ČSN EN ISO 6321

Živočišné a rostlinné tuky a oleje - Stanovení bodu tání v otevřené kapiláře - Bod tání posunem (Norma k přímému použití jako ČSN).

Dostupné jazyky: Anglicky

Dostupné provedení: Tištěné

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Podrobné informace

Označení: ČSN EN ISO 6321

Datum vydání: 01.12.2021

Stran: 24

Země: Česká technická norma

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Anotace

This document specifies two methods for the determination of the melting point in open capillary tubes, commonly known as the slip melting 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.
For the determination of the slip melting point of palm oil samples the method given in Annex A shall be used.
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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