Active standard | Published: 25/06/2025

ISO 11723:2025-ed.3.0

Coal and coke — Determination of arsenic and selenium — Eschka´s mixture and hydride generation method
(Charbon et coke — Détermination de l´arsenic et du sélénium — Mélange d´Eschka et méthode par production d´hydrure)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 11723:2025-ed.3.0

Publication date: 25/06/2025

Pages: 6

Country: International technical standard

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Anotation

Description / Abstract: This document specifies a method using Eschkas 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 solid mineral fuels. The method is also applicable for the determination of the analytes by hydride generation inductively coupled plasma atomic emission spectrometry.

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