Spectral Treatment

Factors

R²

SEC

RMSEC

Bias

No treatment

2

0.97

1.427

1.421

+0.004

Base line correction

2

0.97

1.408

1.401

−0.011

Base line and multiple scatter correction

4

0.99

0.685

0.681

+5.878 × 10⁻⁷

BBase line and multiple scatter corrected with 1^st derivative

2

0.96

0.841

0.837

−1.01×10⁻⁷