YS/T 372.9-2006
Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration (English Version)

Standard No.

YS/T 372.9-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 372.9-2006

Replace

YS/T 375.6-1994 YS/T 374.5-1994 YS/T 373.7-1994 YS/T 372.13-1994 YS/T 372.11-1994 YS/T 372.10-1994 YS/T 372.12-1994

Scope

This standard specifies the determination method of nickel content in platinum, palladium, gold and silver alloys. This standard is applicable to the determination of nickel content in PtNi, PdNiCu, AuNiCu, AuAgCuNi, AuNiGd, AuNiY and AgCuNi alloys. Measuring range: 4% ~ 20%.

YS/T 372.9-2006 history

• 2006 YS/T 372.19-2006 Methods for elementary analysis of precious alloy. Determination of yttrium content.Chlorophosphonazo Ⅲ spectrophotometry
• 1970 YS/T 372.12-1994 Methods for elementary analysis of precious alloy.Determination of zinc content.EDTA complexometric titration

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 375.6-1994 .

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 374.5-1994 .

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 373.7-1994 .

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 372.13-1994 Methods for elementary analysis of precious alloy. Determination of tin content. EDTA complexometric titration.

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 372.11-1994 Methods for elementary analysis of precious alloy.Determination of magnesium content.EDTA complexometric titration.

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 372.10-1994 Methods for elementary analysis of precious alloy. Determination of nickel content in AuNi and PdNi alloy. EDTA complexometric titration.

YS/T 372.9-2006 Methods for elementary analysis of precious alloy. Determination of nickel content.EDTA complexometric titration has been changed from YS/T 372.12-1994 Methods for elementary analysis of precious alloy.Determination of zinc content.EDTA complexometric titration.