China National Standards

China Determination trace trimethylamine GB Standards List

  •  China "Determination trace trimethylamine" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40394-2021 Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
    工业用甲醇中痕量三甲胺含量的测定 气相色谱质谱联用法    		 China National Standards
    Determination trace trimethylamine
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