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  • Status :  Withdrawn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
  • Edition : 1
    Number of pages : 1
  • :
    ISO/TC 34/SC 5
    Milk and milk products
  • 67.100.20

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