Standard curve

Range (μg/mL)

Calibrators

Slope

y-intercept

R2 value

Day 1

50 - 250

5

993.30

−2079.5160

1.0000

Day 2

50 - 250

5

999.60

−2489.2502

1.0000

Day 3

50 - 250

5

1002.79

−2022.8564

1.0000