ISO 6634:1982
Fruits, vegetables and derived products; Determination of arsenic content; Silver diethyldithiocarbamate spectrophotometric method

Standard No.

ISO 6634:1982

Release Date

1982

Published By

International Organization for Standardization (ISO)

Latest

ISO 6634:1982

Scope

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.

ISO 6634:1982 history

• 1982 ISO 6634:1982 Fruits, vegetables and derived products; Determination of arsenic content; Silver diethyldithiocarbamate spectrophotometric method