MT 30 - Water


Content Handbook F


Outline of method

30.1 Karl Fischer method

The sample is dispersed in methanol, and titrated with standard Karl Fischer reagent of known water equivalent.

30.2 Dean and Stark method

The water in the sample is determined by forming an azeotropic binary mixture with toluene, or solvent naphtha, and then distilling.

30.3 Free water - 'Speedy' method

30.4 Water in acetone solutions.