GJB 950.8-1990 Trace element analysis method of precious metals and their alloys ICP-AES method for determination of trace amounts of palladium and rhodium in platinum alloys (English Version)
2008GJB 950.3A-2008 Analysis methods for minor elements of precious metals and their alloys.Part 3:Determination of minor palladium ang rhodium in platinum alloys by inductively coupled plasma atomic emission spectrometric method
1990GJB 950.8-1990 Trace element analysis method of precious metals and their alloys ICP-AES method for determination of trace amounts of palladium and rhodium in platinum alloys