Reference number
ISO 6889:1986
ISO 6889:1986
© ISO 2024
International Standard
ISO 6889:1986
Surface active agents — Determination of interfacial tension by drawing up liquid films
Edition 2
1986-03
1986-03
ISO 6889:1986
13412
Published
(Edition 2, 1986)
This publication was last reviewed and confirmed in 2019.
Therefore this version remains current.
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.
Life cycle
-
Previously
WithdrawnISO 6889:1982
-
Now
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)