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ISO/CD 11724

Solid mineral fuels — Determination of total fluorine in coal, coke and fly ash

General information

Current stage: 30.99 Effective date: Feb 2, 2026

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

Scope

This document specifies a method for the determination of total fluorine in coal, coke and fly ash.
From measurement of the total fluorine alone, it is not possible to estimate the amount of fluorine released to the environment by utilization of the coal and subsequent disposal of the ash residue.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 11724:2019

NOW

IN_DEVELOPMENT
ISO/CD 11724
30.99 CD approved for registration as DIS
Feb 2, 2026