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Particle size distribution (Granulometry)

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The particle size distribution (granulometry) of α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)naphthalene-1-methanol (Solvent Blue 4) by the sieve analysis method was found to be in the range of 53 micrometer to 180 micrometer. Majority of the particles were found to be in the size 75 (37.0%) and 150 (28.4%) micrometer in size. 

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The particle size distribution (granulometry) of α,α-bis[4-(dimethylamino)phenyl]-4-(phenylamino)naphthalene-1-methanol by the sieve analysis method was found to be in the range of 53 micrometer to 180 micrometer. Majority of the particles were found to be in the size 75 (37.0%) and 150(28.4%) micrometer in size.