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ASTM D4642 Standard Test Method for Platinum in Reforming Catalysts by Wet Chemistry

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ASTM D4641 Standard Practice for Calculation of Pore Size Distributions of Catalysts from Nitrogen D

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ASTM D4621 Standard Guide for Quality Management in an Organization That Samples or Tests Coal and C

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ASTM D4606 Standard Test Method for Determination of Arsenic and Selenium in Coal by the Hydride Gen

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ASTM D4596 Standard Practice for Collection of Channel Samples of Coal in a Mine

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ASTM D4567 Standard Test Method for Single-Point Determination of Specific Surface Area of Catalysts

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