This International Standard specifies a method of determining the chlorine content of hard coal, brown coals and lignite, and coke using Eschka mixture.
ISO 587:1997 history
2020ISO 587:2020 Coal and coke — Determination of chlorine using Eschka mixture
1997ISO 587:1997 Solid mineral fuels - Determination of chlorine using Eschka mixture
1981ISO 587:1981 Solid mineral fuels; Determination of chlorine using Eschka mixture
1974ISO 587:1974 Title missing - Legacy paper document