2006YS/T 372.10-2006 Methods for elementary analysis of precious alloy. Determination of nickel content in AuNi and PdNi alloy. EDTA complexometric titration
1970YS/T 372.3-1994 Methods for elementary analysis of precious alloy. Determination of palladoum content. Complexometric titration using butanedione dioxime releasing EDTA
YS/T 372.3-1994 Methods for elementary analysis of precious alloy. Determination of palladoum content. Complexometric titration using butanedione dioxime releasing EDTA was changed to YS/T 372.10-2006 Methods for elementary analysis of precious alloy. Determination of nickel content in AuNi and PdNi alloy. EDTA complexometric titration.