Numéro de référence
ISO 5792:1978
ISO 5792:1978
© ISO 2024
ISO 5792:1978
Acide sulfurique à usage industriel — Dosage de l'arsenic — Méthode photométrique au diéthyldithiocarbamate d'argent
Edition 1
1978-08
1978-08
Annulée
Résumé
Describes a method applicable to products having aresenic contents equal to or greater than 0,1 mg/kg. As far as principle, the reagents and apparatus to be used are concerned, reference is made to ISO 2590, with some modifications added. For example, the reduction of arsenic by zinc is carried out in sulphuric acid medium. Provides information on the expression of results and the particulars to be included in the test report. The annex lists ISO publications covering the same subject.