Table 12 Method precision (dissolution instrument B).

From: In vitro evaluation of mesalazine enteric-coated tablet dissolution by the reciprocating cylinder method

Medium

Time Point (h)

Dissolution (%, lot 20220228-1)

Average (%)

RSD (%)

pH 1.2

2

0.1

0.1

0.1

0.1

0.1

0.1

0.1

-

pH 4.5

3

0.1

0.1

0.1

0.1

0.1

0.1

0.1

-

pH 5.5

4

0.1

0.2

0.2

0.2

0.2

0.2

0.2

-

pH 6.0

5

0.1

0.2

0.2

0.2

0.2

0.2

0.2

-

pH 6.8

5.08

0.2

0.3

0.3

0.2

0.2

0.2

0.2

-

pH 6.8

5.16

0.2

0.3

0.3

0.2

0.3

0.2

0.3

-

pH 6.8

5.25

0.5

0.3

0.4

0.4

0.5

0.4

0.4

18.1

pH 6.8

5.5

68

71

70

71

70

71

70.2

1.7

pH 6.8

5.75

97.1

96.8

97.0

96.6

95.9

97.9

96.9

0.7

pH 6.8

6

97.4

97.6

97.9

98.9

98.5

98.8

98.2

0.6

pH 6.8

6.5

98.5

99.8

99.9

100.1

99.5

99.7

99.6

0.6