pH

Linear Regression

Sensitivity (µS/ppm)

Correlation Coefficient

7.5

y = 15.00x + 91.75

15.00

0.863

8.0

y = 15.87x + 97.54

15.87

0.857

8.5

y = 26.11x + 95.65

26.11

0.989

9.0

y = 31.07x + 104.3

31.07

0.894

9.5

y = 22.36x + 105.5

22.36

0.902