ISO 304-1985
表面活性剂 用拉起液膜法测定表面张力

Surface active agents; Determination of surface tension by drawing up liquid films


 

 

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标准号
ISO 304-1985
发布日期
1985-12
实施日期
废止日期
中国标准分类号
G72
国际标准分类号
71.100.40
发布单位
IX-ISO
适用范围
The maximum force is measured which is necessary to act vertically on a stirrup or a ring, in contact with the surface of the liquid being examined placed in a measuring cup, in order to separate it from this surface, or on a plate with an edge in contact with the surface, in order to draw up the film that has formed. The surface tension of pure liquids or other solutions can also be measured by this method.

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