ISO 5547:1978
Caseins — Determination of free acidity (Reference method)
Reference number
ISO 5547:1978
Edition 1
1978-06
© ISO 2024
Withdrawn
Withdrawn (Edition 1, 1978)

Abstract

Covers both caseins obtained by acid precipitation or lactic fermentation and rennet caseins. The principle of determination is based on the aqueous extraction of a test portion at 60 degrees centigrade, filtration and titration of the filtrate with a standard volumetric sodium hydroxide solution using phenophthalein as indicator.

General information

  • Status
     : Withdrawn
    Publication date
     : 1978-06
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 34/SC 5
    ICS :
    67.100.99 
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