1)Determination of moisture in granular activated carbon from coal GB 7702.1-87 ASTM D 2867 2)Determination of hardness of granular activated carbon from coal GB 7702.3-87 ASTM D 3802 3)Determination of packing density of granular activated carbon from coal GB 7702.4-87 ASTM D 2854 4)Determination of CCl4 (vapor) adsorption of granular activated carbon from coal GB 7702.13-87 ASTM D 3467 5)Determination of ash of granular activated carbon from coal GB/T 7702.15- ASTM D 2866 6)ASTM D 6646 7)ASTM D 2824