GJB 950.3-1990
Analysis methods for trace elements of precious metals and their alloys. Organic solvent extraction and malachite green photometric method for determination of trace amounts of gold in platinum and platinum and palladium alloys. (English Version)

Standard No.

GJB 950.3-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Military Standard of the People's Republic of China-General Armament Department

Status

Be replaced 2008-10

Replace By

GJB 950.2A-2008

GJB 950.3A-2008

Latest

GJB 950.3A-2021

GJB 950.3-1990 history

• 2021 GJB 950.3A-2021 Analysis methods for trace elements of precious metals and their alloys Part 3: Determination of trace amounts of gold in platinum and platinum alloys and palladium alloys by organic solvent extraction malachite green photometric method
• 2008 GJB 950.2A-2008 Analysis methods for minor elements of precious metals and their alloys.Part 2: Determination of minor gold and iron in platinum and platinum alloys, palladium alloys by inductively coupled plasma atomic emission sPedrometric method
• 1990 GJB 950.3-1990 Analysis methods for trace elements of precious metals and their alloys. Organic solvent extraction and malachite green photometric method for determination of trace amounts of gold in platinum and platinum and palladium alloys.