YS/T 372.4-2006
Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA (English Version)

Standard No.

YS/T 372.4-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

Professional Standard - Non-ferrous Metal

Latest

YS/T 372.4-2006

Replace

YS/T 373.11-1994 YS/T 373.10-1994 YS/T 373.9-1994 YS/T 373.7-1994 YS/T 373.3-1994 YS/T 372.13-1994 YS/T 372.10-1994 YS/T 372.4-1994 YS/T 375.6-1994 YS/T 375.4-1994 YS/T 375.3-1994

Scope

This standard specifies methods for the determination of copper content in gold, palladium and silver alloys. This standard applies to the determination of copper content in AuCu, AuNiCu, AuAgCuNi, AgCu, AuCuNi, AgCuZn, AgCuIn, AgCuSn, PdCu, PdAgCu and PdNiCu alloys. Measuring range: 4% ~ 90%.

YS/T 372.4-2006 history

• 2006 YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA
• 1970 YS/T 372.4-1994 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 373.11-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 373.10-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 373.9-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 373.7-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 373.3-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA 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 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA 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 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 375.6-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 375.4-1994 .

YS/T 372.4-2006 Methods for elementary analysis of precious alloy. Determination of copper content.Complexometric titration using thiourea releasing EDTA has been changed from YS/T 375.3-1994 .