An alkaline solution of copper(II) sulfate and a tartrate, used in a laboratory test for sugars.
- ‘Some are remembered by association with useful substances, like Fehling's solution, or Glauber's salt.’
- ‘The galactomannan was obtained from the alkali-soluble fraction by selective precipitation (Fehling's reagent).’
- ‘Fructose gives a positive test with Fehling's solution too.’
We take a look at several popular, though confusing, punctuation marks.