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钽铁、铌铁精矿化学分析方法 .第5部分:铀量的测定.电感耦合等离子体发射光谱法
Methods for chemical analysis of tantalite,columbite concentrate.Part 5:Determination of uranium content.Inductively coupled plasma atomic emission spectrometry
参考页数:7P.;A4
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钽铁、铌铁精矿化学分析方法 .第4部分:三氧化钨量的测定 .硫氰酸盐分光光度法
Methods for chemical analysis of tantalite,columbite concentrate.Part 4:Determination of tungsten trioxide content.Thiocyanate spectrophotometric method
参考页数:7P.;A4
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钽铁、铌铁精矿化学分析方法 .第3部分:二氧化硅量的测定 .硅钼蓝分光光度法和重量法
Methods for chemical analysis of tantalite,columbite concentrate.Part 3:Determination of silicon dioxide content.Silicomolybdenum blue spectrophotometry and gravimetry
参考页数:8P.;A4
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钽铁、铌铁精矿化学分析方法 .第2部分:二氧化钛量的测定 .双安替吡啉甲烷分光光度法
Methods for chemical analysis of tantalite,columbite concentrate.Part 2:Determination of titanium dioxide content.Diantipyrinyl methane spectrophotometric method
参考页数:7P.;A4
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钽铁、铌铁精矿化学分析方法 .第1部分:钽、铌量的测定.纸上色层重量法
Methods for chemical analysis of tantalite,columbite concentrate.Part 1:Determination of tantalum and niobium content.Gravimatric of paper chromatography method
参考页数:7P.;A4
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铍精矿、绿柱石化学分析方法 .第4部分:氧化锂量的测定.火焰原子吸收光谱法
Methods for chemical analysis of beryllium concentrate and beryl.Part 4:Determination of lithium oxide contents.Flame atomic absorption spectrometry
参考页数:7P.;A4
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铍精矿、绿柱石化学分析方法 .第3部分:磷量的测定.磷钼钒酸分光光度法
Methods for chemical analysis of beryllium concentrate and beryl.Part 3:Determination of phosphorus content.Phosphomlybdium vanadic acid spectrophotometry
参考页数:7P.;A4
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铍精矿、绿柱石化学分析方法 .第2部分:三氧化二铁量的测定.EDTA滴定法、磺基水杨酸分光光度法
Methods for chemical analysis of beryllium concentrate and beryl.Part 2:Determination of ferric oxide content.EDTA titrimetry and sulfosalicylic acid spectrophotometry
参考页数:8P.;A4
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铍精矿、绿柱石化学分析方法 .第1部分:氧化铍量的测定.磷酸盐重量法
Methods for chemical analysis of beryllium concentrate and beryl.Part 1: Determination of beryllium oxide content.Phosphate gravimetry
参考页数:7P.;A4
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铌锭
Niobium ingot
参考页数:8P.;A4
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