Norm

NEN-EN-ISO 8292-2:2010 en

Dierlijke en plantaardige vetten en oliën - Bepaling van de vaste-stoffractie met gepulseerde kern-magnetische resonantie - Deel 2: Indirecte methode

79,70

Over deze norm

Status Definitief
Aantal pagina's 16
Commissie Plantaardige en dierlijke oliën en vetten
Gepubliceerd op 01-05-2010
Taal Engels
This part of ISO 8292 specifies an indirect method for the determination of the solid fat content in animal and vegetable fats and oils (hereafter designated "fats") using low-resolution pulsed nuclear magnetic resonance (NMR) spectrometry. Two alternative thermal pre-treatments are specified: one for general purpose fats not exhibiting pronounced polymorphism and which stabilize mainly in the β'-polymorph; and one for fats similar to cocoa butter which exhibit pronounced polymorphism and stabilize in the β-polymorph. Additional thermal pre-treatments, which may be more suitable for specific purposes, are given in an informative annex. The indirect method is less easy to carry out and less reproducible than the direct method, but is more accurate and more universally applicable to all fats.

Details

ICS-code 67.200.10
Nederlandse titel Dierlijke en plantaardige vetten en oliën - Bepaling van de vaste-stoffractie met gepulseerde kern-magnetische resonantie - Deel 2: Indirecte methode
Engelse titel Animal and vegetable fats and oils - Determination of solid fat content by pulsed NMR - Part 2: Indirect method
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