IGA-100: For the analysis of sorption on carbons, catalysts, zeolites and polymers

The IGA series from Hiden Isochema are advanced analyzers for sorption science. IGA instruments are based on the gravimetric method and provide precise measurements of the dynamics and magnitude of gas and vapor sorption on materials.

The IGA-100 is designed to handle gravimetric mixed gas sorption, as well as single component vapor sorption analysis. The features of the IGA-002 and IGA-003 are powerfully combined in this product. The multiple inlet mass flow controller unit facilitates mixed gas experiments in both flow control and pressure control modes.

The IGA integrates accurate computer-control and measurement of mass change, temperature and pressure to enable 100% automatic and reproducible determination of gas and vapor sorption-desorption isotherms and isobars in varied operating conditions.

Anti-condensation protection to 50ºC is incorporated in the IGA-100, thereby enabling operation with water and a wide range of hydrocarbon vapors. Several sample environment options are provided to allow operation at temperatures from -196 to 1000°C and at pressures ranging from ultra-high vacuum to 20 bar. Using the close-coupled mass spectrometer option, product desorption and basic TGA-MS experiments can be performed.

The flexible IGA-100 has been broadly used for the analysis of sorption on carbons, catalysts, zeolites and polymers.

Typical sorptives:

The basic sorptives are listed below:

Water

Simple gases (e.g. hydrogen, oxygen, carbon oxides, nitrogen, argon, methane)

Alcohols (e.g. butanol, ethanol, isopropyl alcohol, methanol, propanol)

Chlorinated compounds (e.g. cyclohexane, chlorobenzene, chloroform, chloroanisole, chlorotoluene)

Aromatics (e.g. styrene, benzene, toluene, xylene)

Hydrocarbons (e.g. butane, hexane, octane, ethene)

Key Features

The following are the main features of the IGA-100 gravimetric analyzer:

Integrated gravimetric single component vapor and mixed gas sorption analyser, with ultra-sensitive microbalance

Automated decontamination unit for rapid species change

Autonomous pressure control and flow control operation for variable gas composition at a range of pressures, up to 20 bar

Integrated anti-condensation protection allowing measurements from 0 to 0.99 P/P₀ at temperatures of up to 50°C

Interchangeable liquid reservoir with integrated vapor delivery system

Regulated vapor pressure as low as 10^-3 mbar

Balance purge option for corrosive gas operation

Multiple inlet mass flow controller unit for mixed gas operation

100% integrated close-coupled quadrupole mass spectrometry option for evolved gas analysis (EGA)

Applications

The key IGA-100 gravimetric analyzer application areas are:

Moisture sorption

Catalyst characterization

Organic vapor sorption

Mixed gas sorption

Thermogravimetric analysis (TGA)

Pore size distribution determination

Temperature-programmed desorption (TPD)

Vapor diffusion coefficient determination

Thermal decomposition

Evolved gas analysis (EGA)

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