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

Overview ISO 11723:2025 defines a standardized laboratory method for the determination of arsenic and selenium in solid mineral fuels (coal and coke). The method combines ashing with Eschka's mixture…

Tracked Changes. Coal and coke. Determination of arsenic and selenium. Eschka´s mixture and hydride generatio…

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

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

Overview ISO 11723:2016 is an international standard that specifies a precise analytical method for determining arsenic and selenium content in solid mineral fuels. This method combines the use of Es…

Solid mineral fuels. Determination of arsenic and selenium. Eschka’s mixture and hydride generation method

1 Scope 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 ato…