Reference number
ISO 1739:1975
© ISO 2025
ISO 1739:1975
Butter — Determination of the refractive index of the fat (Reference method)
Edition 1
1975-12
Withdrawn
Withdrawn (Edition 1, 1975)

Abstract

Describes a method of measurement which uses a refractometer with a scale graduated in refractive index units to the third decimal place and having prisms heated by means of a circulating liquid at 40 degrees centigrade, the temperature being thermostatically controlled to within +/- 0.1 degrees centigrade. A sodium vapour lamp shall be used as a light source.

General information

  • Status
     : Withdrawn
    Publication date
     : 1975-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 1
  • Technical Committee :
    ISO/TC 34/SC 5
    ICS :
    67.100.20 
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