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>ISO Standards>ISO 1739:1975-Butter-Determination of the refractive index of the fat (Reference method)-Buythis standard
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immediate downloadReleased: 1975
ISO 1739:1975-Butter-Determination of the refractive index of the fat (Reference method)-Buythis standard

ISO 1739:1975

Butter

CURRENCY
42 EUR
Standard´s number:ISO 1739:1975
Pages:1
Edition:1
Released:1975
Language:English
DESCRIPTION

ISO 1739:1975


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.