ISO 4322:1977
p
ISO 4322:1977
10193

Abstract

 Preview

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.


General information 

  •  :  Published
     : 1977-05
  •  : 1
     : 2
  •  : ISO/TC 91 Surface active agents
  •  :
    71.100.40 Surface active agents

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