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ISO 6889:1986

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 6889:1986
Document Year: 1986
Pages: 10
Edition: 2

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ISO 6889:1986
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