ISO 4312:1989
Surface active agents; evaluation of certain effects of laundering; methods of analysis and test for unsoiled cotton control cloth
- Standard No.
- ISO 4312:1989
- Release Date
- 1989
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 4312:1989
- Scope
- 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.
ISO 4312:1989 history
- 1989 ISO 4312:1989 Surface active agents; evaluation of certain effects of laundering; methods of analysis and test for unsoiled cotton control cloth
- 1983 ISO 4312:1979/Add 1:1983 Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth — Addendum 1
- 1979 ISO 4312:1979 Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth
