ISO 3794-1976 标准详情
- 标准号:ISO 3794-1976
- 中文标题:精油(含叔醇) 用乙酰化后酯值的测定评估游离醇含量
- 英文标题:Essential oils (containing tertiary alcohols); Estimation of free alcohols content by determination of ester value after acetylation
- 标准类别:国际标准化组织标准ISO
- 发布日期:1976-12
The estimation is carried out by acetylation of the essential oil by acetyl chloride and acetic anhydride, in the presence of dimethylaniline. The acetylated oil is isolated and dried and the ester value is determined. The free alcohols content is ca
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