Photometric Measurement of Particle Size and Relative Surface Area

AN APPARATUS that will measure the surface area of a few of the simple minerals with a high degree of accuracy has been described by J. W. Bell (1). His apparatus consisted essentially of a photometric device that would measure the turbidity of fine particle suspensions. Turbidity, in this case, was considered as a function of surface area.
Keywords: Calibration, Chalcopyrite No. 5, microns, particle size, refractive indices, specific gravity, Materials, mineral, minerals, mixture, Particle size, particles, Plastics, Slopes
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