China Coal tar—Determinati GB Standards Search Result |
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GB/T 38397-2019 Coal tar—Determination of component content—Gas chromatography-mass spectrometry and thermogravimetry 煤焦油 组分含量的测定 气相色谱-质谱联用和热重分析法 - 中英文版 |
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GB/T 38395-2019 Coal tar—Determination of sulfur and nitrogen content 煤焦油 硫和氮含量的测定 - 中英文版 |
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GB/T 38394-2019 Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry 煤焦油 钠、钙、镁、铁含量的测定 电感耦合等离子体发射光谱法 - 中英文版 |
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