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. Author manuscript; available in PMC: 2015 Apr 16.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Jun 2;856(0):141–147. doi: 10.1016/j.jchromb.2007.05.028

Table 2.

Extraction and ion suppression recovery data of 17-OHPC in human plasma.

Concentration (ng/ml) Extraction Recovery Ion Supression Relative Recovery
(n=4) Mean ± SD CV (%) Mean ± SD CV (%)
5 97.1 ± 2.0 2.1 104.3 ± 9.9 9.5
10 92.6 ± 5.0 5.3 103.9 ± 6.6 6.4
50 88.7 ± 2.1 2.3 104.1 ± 8.9 8.6
Internal Standard 25μl of 125 ng/ml 95.7 ± 3.2 4.3 79.2 ± 4.2 5.2