Division 6.2.2.5

Dissolve the residue in 6 ml of the sodium hydroxide solution (4.9). Add 20 ml of Fehling's solution (4.16) and transfer the contents of the flask into a 50 ml separating funnel (5.5) Rinse the flask with 8 ml of chloroform (4.3). Shake and filter the chloroform phase into a 50 ml standard flask (5.2).