GJB 950.4A-2021
Analysis methods for trace elements of precious metals and their alloys Part 4: Photometric determination of trace iron in platinum and platinum alloys and palladium alloys using organic solvent extraction of o-phenanthroline (English Version)

Standard No.

GJB 950.4A-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

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

Latest

GJB 950.4A-2021

GJB 950.4A-2021 history

• 2021 GJB 950.4A-2021 Analysis methods for trace elements of precious metals and their alloys Part 4: Photometric determination of trace iron in platinum and platinum alloys and palladium alloys using organic solvent extraction of o-phenanthroline
• 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 950.4-1990 Analysis methods for trace elements of precious metals and their alloys. Organic solvent extraction of o-phenanthroline. Photometric method for determination of trace amounts of iron in platinum and platinum and palladium alloys.