Parameters of Methods Validation results

CRDS

GC-FIDmeth

Day 1

Day 2

Day 3

Day 1

Day 2

GOF

1.58

0.23

2.16

1.33

1.91

r2

0.9991

0.9997

0.9991

0.9972

0.9960

Standard error

5.92

3.41

7.67

201.97

220.02

Observations

43

43

39

20

20

F

4783.9

3230.6

32115.0

3913.9

2968.5

Fcritic

4.5 × 10⁻¹⁸

5.7 × 10⁻¹⁷

1.9 × 10⁻²³

1.6 × 10⁻²²

1.9 × 10⁻²¹

RSD (%)

0.14

0.25

0.21

1.06

1.08

s_r (%)

0.20

1.07

s_R (%)

0.53

2.07

ER (%)

0.09

0.3

EN (%)

0.51

0.10

Z-score

0.24

0.11

LOD (μmol∙mol⁻¹)

16

40

LOQ (μmol∙mol⁻¹)

50

121