Facile synthesis and eco-friendly analytical methods for concurrent estimation of selected pharmaceutical drugs in their solutions: application to quality by design, lean six sigma, and stability studies

Table 9 System suitability testing specifications of the proposed UPLC method

Item	UPLC		Reference values
Item	CFZ	PYD	Reference values
Tailing factor	0.82	1.1	T ≤ 2
Injection precision	0.22	0.45	RSD ≤ 1%
Number of theoretical plates (N)	6759	4248	N > 2000
Resolution (Rs)	–	2.25	Rs ≥ 1.5

ISSN: 2661-801X