90.60 Close of review Sep 3, 2024
ISO
ISO/TC 27/SC 5 Methods of analysis
International Standard
73.040 Coals
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.
WITHDRAWN
ISO 11724:2016
PUBLISHED
ISO 11724:2019
90.60
Close of review
Sep 3, 2024