Solid dosage forms

Powders and granules

Particle size can influence variety of important factors , including the following

Methods for determination of particle size

Particle size reduction and comminution of Drugs

Blending of powders

Quantities of powders or for powders containing potent substances , because homogenous blending is not as certain as other methods

Bulk and divided powders

Granules

Preparation of granules •1- Wet method :

2- DRY method

Powders (which tend to float on the surface) and are often preferred for dry products intended to be constituted into solutions or suspensions