preparations of the tablets..................................

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according to IP,(indian pharmacopia)tablets are solid dosage forms,each contains a unit dose of one or more medicaments. they are generally intended for oral administration.tablets can be manufactured in a variety of sizes,shapes markings.compressed tablets are flat or convex and may have lines or break marks,symbol or any other markings. 1.some tablets are swallowed. 2.some are swallowed after being chewed. 3.some are dissolved or dispersed before administration. 4.some are retained in mouth where the medicament is released. a majority of tablets are manufactured by compression of uniform volume of powdered mass or granules by applying high pressures and utilising steel punches and dies.tablets are prepared by 1.direct compression of powders 2.compression of granules obtained by dry granulation. 3.compression of granules obtained by wet granulation.