS-002

Pure Gas & Vapor Sorption Analyzer

Key features

Applications

Measurement types

introduction

Specifications

Weight

Pressure

Temperature

System Construction

Related instruments

XEMIS-001

XEMIS-003

XEMIS-100

Resources

Explore our collection of application notes and technical resources that showcase how our instruments are used in real-world research.

get in touch

Speak with our Sorption analysis experts. Get tailored guidance on instrumentation, applications, and analytical solutions.