Standard curve

Analytical range (µg/ml)

Calibrators

Slope

y-intercept

R² value

Day 1

50 - 250

5

191.78

?225.67

0.9997

Day 2

50 - 250

5

195.70

?429.58

0.9999

Day 3

50 - 250

5

197.43

?256.66

1