Experiment 1 - Powders

Question 0

Aid if a volatile solvent

Answer 0

Pulverization by intervention

Question 1

Coarse

Answer 1

#20
40% thru #60 sieve

Question 4

Type of paper for hygroscopic or delinquent powders

Answer 4

Waterproof or wax

Question 5

Intimate mixtures of dry finely divided drugs and or chemicals

Answer 5

Powder

Question 6

Fine

Answer 6

#60 sieve
40% thru #80 sieve

Question 8

Mills and pulverizers are used

Answer 8

Large scale comminution of drugs

Question 9

#40 sieve
40% thru #80 sieve

Answer 9

Moderately coarse

Question 10

Limited barrier against moisture

Answer 10

Glassine and veg parchment paper

Question 12

Prep of ointments and susp. To reduce particle size

Paste us formed

Answer 12

Levigation

Question 13

For volatile powders

Answer 13

Waxed or glassine

Question 15

Methods for determining particle size

Answer 15

Sieving
Microscopy
Sedimentation ratw
Light energy
Laser holography
Cascade impaction

Question 16

Fine

Answer 16

#60 sieve 
40% pass thru #100 sieve

Question 17

Very coarse

Answer 17

#20
20% pass thru #60 sieve

Question 21

Very fine

Answer 21

#80 sieve
No limit

Question 27

Study of particles

Answer 27

Micromeritics