Standard

ISO 2590:1973

May 1973 Withdrawn

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Language English

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Abstract

Applicable to determining the quantities contained either in all the test solution or in the aliquot portion of between 1 g and 20 g that is taken for the determination. The principle bases on the reduction of the arsenic by zinc in a hydrochloric acid medium with the formation of arsine; absorption of the arsine in a solution of silver diethyldithiocarbamate in pyridine. Photometric measurement of the purplish-red colour produced by the colloidally dispersed silver at the maximum of the absorption curve at a wavelength of about 540 nm.

Document information

Standard from ISO
Published: 1 May 1973
Withdrawn: 3 October 2016
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 71.040.40
ISO TC ISO/TC 47

Product Relations

Referred by: NS-EN ISO 9917-1:2025
Referred by: NS-EN ISO 3107:2022
Referred by: NS-EN ISO 3107:2011
Referred by: NS-EN ISO 9917-1:2007

ISO 2590:1973

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Abstract

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Abstract

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