Table 2.

Mean slope and relative standard deviation (RSD) for a nine-point calibration curve for CIs using methanol and matrix-matched standards (MMSs); calibration curve data is the mean of three sets of calibration ranging from 0.1 to 40 ng/mL.

	Methanol		MMS
Analyte	Slope	RSD, % *	Slope	RSD, % *	Signal Suppression, %
PnTX-G	135,853	2.2	98,659	2.9	27.4
SPX-1	226,904	0.8	225,225	2.6	0.7
GYM-A	40,854	1.4	36,309	2.6	11.1

* n = 3.