A LC–MS/MS method with column coupling technique for simultaneous estimation of lamivudine, zidovudine, and nevirapine in human plasma

Journal of Analytical Science and Technology

Table 5 Stability studies of aqueous stock solutions of analytes

Stability check	Analytes	Concentration	Average peak area for stored	Average peak area for fresh	% CV	% Stability
Stability check	Analytes	Concentration	Solution^a	Solution^a	% CV	% Stability
STSS (25 h)	Lamivudine	MQC	536,739	535,814	1.07	99.36
	Zidovudine	MQC	121,203	121,766	1.07	99.49
	Nevirapine	MQC	907,909	912,565	1.16	99.44
LTSS (40 days)	Lamivudine	MQC	551,425	550,174	1.20	100.32
	Zidovudine	MQC	125,575	124,388	1.68	100.95
	Nevirapine	MQC	928,136	915,249	1.36	101.23