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