The Effect of Lubricants on the Properties of Chloroquine Phosphate Tablets

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Abstract
The properties of tablets prepared from different size fractions of chloroquine phosphate granules using different lubricants were evaluated. Lubricants used were magnesium stearate, stearic acid and talc, tablet properties studied include weight variation, crushing strength, friability and disintegration time The effects obtained were largely dependent on the type and concentration of lubricant. Generally, as granule size increased, tablets were found to show increased weight variation, decreased hardness and increased friability. With tablets containing talc as lubricant, disintegration time was shown to decrease with increase in granule size. There appears to be an optimum lubricant concentration for the compression of different granule size fractions.

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