ISO 2522-1974 标准详情
- 标准号:ISO 2522-1974
- 中文标题:工业用磷酸三甲苯酯;表观自由苯酚含量测定;体积测定法
- 英文标题:tritolyl phosphate for industrial use; determination of apparent free phenols content; volumetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1974-04-01
The method specified determines only those phenols capable of reacting at the 2nd, 4th and 6th position (-OH = 1). The procedure consists in extraction of free phenols from a test portion with sodium hydroxide solution. Bromination of these phenols w
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