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ISO 11723:2025

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

General information

Valid from 25.06.2025
Directives or regulations
None

Standard history

Status
Date
Type
Name
25.06.2025
Main
18.11.2016
Main
This document 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 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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