Phone: (011) 7541-421, 3409-301, 3409-335, 6547-293, 3409-310
E-mail: Standards sales: prodaja@iss.rs Education: iss-edukacija@iss.rs Information about standards: infocentar@iss.rs
Stevana Brakusa 2, 11030 Beograd
Main menu

SRPS H.B8.850:1991

General method for the determination of arsenic — Silver diethyldithiocarbamate photometric method

Oct 16, 1991
Oct 16, 1991
95.99   Withdrawal of Standard   Feb 28, 2017

General information

95.99     Feb 28, 2017

ISS

H047

International Standard

71.040.40  

Serbian  

Buying

Withdrawn

Language in which you want to receive the document.

Scope

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.

Life cycle

NOW

WITHDRAWN
SRPS H.B8.850:1991
95.99 Withdrawal of Standard
Feb 28, 2017

Related project

Adopted from ISO 2590:1973