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.
Status: WithdrawnPublication date: 1975-12
Edition: 1Number of pages: 1
Technical Committee: ISO/TC 34/SC 5 Milk and milk products
- ICS :
- 67.100.20 Butter
ISO 1739:1975Stage: 95.99
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