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ISO 4312:1989

Current Revision

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

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 4312
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 91
Publish Date Document Id Type View
Not Available ISO 4312:1989 Revision