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 (English Version)

Standard No.

GJB 950.2A-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

Latest

GJB 950.2A-2008

Replace

GJB 950.4-1990 GJB 950.3-1990

Scope

WARNING—Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and comply with the conditions stipulated by the relevant national laws and regulations. This part specifies the method principle, reagents, instruments and devices, sampling and preparation, analysis steps, Result calculation and allowable difference. This section applies to the determination of trace amounts of gold and iron in Pt1, Pt2, Pt90Ir, Pt82.5Ir, Pd90Ir, Pd82Ir, Pt75Ir and Pd60Ag alloys. The measurement range is shown in Table 1.

GJB 950.2A-2008 history

• 2008 GJB 950.1A-2008 Analysis methods for minor elements of precious metals and their alloys. Part 1: Determination of minor lead, antimony, bismuth, and iron in gold and gold alloys, silve and silve alloys, palladium alloys by inductively coupled plasma atomic emission spect
• 1990 GJB 950.2-1990 Analysis method of trace elements of precious metals and their alloys ICP-AES method Determination of trace amounts of iron, lead, antimony and bismuth in silver and silver alloys

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 has been changed from 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..

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 has been changed from 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..