
贵金属合金化学分析方法 银合金中银量的测定 氯化钠电位滴定法
Test method of precious metal alloys-Determination of silver contents for silvernalloys-Potentionmeter titration with sodium chloride
Test method of precious metal alloys-Determination of silver contents for silvernalloys-Potentionmeter titration with sodium chloride
Methods for chemical analysis of tantalum and niobium-Part 10:Determination of iron , nickel ,chromium,titanium,zirconium,naluminum and manganese contents in niobium-Direct current arc atomic emission spectrometry
Test method of precious metal alloys-Determination of indium content for gold alloys-Complexometric return titration using EDTA
Test method of precious metal alloys-Determination of copper content for gold, palladium and silver alloys-Complexometric return titration using thiourea releasing EDTA
Test methods of precious metal alloys-Determination of chromium andniron contents for gold alloys-Inductively coupled plasmanatomic emission spectrometry
Test method of precious metal alloys-Determination of iridium contents fornplatinum, palladium alloys-Electricity titration with ferrous sulfate
Test method of precious metal alloys-Determination of silver content for gold and palladium alloys-Potentionmeter titration with potassium iodide
Test method of precious metal alloys-Determination of palladium content for palladium and silver alloys-Butanedione dioxime gravimetry
The methods for chemical analysis of zine and zinc alloys The determination of copper contentThe lead diethyldithio-carbamate speetrophotometrie method andthe flame atomie absorption spectrometrie method and the eleetrolytie method
Methods for chemical analysis of zine and zinc alloys Part 7:Determination of magnesium content Flame atomic absorption spectrometrie method