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