Download Size Separation PDF Notes Pharmaceutics For D.Pharmacy Students.
Large pieces of material are usually estimated visually, difficulties arising only in the estimation of powders.
Standards for Powders
Standards for powders for pharmaceutical purposes are
laid down principally in the British Pharmacopoeia which
states, that the degree of coarseness or fineness of a
powder is differentiated and expressed by the size of the
mesh of the sieve through which the powder is able to