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GB/T 3654.10-2024 Determination of ferroniobium-aluminum content-EDTA titration method 铌铁-铝含量的测定-EDTA滴定法 - 中英文版 |
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GB/T 3654.8-2023 Ferroniobium Determination of titanium content Chromotropic acid photometry and diantipyrine methane photometry 铌铁 钛含量的测定 变色酸光度法和二安替比林甲烷光度法 - 中英文版 |
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GB/T 3654.3-2019 Ferroniobium—Determination of silicon content—Gravimetric method 铌铁 硅含量的测定 重量法 - 中英文版 |
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GB/T 3654.8-2008 Ferroniobium - Determination of tianiun content - Chromotropic acid photometric method 铌铁 钛含量的测定 变色酸光度法 - 中英文版 |
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GB/T 3654.6-2008 Ferroniobium - Determination of sulfur content - Combustion-iodate titrimetric method，methylene blue photometric method and infrared absorption method 铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法 - 中英文版 |
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GB/T 3654.2-2008 Ferroniobium - Determination of copper content - The neocuproine-choroform extraction photometric method 铌铁 铜含量的测定 新亚铜灵 三氯甲烷萃取光度法 - 中英文版 |
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GB/T 3654.9-1983 Methods for chemical analysisof ferroniobium--The thiocyanate photometric method for the determination of tungsten content 铌铁化学分析方法 硫氰酸盐光度法测定钨量 - 中英文版 |
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GB/T 3654.5-1983 Methods for chemical analysis of ferroniobium--The molybdenum blue photometric method for the determination of the phosphorus content 铌铁化学分析方法 钼蓝光度法测定磷量 - 中英文版 |
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GB/T 3654.4-1983 Methods for chemical analysis of ferroniobium--The combustion gravimetric method for the determination of carbon content 铌铁化学分析方法 燃烧重量法测定碳量 - 中英文版 |
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GB/T 3654.3-1983 Methods for chemical analysis of ferroniobium--The gravimetric method for the determination of silicon content 铌铁化学分析方法 重量法测定硅量 - 中英文版 |
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GB/T 3654.1-1983 Methods for chemical analysis of ferroniobium--The paper chromatograph-gravimetric method for the determination of niobium and tantalum content 铌铁化学分析方法 纸上色层分离重量法测定铌、钽量 - 中英文版 |
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GB/T 3654.10-1983 Methods for chemical analysis of ferroniobium--The EDTA volumetric method for the determination of aluminium content 铌铁化学分析方法 EDTA容量法测定铝量 - 中英文版 |
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