Nicotine (μg/g)

Nornicotine (μg/g)

Conversion (%)

Parameters

Estimate

SD1

Estimate

SD

Estimate

SD

Mean

6893.20

±138.76

4878.57

±86.78

50.91

±0.34

a

−6739.84

±135.65

4506.62

±85.99

47.98

±0.34

d

−2229.98

±349.34

746.38

±282.49

−0.45

±2.12

add

−0.32

0.15

−0.01

R2

98.11

95.60

93.25