ASTM ASTM D6721-01(2015) - August 13, 2019 - admin Click here to purchase 1.1 This test method covers the determination of total chlorine in coal. Product Details Published: 01/01/2015 Number of Pages: 5 File Size: 1 file , 81 KB Post navigation ASTM D6722-01ASTM D4827-93(1998)