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ISO 6889:1986

Current Revision

Surface active agents -- Determination of interfacial tension by drawing up liquid films

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The determination is carried out in the following way: Measurement of the maximum force which can be exerted before the film breaks, the force being exerted vertically on a stirrup or ring, in contact with he interfacial liquid film between two immiscible liquid phases placed in a measuring cup, in order to draw up the interfacial film. The force must pass through a maximum, otherwise the measurement is not valid.


SDO ISO: International Organization for Standardization
Document Number ISO 6889
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 91
Publish Date Document Id Type View
Not Available ISO 6889:1986 Revision