Component

Slope(^a)

Intercept(^a)

r²

linear range/ (ppm)(^b)

LOD/ (ppm)(^c)

MI

(87.5 ± 7.2) × 10⁴

(5.02 ± 11.9) × 10³

0.9998

5

0.062

BNP

(21.4 ± 2.7) × 10⁴

(1.5 ± 2.1) ×10⁴

0.9996

20

0.41

CMI

(59.7 ± 2.9) × 10⁴

(1.0 ± 1.0) × 10⁴

0.9999

10

0.076

BIT

(16.6 ± 2.2) × 10⁵

(2.9 ± 3.3) × 10⁴

0.9996

4

0.075