Added [mg]

Found [mg]

Recovery [%]

RSD [%]

Isoniazid® (100 mg)

104.2

104.2

3.2

50%

50

151.2

100.8

2.9

100%

100

198.5

99.2

1.6

150%

150

246.0

98.6

2.7

Rifamazid® (150mg)

151.8

101.2

2.1

50%

75

225.4

100.2

3.2

100%

150

298.8

99.6

4.3

150%

225

377.3

100.6

3.6

Table 1: Isoniazid determination in bulk pharmaceuticals formulation.