Reference number
ISO 755-3:1981
© ISO 2025
ISO 755-3:1981
Butan-1-ol for industrial use — Methods of test — Part 3: Sulphuric acid colour test
Edition 1
1981-09
Withdrawn
Withdrawn (Edition 1, 1981)

Abstract

The principle consists in treatment of a test portion with sufphuric acid solution under specified conditions, comparison of the colour developed with that of the same volume of an agreed colour standard. By agreement between the interested parties, the colour developed may be measured in Hazen units (platinum-cobalt scale).

General information

  • Status
     : Withdrawn
    Publication date
     : 1981-09
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.080.60 
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