NF EN ISO 6886
Animal and vegetable fats and oils - Determination of oxidation stability (accelerated oxidation test)
ISO 6886:2006 specifies a method for the determination of the oxidative stability of fats and oils under extreme conditions that induce rapid oxidation: high temperature and high air flow. It does not allow determination of the stability of fats and oils at ambient temperatures, but it does allow a comparison of the efficacy of antioxidants added to fats and oils. The method is applicable to both virgin and refined animal and vegetable fats and oils.
ISO 6886:2006 specifies a method for the determination of the oxidative stability of fats and oils under extreme conditions that induce rapid oxidation: high temperature and high air flow. It does not allow determination of the stability of fats and oils at ambient temperatures, but it does allow a comparison of the efficacy of antioxidants added to fats and oils.
The method is applicable to both virgin and refined animal and vegetable fats and oils.
<p>ISO 6886:2016 specifies a method for the determination of the oxidative stability of fats and oils under extreme conditions that induce rapid oxidation: high temperature and high air flow. It does not allow determination of the stability of fats and oils at ambient temperatures, but it does allow a comparison of the efficacy of antioxidants added to fats and oils.</p> <p>The method is applicable to both virgin and refined animal and vegetable fats and oils. Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this International Standard.</p> <p>NOTE The presence of volatile fatty acids and volatile acidic oxidation products prevents accurate measurement.</p>
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Définitions1
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4 Principe2
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5 Réactifs et matériaux2
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6 Appareillage2
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7 Échantillonnage3
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8 Préparation de l'échantillon pour essai et de l'appareillage5
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8.1 Préparation de l'échantillon pour essai5
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8.2 Préparation de l'appareillage6
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9 Mode opératoire7
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10 Calcul8
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10.1 Calcul manuel8
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10.2 Calcul automatique8
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11 Fidélité9
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11.1 Résultat d'un essai interlaboratoires9
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11.2 Répétabilité9
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11.3 Reproductibilité9
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12 Rapport d'essai9
- Annexe A (informative) Résumé de la méthode, exemples de courbes de conductivité et détermination de la période d'induction10
- Annexe B (informative) Résultats d'un essai interlaboratoires12
- Bibliographie14
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