Future Journal of Pharmaceutical Sciences

Table 8 Data for solution stability analysis

From: Analytical quality by design approach to RP-HPLC method development and validation for simultaneous estimation of esomeprazole and naproxen in modified-release dosage form

Time interval (h)	ESP solution stability				NAP solution stability
	Standard		Sample		Standard		Sample
	Peak area	% Difference	Peak area	% Difference	Peak area	% Difference	Peak area	% Difference
0	89,641	–	89,657	–	1,404,970	–	1,404,785	–
12	89,568	− 0.08	89,658	0.00	1,404,785	− 0.01	1,404,797	0.00
24	88,782	− 0.88	89,609	− 0.05	1,404,112	− 0.05	1,404,757	0.00
36	86,654	− 2.40	86,152	− 3.86	1,403,866	− 0.02	1,404,518	− 0.02

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