International Organization for Standardization (ISO)
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ISO 934:1980
Scope
The method is applicable to products having water content greater than or equal to 0,5 % (m/m). It consists in entraining of the water present in a test portion, by azeotropic distillation with the aid of an organic liquid not miscible with water, and measuring of the volume of water collected. A figure shows a suitable distillation apparatus.
ISO 934:1980 history
1980ISO 934:1980 Animal and vegetable fats and oils; Determination of water content; Entrainment method