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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 4312:1989

ISO 4312:1989 Surface active agents – Evaluation of certain effects of laundering – Methods of analysis and test for unsoiled cotton control cloth

CDN $305.00

SKU: c182cc737a36 Category:

Description

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.

Edition

2

Published Date

1989-08-17

Status

PUBLISHED

Pages

31

Language Detail Icon

English

Format Secure Icon

Secure PDF

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.

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