Résumé
The method consists in decomposing a test portion, reducing arsenic (V) to arsenic (III) with tin(II) chloride and transforming the arsenic into arsine by action of nascent hydrogen, forming a red coloured complex by the action of the arsine on silver diethyldithiocarbamate and measuring at a wavelength of 520 nm.
Informations générales
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État actuel: PubliéeDate de publication: 1982-12Stade: Norme internationale confirmée [90.93]
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Edition: 1Nombre de pages: 5
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Comité technique :ISO/TC 34/SC 3ICS :67.080.01
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