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 2 Recovery of analytes in spiked human plasma

Analyte	LQC			MQC			HQC
	Unextracted peak area^a	Extracted peak area^a	Mean percentage recovery	Unextracted peak area^a	Extracted peak area^a	Mean percentage recovery	Unextracted peak area^a	Extracted peak area^a	Mean percentage recovery
Lamivudine	33,232	24,856	74.80	556,655	411,977	74.01	1,299,965	1,033,108	79.47
Zidovudine	7586	7007	92.37	127,866	116,498	91.11	297,863	296,796	99.64
Nevirapine	52,217	52,567	100.67	889,635	854,959	96.10	2,192,647	2,085,960	95.13