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Table 2 Data of the TRT Stability Study

From: Development and validation of derivative UV spectroscopic method for simultaneous estimation of nicotinamide and tretinoin in their binary mixtures and pharmaceutical preparations

TRT concentrations (µg/mL) Percentage%
t0 = 0 h t1 = 24 h t2 = 48 h t3 = 72 h
0.75 100.00 99.91 101.44 103.05
1.50 100.00 99.60 101.19 102.20
2.25 100.00 99.82 100.85 102.33
In the accepted range 98–102%   Yes Yes No