Note 10 — Chapter VIII · STARCH AND SUGAR CONCLUDED. ANALYSIS OF PLANT SUBSTANCE.
Reading edition
Make up three stock solutions as follows:
(1)
Copper sulphate 9 grams
Water 250 cc.
(2)
Caustic potash 30 grams
Water 250 cc.
(3)
Rochelle salts 49 grams
Water 250 cc.
For Fehling’s solution take one volume of each of (1), (2), and (3), and to the mixture add two volumes of water.