ISO 3707:1976
$13.00
Acide phosphorique à usage industriel (y compris les industries alimentaires) — Dosage du calcium — Méthode par absorption atomique dans la flamme
| Published By | Publication Date | Number of Pages |
| ISO | 1976-12 | 8 |
La présente norme spécifie une méthode par absorption atomique dans la flamme pour le dosage du calcium dans l'acide phosphorique à usage industriel (y compris les industries alimentaires).
La méthode est applicable aux produits dont la teneur en calcium est supérieure à 50 mg/kg, mais, en exécutant une courbe d'étalonnage appropriée, on peut étendre le domaine d'application jusqu'à 10 mg/kg. La présence de SiO2 soluble jusqu'à 5 µg/ml de solution d'essai n'interfère pas.
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