ISO 4278:1977
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ISO 4278:1977
10118

Abstract 

Applicable to products having contents, expressed as Na2 CO3 , more than 0.02 % (m/m). Describes the release of the carbon dioxide from a test portion by acidification and heating. Entrainment of the carbon dioxide in a flow of air and absorption in weighed absorption tubes containing soda asbestos. Specifies the weighing of the absorption tubes to determine the quantity released.


General information 

  •  :  Withdrawn
     : 1977-11
  •  : 1
     : 6
  •  : ISO/TC 47 Chemistry
  •  :
    71.060.50 Salts

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