Solvent

Concentration range

R²

Calibration curves equations

Alcohol

0 - 2000 ppm

0.93

y = 0.0014x + 0.3191

Alcohol

0 - 31.25 ppm

0.99

y = 0.0107x − 0.0032

Landy medium

0 - 2000 ppm

0.94

y = 0.0012x + 0.2209

Water

0 - 4000 ppm

0.80

y = 0.0005x + 0.576