ASTM D6721:

Standard Test Method for Determination of Chlorine in Coal by Oxidative Hydrolysis Microcoulometry

This test method covers the determination of total chlorine in coal and is applicable to coal samples with a concentration range of 20 to 300 mg/kg and above.

To comply with ASTM D6721 EST offers the NEXIS TX Total Chlorine analyzer with boat inlet technique to test the Chlorine content of coal samples.