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ISO 11723:2025-ed.3.0

Coal and coke — Determination of arsenic and selenium — Eschka´s mixture and hydride generation method

STANDARD published on 25.6.2025

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The information about the standard:

Designation standards: ISO 11723:2025-ed.3.0
Publication date standards: 25.6.2025
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO

Annotation of standard text ISO 11723:2025-ed.3.0 :

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.