共找到 1100 条与 稀有金属及其合金分析方法 相关的标准,共 74 页
本标准规定了电感耦合等离子体原子发射光谱法测定铌铪合金中铪(Hf)、钛(Ti)、锆(Zr)、钨(W)、钽(Ta)含量的方法。本标准适用于铌铪合金中铪、钛、锆、钨、钽含量的测定,测定范围见表1。表1 铌铪合金中各元素含量测定范围元素Hf Ti Zr WTa 含量测定范围/%5.00~15.00 0.200~2.
Methods for chemical analysis of niobium hafnium alloys—Determination of hafnium, titanium, zirconium, tungsten, tantalum contents—Inductively coupled plasma atomic emission spectrometry
GB/T4698 的本部分规定了海绵钛、钛及钛合金中铬量(含钒)的测定方法。本部分适用于海绵钛、钛及钛合金(钛合金中主要成分包含钒元素)中铬量的测定。方法一测定范围:0.30%~15.00%;方法二测定范围:0.010%~15.00%。测定范围重叠时,本部分的方法一为仲裁方法。2 方法一
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10:Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry(with vanadium)
GB/T15076 的本部分规定了电感耦合等离子体原子发射光谱法测定钽、铌中硅含量。本部分适用于钽、铌及其氢氧化物、氧化物、碳化物和氟钽酸钾中硅含量的测定。测定范围:0.0005%~0.50%。2 原理
Methods for chemical analysis of tantalum and niobium—Part 6:Determination of silicon content—Inductively coupled plasma atomic emission spectrometry
GB/T15076 的本部分规定了1,10 -二氮杂菲分光光度法测定钽、铌中铁含量。本部分适用于钽、铌及其氢氧化物、氧化物中铁含量的测定。测定范围:>0.020%~0.50%。2 原理
Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
GB/T13747 的本部分规定了锆及锆合金中硼、镁、铝、钛、钒、铬、锰、钴、镍、铜、钼、锡、铪、钨、铅和铀含量的测定方法。本部分适用于海绵锆、锆及锆合金中硼、镁、铝、钛、钒、铬、锰、钴、镍、铜、钼、锡、铪、钨、铅和铀含量的测定。测定范围:0.00005%~0.010%。与GB/T13747 其他部分测定范围重叠时,以其他部分的方法为仲裁方法。2 原理
Methods for chemical analysis of zirconium and zirconium alloys—Part 27:Determination of trace impurities content—Inductively coupled plasma mass spectrometry
Methods for chemical analysis of zirconium and zirconium alloys—Part 7:Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry
Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry
Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry
Methods for chemical analysis of zirconium and zirconium alloys—Part 2:Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry
Methods for chemical analysis of zirconium and zirconium alloys—Part 12:Determination of silicon content—Molybdenum blue spectrophotometry
Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 6:Determination of boron content—Methylene blue spectrophotometry and inductively coupled plasma atomic emission spectrometry
Chemical analysis methods for mixed rare earth oxide of ion-absorption rare earth ore—Part 3: Determination of silicon dioxide content
Methods for chemical analysis of zirconium and zirconium alloys—Part 5:Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 17:Determination of magnesium content—Flame atomic absorption spectrometry
Methods for chemical analysis of tantalum and niobium—Part 3:Determination of copper content—Flame atomic absorption spectrometry
Methods for chemical analysis of zirconium and zirconium alloys—Part 6:Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents
Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content
Chemical analysis methods for rare earth residue and waste water—Part 5:Determination of ammonia nitrogen content
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