ISO 11723:2025

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

Publication date: 25 qer 2025

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Current stage: 60.60 Effective date: 25 qer 2025

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040 75.160.10

Gjuha: anglisht

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Statusi: Publikuar

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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.

ISO 11723:2025

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

General information

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