ISO-304 Surface active agents -- Determination of surface tension by drawing up liquid films

ISO-304 - 2ND EDITION - CURRENT


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 2ND EDITION - Dec. 15, 1985
 2ND EDITION CORRIGENDUM 1 - July 1, 1998

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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Document Number

ISO 304:1985

Revision Level

2ND EDITION

Status

Current

Publication Date

Dec. 15, 1985

Committee Number

ISO TC 91