Objavljen
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.
OBJAVLJEN
ISO 3909:1976
90.93
Odluka o potvrđivanju standarda
22. 9. 2022.
Tvrdi metali - Određivanje sadržaja kobalta - Potenciometrijska metoda
95.99 Povučen