HPR-40 DEMS Membrane Inlet Mass Spectrometer System
Description
Differential Electrochemical Mass Spectrometry (DEMS) is an analytical technique that combines electrochemical half-cell experimentation with mass spectrometry. It allows in situ mass resolved determination of gaseous or volatile electrochemical reactants, reaction intermediates and products in real time. Hiden Analytical offer a range of DEMS cells with electrolyte/nanoporous sampling interface to the Hiden HPR-40 DSA Mass Spectrometer. For applications where online electrochemical MS, OEMS, from an existing cell or reactor is required, a range of standard inlet options is available offering both evolved off-gas and dissolved species analysis solutions. Electrochemical cells that can be interfaced to the Hiden HPR-40 DEMS system include selected models from: Redoxme AB, and EL-Cell®
HPR-40 DEMS Membrane Inlet Mass Spectrometer System
Specifications |
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|---|---|
| Type Of Compound: | Nitrogen, CO2 (Carbon Dioxide), CO (Carbon Monoxide) |
| Detection Technology: | Spectrophotometry |
| Minimum Detectivity: | 60 ppt (parts per trillion) |
Features
Analysis of dissolved species with mass range 200 amu (300 amu option)
Vitreous Carbon – User coatable working electrode
Replaceable nanoporous membrane
4 Ports for additional electrodes
Interface to the Hiden HPR-40 DSA mass spectrometer
Applications
DEMS
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United Kingdom
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Frequently Asked Questions
The HPR-40 DEMS Membrane Inlet Mass Spectrometer System is used for in situ mass resolved determination of gaseous or volatile electrochemical reactants, reaction intermediates, and products in real time.
The HPR-40 DEMS system features a replaceable nanoporous membrane, 4 ports for additional electrodes, and an interface to the Hiden HPR-40 DSA mass spectrometer.
The HPR-40 DEMS system can be used for applications such as soil core analysis, fermentation process analysis, water analysis, groundwater studies, methane production control, microbiological/enzyme activity studies, and environmental monitoring.
The HPR-40 DEMS system has a mass range of 200 amu (with a 300 amu option).
The typical enrichment factors for dissolved species using the HPR-40 DEMS system are: CO2 - 12.0, CH4 - 3.2, C3H8 - 13.6, CH3OH - 46.4, SO2 - 50.0, C3H6O - 19.6, C6H5CH3 - 30.4.