Phenolphthalein, 1 per cent. alcoholic solution.
Purdy's (or Fehling's) solution ([p. 80]).
Robert's reagent ([p. 73]).
Sodium chlorid (table-salt), saturated aqueous solution.
Sodium hydroxid (caustic soda), 40 per cent. solution; other strengths can be made from this as desired.
Sodium hydroxid, decinormal solution. This is best purchased ready prepared.
Sodium nitrite, 0.5 per cent. solution for diazo reaction. Must be freshly prepared.
Sulphanilic acid solution for diazo reaction ([p. 91]).
Stains:
Carbol-fuchsin ([p. 33]).