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GB/T 14949.2-2021 Manganese ores—Determination of nickel content—Flame atomic absorption spectrometric method 锰矿石 镍含量的测定 火焰原子吸收光谱法 - 英文版 |
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GB/T 14949.11-2021 Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method 锰矿石 碳含量的测定 重量法和红外线吸收法 - 英文版 |
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GB/T 14949.6-2021 Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectrometric method 锰矿石 铜、铅和锌含量的测定 火焰原子吸收光谱法 - 英文版 |
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GB/T 14949.8-2018 Manganese ores—Determination of hygroscopic moisture content—Gravimetric method 锰矿石 湿存水量的测定 重量法 - 英文版 |
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GB/T 1509-2016 Manganese ores—Determination of silicon content—Perchloric acid dehydration gravimetric method 锰矿石 硅含量的测定 高氯酸脱水重量法 - 英文版 |
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GB/T 1511-2016 Manganese ores—Determination of calcium and magnesium contents—EDTA titrimetric method 锰矿石 钙和镁含量的测定 EDTA滴定法 - 英文版 |
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GB/T 1510-2016 Manganese ores—Determination of aluminium content—EDTA titrimetric method 锰矿石 铝含量的测定 EDTA滴定法 - 英文版 |
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GB/T 1506-2016 Manganese ores—Determination of manganese content—Potentiometric method and ammonium iron(Ⅱ) sulphate titrimetric method 锰矿石 锰含量的测定 电位滴定法和硫酸亚铁铵滴定法 - 英文版 |
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GB/T 31949-2015 Manganese ores—Determination of mercury content—Solid sampling and direct mercury analysis method 锰矿石 汞含量的测定 固体进样直接测定法 - 英文版 |
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