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ISO 6889:1986
ISO 6889:1986 Surface active agents – Determination of interfacial tension by drawing up liquid films
CDN $115.00
Description
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.
Edition
2
Published Date
1986-03-20
Status
PUBLISHED
Pages
10
Language
English
Format
Secure PDF
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Abstract
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.
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