ISO 4315:1977
ISO 4316:1977
ISO 4317:2011-ed.3.0..
ISO 4318:1989-ed.2.0..
ISO 4319:1977
ISO 4320:1977
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ISO 8022:1990-ed.2.0
Surface active agents — Determination of wetting power by immersion
Automatically translated name:
Surface active agents -- Determination of wetting power by immersion
STANDARD published on 5.7.1990
The information about the standard:
Designation standards: ISO 8022:1990-ed.2.0
Publication date standards: 5.7.1990
SKU: NS-435488
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 8022:1990-ed.2.0 :
Description / Abstract: A cotton disc of known nature and characteristics, held in a grip, is immersed in a solution of surface active agent of known concentration. After displacement of air an penetration of the solution into the cloth, the cotton disc starts to sink. The wetting time is determined by measurement the interval between the moment of immersion of the cotton disc and the moment when it begins to sink. The wetting time is determined of two standard solutions and for each of five different concentrations and then of the surface active agent solution under test for five different concentrations. The three curves "wetting time / concentration" are plotted and compared.
Similar standards:
1.2.1977
1.8.1977
29.11.2011
29.6.1989
1.7.1977
1.2.1977
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