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ISO 3909:1976

Hardmetals — Determination of cobalt — Potentiometric method

Oct 1, 1976

General information

90.93     Sep 22, 2022

ISO

ISO/TC 119/SC 4

International Standard

77.160  

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Published

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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

NOW

PUBLISHED
ISO 3909:1976
90.93 Standard confirmed
Sep 22, 2022

National adoptions

SRPS C.A1.532:1992  
ISS

Hardmetals — Determination of cobalt — Potentiometric method

95.99   Withdrawal of Standard

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