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Journal of Spectroscopy
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2023
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Article
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Tab 5
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Research Article
Oxidative Coupling Assay for Mesalazine Determination in Pharmaceuticals and Spiked Human Plasma Utilizing Syringic Acid
Table 5
Determination of mesalazine in pharmaceutical preparations using the proposed and official methods.
Pharmaceutical preparation
Certified value (mg)
Recovery (%)
RSD%
Pentasa (500 mg/tablet)
497.9
101.7
0.14
Mesacol (400 mg/tablet)
401.7
100.60
0.58
Metaza (500 mg/tablet)
476.89
98.95
0.06
t
-test = 0.111
F
-test = 0.897