Chemical Resistance of Membranes

Chemical compatibilities can be influenced by various factors. Therefore, we recommend that you confirm compatibility with the liquid you want to filter by performing a trial filtration run before you start your actual filtration.

Please see attached our comprehensive list of liquids and solvents (please click):

- Sterilization

Membrane AC NC MCE CR NY PTFE GF
Ethylene oxide ++ ++ ++ ++ ++ ++ ++
Gamma irradiation ++ ++ ++ ++ - - ++
Autoclaving 121 ºC, 30 min ++ ++ ++ ++ ++ ++ ++

- Solvents

Membrane AC NC MCE CR NY PTFE GF
Acetone - - - ++ ++ ++ ++
Acetonitrile - n.a n.a ++ n.a. ++ ++
Gasoline + ++ ++ ++ ++ ++ ++
Benzene + ++ ++ ++ ++ ++ ++
Benzyl alcohol - + + ++ ++ ++ ++
N-Butyl acetate - - - ++ ++ ++ ++
n-Butanol + ++ ++ ++ ++ ++ ++
Cellosolve - - - ++ ++ ++ ++
Chloroform - ++ ++ ++ ++ ++ ++
Cyclohexane + + + ++ ++ ++ ++
Cyclohexanone + - - ++ ++ ++ ++
Diethylacetamide - - - ++ ++ ++ ++
Diethyl ether + - - ++ ++ ++ ++
Dimethyl formamide - - - + + ++ ++
Dimethylsulfoxide - - - ++ ++ ++ ++
Dioxane - - - ++ ++ ++ ++
Ethanol, 98 % + - - ++ ++ ++ ++
Ethyl acetate - - - ++ ++ ++ ++
Ethylene glycol + + + ++ ++ ++ ++
Formamide - - - + ++ ++ ++
Glycerin + ++ ++ ++ ++ ++ ++
n-Heptane + ++ ++ ++ ++ ++ ++
n-Hexane + ++ ++ ++ ++ ++ ++
Isobutanol + + + ++ ++ ++ ++
Isopropanol + + + ++ ++ ++ ++
Isopropyl acetate - - - ++ ++ ++ ++
Methanol, 98 % - - - ++ ++ ++ ++
Methyl acetate - - - ++ ++ ++ ++
Methylene chloride - + n.a. ++ ++ ++ ++
Methyl ethyl ketone - - n.a. ++ ++ ++ ++
Methyl isobutyl ketone - - n.a. ++ ++ ++ ++
Monochlorobenzene - ++ n.a. ++ ++ ++ ++
Nitrobenzene - + n.a. ++ + ++ ++
n-Pentane + ++ ++ ++ ++ ++ ++
Perchloroethylene - ++ ++ ++ ++ ++ ++
Pyridine - - - ++ ++ ++ ++
Carbon tetrachloride - ++ ++ ++ ++ ++ ++
Tetrahydrofuran - - - ++ ++ ++ ++
Toluene + ++ ++ ++ ++ ++ ++
Trichloroethane - ++ ++ ++ ++ ++ ++
Trichloroethylene + ++ ++ ++ ++ ++ ++
Xylene + ++ ++ ++ ++ ++ ++

- Acids

Membrane AC NC MCE CR NY PTFE GF
Acetic acid, 25% + + + ++ - ++ ++
Acetic acid, 80% - - - ++ - ++ ++
Hydrofluoric acid, 25 % - + - + - ++ ++
Hydrofluoric acid, 50 % - + - + - ++ ++
Perchloric acid, 25 % - + + - - ++ ++
Phosphoric acid, 25% + + + - - ++ ++
Phosphoric acid, 86% + + + - - ++ ++
Nitric acid, 30 % - + + - - ++ ++
Nitric acid, 65 % - - - - - ++ ++
Hydrochloric acid, 15 % + + + - - ++ ++
Hydrochloric acid, 20 % - - - - - ++ ++
Sulfuric acid, 25 % - - + + - ++ ++
Sulfuric acid, 98 % - - - - - ++ ++
Trichloroacetic acid, 25 % - + + ++ - ++ ++

- Bases

Membrane AC NC MCE CR NY PTFE GF
Ammonia, 1 N - ++ ++ + ++ ++ ++
Ammonium hydroxide, 25 % + - + + ++ ++ +
Potassium hydroxide, 25 % - - - - + ++ +
Sodium hydroxide, 32 % - - - - + ++ +
Sodium hydroxide, 1N - - - + ++ ++ +

- Aqueous Solutions

Membrane AC NC MCE CR NY PTFE GF
Folmalin, 30 % ++ ++ ++ + ++ ++ ++
Sodium hypochlorite, 5% - + - - - ++ ++
Hydrogen peroxide, 35 % - ++ - - - ++ ++

- ph Range

Membrane AC NC MCE CR NY PTFE GF
pH 1-14 - n.a. n.a. - - ++ ++
pH 1-13 - n.a. n.a. - - ++ ++
pH 3-14 - n.a. n.a. + ++ ++ ++
pH 3-12 - n.a. n.a. ++ ++ ++ ++
pH 4-8 ++ ++ ++ ++ ++ ++ ++

Legend:

++   compatible

+     limited compatible

-      not compatible

n.a.  not analyzed

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