This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
The method consists in calcination of a test portion in the presence of sulphuric acid solution and weighing of the ash in form of sulphate.
Status: PublishedPublication date: 1977-05
Edition: 1Number of pages: 2
Technical Committee: ISO/TC 91 Surface active agents
Buy this standard
|std 1 38|
|std 2 38||Paper|