GB/T 21541-2008
ActiveChlorinated methanes for industrial use - Determination of purity - Gas chromatography
工业用氯代甲烷类产品纯度的测定 气相色谱法
Application Summary AI generated
This standard specifies a gas chromatography method for determining the purity of chlorinated methanes, such as methyl chloride, methylene chloride, chloroform, and carbon tetrachloride, used in industrial applications. It is applied in chemical manufacturing and quality control laboratories to ensure product purity meets specifications for solvents, refrigerants, and chemical intermediates. The method is critical for verifying the composition of bulk industrial chemicals before use in production or distribution.
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