Table 9 Placebo solution interference.

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

Medium

Placebo concentration (mg/ml)

Wavelength, nm

Absorbance

Std Absorbance

Interference(%)

0.1 N Hydrochloric acid

1.42

303

3.06E-04

0.21715

0.00

pH 4.5

1.42

332

1.15E-02

0.18944

0.03

pH 5.5

1.42

332

2.94E-03

0.12132

0.01

pH 6.0

1.42

332

1.19E-03

0.10246

0.01

pH 6.8

1.42

332

2.86E-03

0.90265

0.07

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