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. Author manuscript; available in PMC: 2015 Jun 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2014 May 2;960:194–199. doi: 10.1016/j.jchromb.2014.04.045

Table 3.

Matrix effect, Recovery, and process efficiency calculated from mean peak areas of 6 replicates of samples (n=6)

Conc (FDB/CFB) Matrix Effect, % Recovery, % Process Efficiency,%
ng/mL FDB CFB IS FDB CFB IS FDB CFB IS
Low (6/0.6) 90.2 107 94 106 89.2 109 95.9 95.4 103
Med (60/6) 86.6 105 94 103 85.9 106 89.4 90.6 98.9
High (700/70) 89.9 103 93 95.7 81.6 105 86.0 84.2 98.5