+91 80984 42953 hello@sascert.in
Verify a certificate ISO standards library Download brochure
ISO 11723:2004Withdrawn

Solid mineral fuels — Determination of arsenic and selenium — Eschka's mixture and hydride generation method

Combustibles minéraux solides — Dosage de l'arsenic et du sélénium — Mélange d'Eschka et méthode par production d'hydrure

Abstract / scope

ISO 11723:2004 specifies a method using Eschka's mixture during ashing, extraction of the ash residue with acid, and hydride generation atomic absorption spectrometry or hydride generation atomic fluorescence spectrometry, for the determination of arsenic and selenium in coal and coke ash.

Life cycle

Replaced by

ISO 11723:2016WithdrawnSolid mineral fuels — Determination of arsenic and selenium — Eschka's mixture and hydride generation methodInternational Standard · Published 18 Nov 2016 · ISO/TC 27/SC 5