发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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ETHYLENE GLYCOL FOR INDUSTRIAL USE
本标准规定了工业用乙二醇中二乙二醇和三乙二醇含量的测定的气相色谱法。 本方法适用于工业用乙二醇中二乙二醇和三乙二醇含量的测定,其最小检测浓度分别为0.01%和0.02
Monoethylene glycol for industrial use. Determination of diethylene glycol and triethylene glycol. Gas chromatographic method
이 규격은 다음의 산업용 폴리글라이콜 중의 수산화기 수의 측정에 사용되는 에스테르화법에 대
Polyglycols for industrial use-Determination of hydroxyl number-Phthalic anhydride esterification method
Pclyglycols for industrial use - Determination of hydroxy1 number-Phthalic anhydride esterification method
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
The hydroxy groups present in a test portion are esterified with phthalic anhydride. The excess phthalic anhydrids is hydrolyzed and the phthalic acid
Polyglycols for industrial use; Determination of hydroxyl number; Phthalic anhydride esterification method
ETHYLENE GLYCOL FOR INDUSTRIAL USE
本标准规定了工业用乙二醇中二乙二醇和三乙二醇含量的测定的气相色谱法。 本方法适用于工业用乙二醇中二乙二醇和三乙二醇含量的测定,其最小检测浓度分别为0.01%和0.02
Monoethylene glycol for industrial use. Determination of diethylene glycol and triethylene glycol. Gas chromatographic method
이 규격은 다음의 산업용 폴리글라이콜 중의 수산화기 수의 측정에 사용되는 에스테르화법에 대
Polyglycols for industrial use-Determination of hydroxyl number-Phthalic anhydride esterification method
Pclyglycols for industrial use - Determination of hydroxy1 number-Phthalic anhydride esterification method
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
The hydroxy groups present in a test portion are esterified with phthalic anhydride. The excess phthalic anhydrids is hydrolyzed and the phthalic acid
Polyglycols for industrial use; Determination of hydroxyl number; Phthalic anhydride esterification method