Page 98 - Practical Technology 2025

nd
Clinical Pharmacy-Pharm D Level Three 2 Semester 2024/2025 Pharmaceutical Technology (PT 607)

2. A powder size analysis was carried out on 1000 gm powder B using the
sieve method, the following data were obtained

• Draw a cumulative % frequency under and over size
• Calculate the mean granule diameter
Med point of Weight retained
size range Frequency
(n)

150 0
130 30
100 130
75 150
50 210
20 330
10 150
Solution
Med point Weight
of size retained
range Frequency
(n)

150 0

130 30
100 130
75 150
50 210
20 330
10 150

96