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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Jul 31;904:73–80. doi: 10.1016/j.jchromb.2012.07.022

Table 1.

The mean extraction process recovery of five phthalate metabolites and BPA in fortified human urine (n=5)

Analytes Recovery (%)a ME (%)b
10ng/ml 100ng/ml 10ng/ml 100ng/ml
MMP 70.8 ± 10.5 68.7 ± 9.4 75.2 ± 9.3 77.2 ± 8.0
M EP 84.3 ± 5.8 86.1 ± 10.5 88.6 ± 6.0 85.6 ± 9.1
MBP 101.9 ± 8.0 95.3 ± 2.2 105.3 ± 7.0 103.5 ± 5.9
MBzP 103.2 ± 3.3 98.9 ± 5.1 106.9 ± 4.7 108.9 ± 6.8
MEHP 104.9 ± 6.3 105.3 ± 7.5 107.7 ± 11.3 110.0 ± 8.8
BPA 94.6 ± 6.1 100.3 ± 5.9 99.1 ± 4.4 100.8 ± 5.0
a

Recovery (%) expressed as mean ± standard deviation

b

Matrix effect (%) expressed as mean ± standard deviation