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GB/T 7731.17-2023 Ferrotungsten - Determination of cobalt, nickel and aluminum content - Inductively coupled plasma atomic emission spectrometry 钨铁 钴、镍、铝含量的测定 电感耦合等离子体原子发射光谱法 - 中英文版 |
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GB/T 7731.5-2021 Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method 钨铁 硅含量的测定 硅钼蓝分光光度法 - 中英文版 |
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GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method 钨铁 磷含量的测定 磷钼蓝分光光度法 - 中英文版 |
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GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method 钨铁 钨含量的测定 辛可宁重量法和硝酸铵重量法 - 中英文版 |
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GB/T 7731.10-2021 Ferrotungsten—Determination of carbon content—Infrared absorption method 钨铁 碳含量的测定 红外线吸收法 - 中英文版 |
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GB/T 7731.9-2008 Ferrotungsten - Determination of bismuth content - The bismuth iodide photometric method and inductively coupled plasma - atomic emission spectrometry 钨铁 铋含量的测定 碘化铋光度法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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GB/T 7731.8-2008 Ferrotungsten - Determination of antimony content - The tetraethylrhodamine photometrie method and inductively coupled plasma-atomic emission spectrometry 钨铁 锑含量的测定 罗丹明B光度法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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GB/T 7731.6-2008 Ferrotungsten - Determination of arsenic content - The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry 钨铁 砷含量的测定 钼蓝光度法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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GB/T 7731.7-2008 Ferrotungsten - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry 钨铁 锡含量的测定 苯基荧光酮光度法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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GB/T 7731.3-2008 Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method 钨铁 铜含量的测定 双环己酮草酰二腙光度法和火焰原子吸收光谱法 - 中英文版 |
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GB/T 7731.14-2008 Ferrotungsten - Determination of lead content - The polarographic method and inductively coupled plasma-atomic emission spectrometry 钨铁 铅含量的测定 极谱法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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GB/T 7731.12-2008 Ferrotungsten - Determination of sulfur content - Infrared absorption method and combustion titration method 钨铁 硫含量的测定 红外线吸收法和燃烧中和滴定法 - 中英文版 |
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GB/T 7731.2-2007 Ferrotungsten - Determination of manganese content - The periodate spectrophotometric method and the flame atomic absorption spectrometric method 钨铁 锰含量的测定 高碘酸盐分光光度法和火焰原子吸收光谱法 - 中英文版 |
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GB/T 7731.10-1988 Methods for chemical analysis of ferrotungsten--The infrared absorption method for the determination of carbon content 钨铁化学分析方法 红外线吸收法测定碳量 - 中英文版 |
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GB/T 7731.5-1987 Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content 钨铁化学分析方法 钼蓝光度法测定硅量 - 中英文版 |
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GB/T 7731.4-1987 Methods for chemical analysis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content 钨铁化学分析方法 钼蓝光度法测定磷量 - 中英文版 |
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GB/T 7731.1-1987 Methods for chemical analysis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content 钨铁化学分析方法 辛可宁重量法测定钨量 - 中英文版 |
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