Non-ionic surface-active agents obtained from ethylene oxide and mixed non-ionic surface-active agents — Determination of cloud point
由环氧乙烷和混合非离子表面活性剂获得的非离子表面活性剂——浊点测定
Specifies five methods of measurement. Methods A, B and C are applicable to agents derived by condensation with a lipophilic compound without oxypropylene groups. Methods D and E should be used only after agreement between the parties concerned. This second edition cancels and replaces the first edition (1975).