Table 2: Method linearity data.

AnalyteCalibration range μg/mLEquation

B15–200 0.9952
B310–120 0.9931
B25–40 0.9989
B63–40 0.9993
B1a5–40 0.9956
B103–25 0.9973
B530–120 0.9970
B2a5–40 0.9972
B95–30 0.9912