NF EN 15621

Animal feeding stuffs - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES

Le présent document spécifie une méthode de détermination de la teneur en macro-éléments (calcium, sodium, phosphore, magnésium, potassium, soufre) et de la teneur en oligo-éléments (fer, zinc, cuivre, manganèse, cobalt) présents dans les aliments pour animaux par spectrométrie d'émission atomique à plasma à couplage inductif (ICP-AES) après digestion sous pression. La méthode a été soumise à un essai statistique complet et à une évaluation sur 11 échantillons d'aliments pour animaux pour doser les macro-éléments calcium, sodium, phosphore, magnésium, potassium et soufre et les oligo-éléments fer, zinc, cuivre, manganèse et cobalt. Dans le cas du potassium et du soufre, les valeurs HORRAT sont pour la plupart supérieures à 2. Par conséquent, pour ces oligo-éléments, la méthode est applicable en tant que méthode d'évaluation et non pas à des fins de confirmation.

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