physical pharmacy quiz lec 2,3,4

One of that is Fundamental Properties

• Density

• Packing geometry

• Porosity

• shape

The size of a spherical particle can be expressed in terms of its

• Diameter

• equivalent spherical diameters

Write the scientific term

It is the science and technology of

small particles.

most pharmaceutical powders are

• monosized

• polydisperse

This refer to

• Positive

• Negative

• Bimodal

• Symmetric

There many factors affect on particle shape

Write 3 of there

Surface area determination methods

Large particles good adsorbents(For adsorption of gases and solutes)

• True

• False

" z " refer to

• Open

  intraparticulate voids

• Closed

  Intraparticulate voids

• Interparticulate voids

Total volume occupied by entire powder excluding voids

• Bulk volume

• True volume

• Voids volume