Transition Metal Complexes of Naproxen: Synthesis, Characterization, Forced Degradation Studies, and Analytical Method Verification

Table 8

Accuracy and precision parameters.

Parameters	Limit	Naproxen	Nap-Cu	Nap-Co	Nap-Fe	Nap-Ag	Nap-Zn
Accuracy	97.0–103.0%	98.95–100.11	99.34–99.87	98.45–99.24	98.45–101.45	99.45–101.37	99.55–102.62
Precision (intraday)	% RSD ≤ 2	0.812	0.522	0.657	0.729	0.478	0.835
	Day 1	0.974	0.745	1.135	1.256	0.875	0.435
Precision (interday)	Day 2	0.486	0.467	0.409	1.145	1.155	1.479
	Day 3	1.134	1.324	1.421	1.678	1.137	1.146
Different analyst and instruments	% RSD ≤ 3 (interday)	1.342	1.421	1.241	1.289	1.231	1.123