GB/T 12690.1-2022稀土金属及其氧化物中非稀土杂质化学分析方法第1部分:碳、硫量的测定高频-红外吸收法国家标准
英文:Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1:Determination of...
英文:Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1:Determination of...
英文:Methods for chemical analysis of zirconium and zirconium alloys—Part 26:Determination of alloying and impurity elemen...
英文:Methods for chemical analysis of zirconium compounds—Determination of calcium,hafnium,titanium,sodium,iron,chromium,c...
英文:Chemical analysis method for rare earth ferroalloy—Part 4: Determination of iron content—Potassium dichromate titrati...
英文:Methods for chemical analysis of cadmium zinc telluride—Determination of zinc and cadmium contents—Inductively couple...
英文:Methods for chemical analysis of tungsten concentrates—Part 13:Determination of arsenic content—Atomic fluorescence s...
英文:Methods for chemical analysis of tungsten concentrates—Part 2: Determination of tin content—Potassium iodate titrimet...
英文:Methods for chemical analysis of zirconium and zirconium alloys—Part 10:Determination of tungsten content—Thiocyanate...
英文:Methods for chemical analysis of zirconium and zirconium alloys—Part 9:Determination of magnesium content—Flame atomi...
英文:Methods for chemical analysis of tungsten concentrates—Part 17:Determination of antimony content—Atomic fluorescence ...