XP ISO/TS 22113
Milk and milk products - Determination of the titratable acidity of milk fat
ISO/TS 22113|IDF/RM 204:2012 specifies a routine method for determining the titratable acidity of milk fat.The method is applicable to milk fat obtained from: a) raw milk; b) heat-treated milk; c) milk reconstituted from milk powder; d) cream with any fat content, provided the product is diluted so as to obtain a mass fraction of between 4 % and 6 % fat.The method is not applicable to fermented milk or milk that has undergone bacterial or enzymatic damage.
ISO/TS 22113|IDF/RM 204:2012 specifies a routine method for determining the titratable acidity of milk fat.
The method is applicable to milk fat obtained from: a) raw milk; b) heat-treated milk; c) milk reconstituted from milk powder; d) cream with any fat content, provided the product is diluted so as to obtain a mass fraction of between 4 % and 6 % fat.
The method is not applicable to fermented milk or milk that has undergone bacterial or enzymatic damage.
- Avant-proposiv
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1 Domaine d'application1
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2 Principe1
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3 Réactifs1
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4 Appareillage3
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5 Échantillonnage4
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6 Préparation des échantillons pour essai4
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6.1 Stockage et conservation4
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6.2 Prétraitement de l'échantillon pour essai4
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7 Mode opératoire5
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7.1 Séparation de la matière grasse5
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7.2 Titrage5
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8 Calcul et expression des résultats6
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8.1 Calcul6
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8.2 Expression des résultats6
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9 Fidélité6
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9.1 Essai interlaboratoires6
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9.2 Répétabilité6
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10 Rapport d'essai7
- Annexe A (informative) Modèles de tubes d'extraction de la matière grasse8
- Annexe B (informative) Dispositif de titrage type pour le titrage consécutif de plusieurs échantillons dans un même volume de solvant de matière grasse9
- Annexe C (informative) Lignes directrices pour la préparation et l'utilisation d'échantillons de matière grasse de référence en vue du suivi du mode opératoire de titrage10
- Annexe D (informative) Essai interlaboratoires14
- Bibliographie15
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