Sieve number

Microns (µ)

Wt. of sieve (A)

Final weight (B)

% retained
(B-A)

Cumulative % weight retained

20

200

368.2

393.4

25.2

25.2

30

212

362.3

372.6

20.3

45.5

40

150

361.3

382.6

21.4

66.9

60

125

355.2

375.6

20.4

87.3

80

90

350.6

357.8

6.6

93.9

100

75

350.6

355.6

5.6

99.5

Table 3: Particle Size Analysis of Phenytoin Sodium.
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