ISO 1271-1983 标准详情
- 标准号:ISO 1271-1983
- 中文标题:精油 羰值的测定 游离羟胺法
- 英文标题:Essential oils; Determination of carbonyl value; Free hydroxylamine method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1983-12
The determination is carried out by converting the carbonyl compounds to oximes by reaction with free hydroxylamine liberated in a mixture of hydroxylammoniumchloride and potassium hydroxide. The excess alkali is titrated with hydrochloric acid solut
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