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

3. A powder size analysis was carried out on 100 gm powder C 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 size Weight retained
range Frequency
(n)

10mm 3.9
4.75mm 5.2
2.36mm 3
1.18mm 8.6
600micron 25.8
300micron 32.8
150micron 20.7

Solution

Med point of Weight
size range retained
Frequency
(n)

10mm 3.9
4.75mm 5.2
2.36mm 3
1.18mm 8.6
600micron 25.8
300micron 32.8
150micron 20.7

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