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EN 23909:1993

Hardmetals - Determination of cobalt - Potentiometric method (ISO 3909:1976) EN 23909:1993

Publication date:   Sep 1, 2000

General information

90.93 Standard confirmed   Oct 13, 1999

CEN

CEN/BT

European Norm

77.160   Powder metallurgy

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Scope

The method is applicable to carbides and binder metal powder mixtures, free of lubricant, all grades of presintered or sintered hardmetals, having a cobalt content exceeding 1 % (m/m). Gives principle, interfering elements, reagents, apparatus, sampling, procedure, expression of results and test report.

Life cycle

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PUBLISHED
EN 23909:1993
90.93 Standard confirmed
Oct 13, 1999

Relations

Adopted from ISO 3909:1976 IDENTICAL