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prEN ISO 6321

Animal and vegetable fats and oils - Determination of melting point in open capillary tubes (slip point) (ISO/DIS 6321:2020)

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ISO/DIS 6321; prEN ISO 6321
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Põhitekst
01.09.2002
Põhitekst
This document specifies two methods for the determination of the melting point in open capillary tubes, commonly known as the slip point, of animal and vegetable fats and oils (referred to as fats hereinafter). — Method A is only applicable to animal and vegetable fats which are solid at ambient temperature and which do not exhibit pronounced polymorphism. — Method B is applicable to all animal and vegetable fats which are solid at ambient temperature, and is the method to be used for fats whose polymorphic behaviour is unknown. A method for the determination of the melting point of palm oil samples is given in Annex A. NOTE 1 If applied to fats with pronounced polymorphism, method A will give different and less satisfactory results than method B. NOTE 2 Fats which exhibit pronounced polymorphism are principally cocoa butter and fats containing appreciable quantities of 2-unsaturated, 1,3-saturated triacylglycerols.
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