Active standard | Published: 01/12/1982

ISO 6634:1982

Fruits, vegetables and derived products — Determination of arsenic content — Silver diethyldithiocarbamate spectrophotometric method
(Fruits, légumes et produits dérivés — Détermination de la teneur en arsenic — Méthode spectrophotométrique au diéthyldithiocarbamate d´argent)

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Detail information

Designation: ISO 6634:1982

Publication date: 01/12/1982

Pages: 5

Country: International technical standard

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Anotation

Description / Abstract: 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.

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