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3. ASTM D2862-10 Standard Test Method for Particle Size Distribution of Granular Activated Carbon;American Society for Testing and Materials,2010
4. ASTM D3802-10 Standard Test Method for Ball-Pan Hardness of Activated Carbon;American Society for Testing and Materials,2010
5. ASTM D2652-11 Standard Terminology Relating to Activated Carbon;American Society for Testing and Materials,2011