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See Chinese contents: HG/T 2976-2011 HG/T 2976-2011: Test method for attrition and abrasion of fertilizer catalysts
This standard specifies the instrument, sampling, measurement steps, result calculation for the determination of the attrition rate of fertilizer catalysts. This standard is applicable to the determination of the attrition rate of cylindrical, strip, amorphous, annular, spherical fertilizer catalysts.
