Vessel material

Absorbance

Blank

Sample

Difference^*

Methycellosolve

0.059

0.393

0.334

Ethylcellosove

0.059

0.353

0.294

Methanol

0.059

0.174

0.124

Ethanol

0.026

0.031

0.005

2-propanol

0.015

0.016

0.001

Water

0.050

0.468

0.397