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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Bioanalysis. 2012 Jan;4(2):157–166. doi: 10.4155/bio.11.303

Table 3.

Precision (%CV) of peak areas and peak area ratios in set 1–3.

Low QC (conc.: 120 ng/ml) Med. QC (conc.: 1500 ng/ml) High QC (conc.: 17,000 ng/ml) Column
Lumefantrine peak area
Set 1b 2.8 0.8 1 A
Set 2 2.8 0.7 1.4 B
Set 3 4.3 3.3 2.5 C
IS peak area
Set 1b 1.5 1.2 2.6 D
Set 2 2.5 1.3 2.2 E
Set 3 4.3 2 5.1 F
Peak area ratio
Set 1b 2.2 1.7 2.4 G
Set 2 4.1 1.7 2.2 H
Set 3 5.4 2.1 4.8 I

n = 6.

IS: Internal standard; QC: Quality control.