Objavljen
ISO 4939:2016 specifies a spectrophotometric method for the determination of nickel in steel using dimethylglyoxime.
The method is applicable to the determination of nickel mass fractions in the range of 0,10 % and 2,0 %. Cobalt, copper and manganese can cause interferences (see 7.3.2).
POVUČEN
ISO 4939:1984
OBJAVLJEN
ISO 4939:2016
90.93
Odluka o potvrđivanju standarda
16. 8. 2021.
Čelik – Određivanje sadržaja nikla – Spektrofotometrijska metoda sa dimetilglioksimom
90.93 Odluka o potvrđivanju standarda