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541265 Sigma-Aldrich

Nafion® perfluorinated membrane

Nafion® 112, thickness 0.002 in.

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Properties

form   solid
eq. wt.   1,100
mfr. no.   Nafion® 112
L × W   12 in. × 12 in.
thickness   0.002 in.
solubility   H2O: insoluble

Description

Application

Nafion® is a perfluorinated ion-exchange membrane which has a wide variety of commercial uses. The acidic (hydrogen ion) form and derivatives are solid, superacid catalysts useful in a wide variety of synthetic applications.

Widely used for Proton Exchange Membrane (PEM) fuel cells. Performs as a separator and solid electrolyte in electrochemical cells selectively transports protons across the cell junction.

Packaging

Darkening/browning is common for pieces stored in a general room environment for an extended period of time (several months), due to organics pick-up. Verify product is kept sealed during storage.
· Keep pieces sealed and protected from general exposure will reduce the effect. Recommend long term storage in air-tight bags.
· Discoloration does not affect performance and can be removed by soaking in dilute nitric acid.

Legal Information

Nafion is a registered trademark of The Chemours Company FC, LLC

Safety & Documentation

Safety Information

WGK Germany 
3

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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Product #

Description

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676470 Nafion® perfluorinated membrane, Nafion® NRE-212, thickness 0.002 in.

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