Journal of Analytical Science and Technology

Table 3 Matrix effect for cathinone and mephedrone in plasma

From: Detection of cathinone and mephedrone in plasma by LC-MS/MS using standard addition quantification technique

Cathinone (pg/μl)	% CV	% Recovery
A
40	6.1	99.3
80	4.0	101.2
120	3.5	104.0
160	16.9	94.3
200	4.2	92.4
240	6.0	111.6
280	2.1	101.9
320	2.4	95.7
Average	5.6	98.4
Mephedrone (pg/ul)	% CV	% Recovery
B
40	6.1	93.7
80	4.0	103.0
120	3.5	108.5
160	16.9	99.1
200	4.2	97.8
240	6.3	98.7
280	0.7	96.8
320	2.4	102.5
Average	5.4	100.2

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