LC-MS/MS Quantification of Tramadol and Gabapentin Utilizing Solid Phase Extraction

Table 3

Precision and accuracy results of GBP.

QC name/nominal concentration	GBP
	Intra batch (n=12)		Inter batch (n=24)
	% Accuracy	% CV	% Accuracy	% CV
LLOQQC/ 10 ng/mL	96.7	6.7	98.4	3.8
LQC/ 30 ng/ mL	93.5	5.8	97.9	6.6
MQC/ 2500 ng/mL	99.1	3.2	94.1	2.9
HQC/ 4500 ng/mL	95.6	2.9	100.9	5.3