ISO 1914-1972 标准详情
- 标准号:ISO 1914-1972
- 中文标题:工业用硼酸.硼酸含量的测定.容量法
- 英文标题:boric oxide for industrial use-determination of boric acid content-volumetric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1972-05-15
The method is based on titration of a dissolved test portion with a standard volumetric solution of sodium hydroxide in the presence of mannitol or sorbitol, using phenolphthalein as indicator. Water free from carbon dioxide, shall be used in the tes
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