Nafion™ Chemical Retention / Losses and Selectivity

Below is a list of common chemicals that we have performance and selectivity information for. This information has been collected from our customers and represents our collective experience drying gas streams with Nafion™ based dryers. We welcome additions and corrections to the list. Contact Us with your experience.

Analyte Retention within Nafion
Ammonia Variable losses in the form of ammonium hydroxide
Ammonium Hydroxide Over 90% loss
Acetaldehyde Variable loss
Acetic Acid Over 90% loss due to acid catalysis
Acetone (Dimethyl ketone) Over 90% loss
Acetonitrile (Methyl Cyanide) 75% loss
Acrolein (vinyl aldehyde) Variable losses
Anisole 100% Retained in the Sample
Benzaldehyde 75% loss
Benzene 100% Retained in the Sample
Benzonitrile (Phenyl Cyanide) 50% loss
Boron Trifluoride 100% Retained in the Sample
Bromoform 100% Retained in the Sample
Carbon Dioxide 100% Retained in the Sample
Carbon Disulfide 100% Retained in the Sample
Carbon Monoxide 100% Retained in the Sample
Chlorine 100% Retained in the Sample
Chloroethane 100% Retained in the Sample
Chloroform 100% Retained in the Sample
Crotonaldehyde Over 90% loss
Cumene 100% Retained in the Sample
Diacetyl Over 90% loss
Diethyl carbitol Variable losses
Dimethylacetamide Over 90% loss
Dioxane OVer 90% loss
Dimethylformamide (DMF) Over 90% loss
DMS 100% Retained in the Sample
DMSO Over 90% loss
Ethane 100% Retained in the Sample
Ethanol Over 90% loss
Ethyl acetate 15% loss
Ethyl amyl ketone 20% loss
Ethylbenzene 100% Retained in the Sample
Ethyl ether Over 90% loss
Ethylene 100% Retained in the Sample
Ethylene oxide 50% loss
Fluorine 100% Retained in the Sample
Fluorobenzene 100% Retained in the Sample
Formaldehyde Variable loss
Formic acid Variable loss
Helium 100% Retained in the Sample
Heptane 100% Retained in the Sample
Hexane 100% Retained in the Sample
Hydrogen 100% Retained in the Sample
Hydrogen Chloride 100% Retained in the Sample, high purge flow required
Hydrogen Cyanide 100% Retained in the Sample
Hydrogen Fluoride 100% Retained in the Sample
Hydrogen Sulfide 100% Retained in the Sample
Isopropyl Benzene 100% Retained in the Sample
Isobutyl acetate Over 90% loss
Isovaleric acid Variable losses
MEK Over 90% loss
Mesitylene 100% Retained in the Sample
Methane Retained
Methanol Over 90% loss
Methyl Acetate 100% Retained in the Sample
Methyl Bromide 100% Retained in the Sample
Methyl Chloride 100% Retained in the Sample
Methyl isobutyl ketone (MIBK) Over 90% loss
Methyl Methacrylate 100% Retained in the Sample
Methyl Nitrate Variable losses
Methyl Sulfide 100% Retained in the Sample
Nitrobenzene 30% loss
Nitrogen 100% Retained in the Sample
Nitrogen dioxide 100% Retained in the Sample
Octane 100% Retained in the Sample
Oxygen 100% Retained in the Sample
Ozone 100% Retained in the Sample
Propane 100% Retained in the Sample
Phosgene 100% Retained in the Sample
Propionic acid Variable losses
Propylene 100% Retained in the Sample
Propylene oxide 25% loss
Pyridine 100% Retained in the Sample
Sulfur Dioxide 100% Retained in the Sample
Tetrahydrofuran Over 90% loss
Thiosinamine Over 90% loss
Toulene 100% Retained in the Sample
Trichloroethene (TCE) 100% Retained in the Sample
Water Over 90% loss
Xylene 100% Retained in the Sample

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