標準號：ISO 4312-1989
中文標準名稱：表面活性劑 某些洗滌效果的評價 未染污棉對照布的分析和試驗方法
英文標準名稱：Surface active agents; evaluation of certain effects of laundering; methods of analysis and test for unsoiled cotton control cloth
標準類型：G72
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：G72
國際標準分類號：71.100.40
適用范圍：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.