Reference number
ISO 8292-1:2008
© ISO 2024
International Standard
ISO 8292-1:2008
Animal and vegetable fats and oils — Determination of solid fat content by pulsed NMR — Part 1: Direct method
Edition 1
2008-04
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Published (Edition 1, 2008)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 8292-1:2008

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Format
CHF 151
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Abstract

ISO 8292-1:2008 specifies a direct method for the determination of solid fat content in animal and vegetable fats and oils (hereafter designated "fats") using low-resolution pulsed nuclear magnetic resonance 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 direct method is easy to carry out and is reproducible, but is not as accurate as the indirect method due to the approximate method of calculation.

General information

  • Status
     : Published
    Publication date
     : 2008-04
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 27
  • Technical Committee :
    ISO/TC 34/SC 11
    ICS :
    67.200.10 
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