ASTM D4780-23 PDF
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Standard Test Method for Determination of Low Surface Area of Catalysts and Catalyst Carriers by Multipoint Krypton Adsorption
ASTM International , 10/15/2023
ASTM D4780-23 PDF
1.1This test method covers the determination of the specific surface area of catalysts and catalyst carriers in the range from 0.05 m²/g to 10 m²/g. A volumetric measuring system is used to obtain at least three data points which fall within the linear BET region.
1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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