ISO 6560-1983 水果和蔬菜制品.苯甲酸含量(其大于 200mg/l或200mg/kg的含量)的测定.分子吸收光谱测定法
ISO 6560-1983 标准详情
- 标准号:ISO 6560-1983
- 中文标题:水果和蔬菜制品.苯甲酸含量(其大于 200mg/l或200mg/kg的含量)的测定.分子吸收光谱测定法
- 英文标题:fruit and vegetable products-determination of benzoic acid content(benzoic acid contents greater than 200 mg per litre or per kilogram)-molecular absorption spectrometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1983-11-01
内容简介
The method consists in extracting the acid from an acidified test portion using diethyl ether, nitrating followed by reduction and Mohler''s reaction modified with hydroxylaminehydrochloride, measuring the absorbance of the red complex obtained wit
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