Analyte

Linear range

(µg/L)

Regression equation

R^2a

LOD

(µg/L)

Rept^b

(%RSD, n = 3)

Repd^c

(%RSD, n = 3)

Atrazine

0.10 - 100

y = 20141x + 31927

0.995

0.01

1.36

1.14

Diazinon

0.02 - 100

y = 15334x + 37096

0.999

0.007

3.89

3.86

Chlorothalonil

0.10 - 100

y = 28260x + 86439

0.997

0.02

0.73

4.85

Ametryn

0.02 - 100

y = 12677x + 16514

0.991

0.008

0.82

8.74

Malathion

0.02 - 100

y = 26235x + 14121

0.991

0.006

2.27

3.72

Chlorpyrifos

0.02 - 100

y = 14695x + 94087

0.993

0.009

5.28

4.23

Dimethametryn

0.02 - 100

y = 59031x + 11517

0.996

0.005

4.03

4.80