Table 11 Method precision (dissolution instrument A).

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

0.4

-

pH 4.5

3

0.1

0.1

0.1

0.1

0.1

0.1

0.5

-

pH 5.5

4

0.1

0.2

0.2

0.2

0.2

0.2

0.7

-

pH 6.0

5

0.1

0.2

0.2

0.2

0.2

0.2

0.9

-

pH 6.8

5.08

0.2

0.3

0.3

0.3

0.2

0.3

0.3

-

pH 6.8

5.16

0.2

0.2

0.2

0.3

0.2

0.2

0.2

-

pH 6.8

5.25

0.3

0.5

0.5

0.5

0.4

0.4

0.4

18.8

pH 6.8

5.5

69

70

69

70

69

70

69.5

0.8

pH 6.8

5.75

96.9

97.1

97.4

96.5

96

98.1

97

0.7

pH 6.8

6

97.3

97.5

97.8

98.1

98.1

98.6

97.9

0.5

pH 6.8

6.5

98.1

99.1

99.6

99.9

99.1

99.5

99.2

0.6