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  Membranes

Chemical Compatibility of Membranes

MCE: Mixed Cellulose Ester (Nitrocellulose)
CA: Cellulose Acetate
PCTE:  Polycarbonate
PTFE:  Polytetrafluoroethylene
CMF:  Coated Cellulose Acetate
  l : Recommended
u : Limited resistance
X : Not recommended
-- : No data available
     

Polymer/Product

Chemical

MCE

CA

PCTE

PTFE

Supported
PTFE

Hydrophilic
PTFE

CMF

37 mm
Monitor

ACID Glacial acetic acid

X

X

X

l

l

l

X

X

10% acetic acid

l

l

l

l

l

l

l

u

12kmol/mHydrochloric acid (37%, 12N)

X

X

l

l

l

l

X

X

6kmol/mHydrochloric acid (19%, 6N)

u

X

l

l

l

l

X

u

12kmol/mNitric acid (53%, 12N)

X

X

l

l

l

u

X

X

6kmol/mNitric acid (26%, 6N)

u

l

l

l

l

l

X

X

18kmol/mSulfuric acid (96%, 36N)

X

X

X

l

l

X

X

X

3kmol/mSulfuric acid (16%, 6N)

u

X

l

l

l

l

X

u

85% Phosphoric acid

l

X

X

l

l

l

X

u

5% Boric acid

l

l

l

l

l

l

l

l

50% Formic acid

u

u

l

l

l

l

u

--

35% Hydrofluoric acid

X

X

l

l

l

l

X

X

60% Perchloric acid

l

X

X

l

l

l

X

--

ALKALI 6kmol/mSodium hydroxide (26%, 6N)

X

X

X

l

l

l

X

X

6kmol/mPotassium hydroxide (20%, 6N)

X

X

X

l

l

l

X

X

6kmol/mAqueous ammonia (11%, 6N)

X

X

X

l

l

l

X

X

 

 

 

ALCOHOL

Methyl alcohol

X

l

l

l

l

l

l

X

Ethyl alcohol

X

l

l

l

l

l

l

X

Isopropyl alcohol

u

l

l

l

l

l

l

X

Isobutyl alcohol

u

l

l

l

l

l

l

X

Butyl alcohol

l

l

l

l

l

l

l

X

Glycerine

l

l

l

l

l

l

l

l

Amyl alcohol

u

l

l

l

l

l

l

u

Benzyl alcohol

u

X

X

l

l

l

X

u

Ethylene glycol

X

l

l

l

l

l

l

u

 

ETHER

Ethyl ether

u

l

l

l

u

l

l

u

Isopropyl ether

l

l

l

l

l

l

l

X

Tetrahydrofuran

X

X

X

l

X

l

X

X

Dioxane

X

X

X

l

l

l

X

X

Petroleum ether

l

l

l

l

l

l

l

--

ESTER Methyl acetate

X

X

X

l

l

l

X

X

Butyl acetate

X

X

l

l

l

l

X

X

Amyl acetate

X

u

l

l

l

l

u

X

KETONE Acetone

X

X

X

l

l

l

X

X

Methylethyl ketone

X

X

X

l

l

l

X

X

Methyl isobutyl ketone

X

X

X

l

l

l

X

X

Cyclohexanone

X

X

X

l

l

l

X

X

 

Product/Polymer

Chemical

MCE

CA

PCTE

PTFE

Supported
PTFE

Hydrophilic
PTFE

COATED

37 mm
Monitor

 

HYDROCARBON

Benzene

l

l

X

l

l

l

l

X

Toluene

l

l

X

l

l

l

l

X

Xylene

l

l

l

l

l

l

l

X

Hexane

l

l

l

l

l

l

l

X

Gasoline

l

l

l

l

u

l

l

u

Kerosene

l

l

l

l

l

l

l

l

HALOGENATED

HYDROCARBON

Chloroform

l

X

X

l

u

l

X

X

Methyl chloride

X

X

X

l

u

l

X

X

Trichloroethylene

l

l

X

l

l

l

l

X

Tetrachloride ethylene

l

l

l

l

l

l

l

X

Carbon tetrachloride

l

l

X

l

u

l

l

X

 

AMINE

Aniline

X

X

X

l

l

l

X

X

Dimethyl formamide

X

X

X

l

u

l

X

X

Diethyl acetamide

X

X

X

l

l

l

X

X

Triethanolamine

X

l

X

l

l

l

l

X

 

CELLOSOLVE

Methyl cellosolve

X

X

X

l

l

l

X

X

Butyl cellosolve

X

l

X

l

l

l

l

X

GAS

Nitrogen

l

l

l

l

l

l

l

X

Hydrogen

l

l

l

l

l

l

l

l

Oxygen

l

l

l

l

l

l

l

l

 

 

 

 

 

 

 

 

MISCELLANEOUS

30% Hydrogen peroxide

X

l

l

l

l

l

l

X

Saline solution

l

l

l

l

l

l

l

l

Dimethylsulfoxide

X

X

X

l

l

l

X

X

Nitrobenzene

X

X

X

l

l

l

X

X

Methanol (1) : Chloroform (1)

u

X

X

l

l

l

X

X

Pyridine

X

X

X

l

l

l

X

X

Nitric acid

X

X

X

l

l

l

X

X

Phenol

l

X

X

l

l

l

X

X

Freon

l

l

l

l

l

l

l

l

37% Formaldehyde

u

u

l

l

l

l

u

X

Silicone oil

l

X

l

l

l

l

X

--

n-hexane (95) : Ethyl acetate (5)

X

l

l

l

l

l

l

X

Nitric acid (70) : Distilled water (30)

X

X

X

l

l

l

X

X

Petroleum oil

l

l

l

l

l

l

l

u

l : Recommended
u : Limited resistance
X : Not recommended
-- : No data available

Chemical Compatibility

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