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ASTM B922-20

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Standard Test Method for Metal Powder Specific Surface Area by Physical Adsorption
standard by ASTM International, 05/01/2020

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Description

1.1 This test method covers determination of surface area of metal powders. The test method specifies general procedures that are applicable to many commercial physical adsorption instruments. The method provides specific sample outgassing procedures for listed materials. It includes additional general outgassing instructions for other metals. The multipoint equation of Brunauer, Emmett, and Teller (BET),2 along with the single point approximation of the BET equation, forms the basis for all calculations.

Product Details

Published:
05/01/2020
Number of Pages:
5
File Size:
1 file , 75 KB
Redline File Size:
2 files , 150 KB