ISO-6634 › Fruits, vegetables and derived products -- Determination of arsenic content -- Silver diethyldithiocarbamate spectrophotometric method

ISO-6634 - 1ST EDITION - CURRENT


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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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Document Number

ISO 6634:1982

Revision Level

1ST EDITION

Status

Current

Publication Date

Dec. 1, 1982

Committee Number

ISO TC 34/SC 3