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Instrument Database:
Elemental Scientific Inc. (ESI) - ACM membrane desolvation unit
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| Year of introduction |
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| Status |
available |
| Company |
Elemental Scientific Inc. (ESI)
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| Categories |
Sample introduction: Desolvation
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A Peltier cooled Nafion® micro-porous membrane for removing residual solvent vapor in the sample aerosol stream from an Apex sample inlet system. Cooling the membrane improves desolvation efficiency and long term stability. - Nafion membrane removes water and small polar organic compounds
- Reduces solvent derived oxide and hydride polyatomic interferences.
- Chemical resistance similar to Teflon®
- Temperature stabilized at 4°C, enhances long term stability
- Can be used to analyze volatile analytes such B, Hg etc.
- Suitable for sample flow rates < 400µL/min through Apex.
- Sweep gas does not permeate through membrane, use N2 or Ar as sweep gas.
- Fast rinse out.
- Simple to operate, compared to macro-porous membrane.
- Resistant to clogging by organic compounds and salts.
- Easy to maintain and clean. Membrane is located with-in a cartridge.
- CeO+:Ce+ ratio approximately 0.05%
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