. Author manuscript; available in PMC: 2009 Mar 9.

Published in final edited form as: Environ Sci Technol. 2005 May 15;39(10):3443–3449. doi: 10.1021/es048680j

TABLE 2. LC/MS/MS Method Performance Characteristics for PbTx Analysis.

	linerarity, R²	accuracy (% deviation)	% recovery	precision, CV^a (%)	LOQ^b (ng/sample)
PbTx1	0.99	13	27	11	0.6
PbTx2	0.99	5	54	6	0.4
PbTx3	0.99	9	66	9	0.4
PbTx6	0.99	15	59	7	0.4
PbTx9	0.99	7	61	10	0.4
brevenal	0.99	12	35	12	0.4

Coefficient of variation.

Limit of quantitation.

The analyses were performed at the concentration range of 0.8–500 ng/mL.