Japanese Journal of Hospital Pharmacy
Online ISSN : 2185-9477
Print ISSN : 0389-9098
ISSN-L : 0389-9098
Relationship Between the Loss in Weight on Dividing and Dustability or Angle of Repose of Compound Powders
KATSUMI SMIDAKEIKO WAKABAYASHIKAZUYO SATOHIDEO KATSUTAKATSUHISA FURUICHI
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1976 Volume 2 Issue 1 Pages 46-50

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Abstract
Two kinds of powders with different physical properties were chosen to examine the relations between the angle of repose, dispersibility and the loss in weight on dividing and packaging. The loss in weight on dividing of the two kinds of powders, when mixed, may depend largely on their physical properties. Actually, the relation between dispersibility and the loss in weight, though largely depending on physical properties of powders, generally fluctuated in proportion to the mixing ratio. The angle of repose showed a tendency to fluctuate in proportion to the mixing ratio. But when two kinds of powders with different physical properties are mixed, it is difficult to measure the angle of repose because they separate before measuring. Therefore, it is impossible to observe minutely the relation between the angle of repose and the loss in weight on dividing.
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© Japanese Society of Pharmaceutical Health Care and Sciences
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