A sample of alumina powder has a mean lsquoparticle


A sample of alumina powder has a mean ‘particle' diameter of 25 µm. What is the apparent specific surface area (SSA) of the powder? If each ‘particle' is in reality an agglomerate of ultimate particles of diameter 0.5 µm, estimate

(i) the number of ultimate particles per agglomerate and

(ii) the true SSA of the powder.

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Electrical Engineering: A sample of alumina powder has a mean lsquoparticle
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