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ISO 4312:1989-ed.2.0

Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth

STANDARD published on 17.8.1989

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The information about the standard:

Designation standards: ISO 4312:1989-ed.2.0
Publication date standards: 17.8.1989
The number of pages: 31
Approximate weight : 93 g (0.21 lbs)
Country: International technical standard
Category: Technical standards ISO

Annotation of standard text ISO 4312:1989-ed.2.0 :

Description / Abstract: Methods for the determination of the following characteristics of the test pieces after washing are specified: intrinsic greying, intrinsic yellowing, increase in organic deposit content, increase in incineration residue, overall decrease in breaking strength, decrease in breaking strength resulting from chemical degradation of cellulose due to laundering and from mechanical factors in laundering. Annexes contain the determination of increase (or decrease) in degree of whiteness and of chemical wear and further a grey scale and the measurement of reflection.