Numéro de référence
ISO 5372:1978
ISO 5372:1978
© ISO 2024
ISO 5372:1978
Phosphates condensés à usage industriel (y compris les industries alimentaires) — Dosage de l'arsenic — Méthode photométrique au diéthyldithiocarbamate d'argent
Edition 1
1978-08
1978-08
Annulée
Résumé
Applicable to products having As content equal or more than 0.2 mg/kg. Dissolution of a test portion, acidification with hydrochloric acid solution and oxidation with potassium bromide-bromate solution, followed by hydrolysis. Determination in accordance with the general method in ISO 2590, clause 3. Has also been approved by the IUPAC.