International Standard
ISO 4312:1989
Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth
Reference number
ISO 4312:1989
ISO 4312:1989
Edición 2
1989-09
1989-09
© ISO 2024
International Standard
p
ISO 4312:1989
10180
No disponible en español
Publicado
(Edición 2, 1989)
Esta norma se revisó y confirmó por última vez en 2022.
Por lo tanto, esta versión es la actual.
Resumen
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.
Ciclo de vida
-
Anteriormente
RetiradaISO 4312:1979
-
Ahora
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