The Preparation of Plantation Rubber
CHAPTER XIX
CHOICE OF COAGULANT
Acetic acid in general use--Is a coagulant necessary?--Acetic acid--Formic acid--Citric acid--Tartaric acid--Oxalic acid-- Sulphuric acid--Hydrochloric and nitric acids--Hydrofluoric acid--Alum--Pyroligneous acid--Smoked water--Chinese vinegar-- Sulphurous acid--Sugars--Various salts--Proprietary compounds --Carbonic acid gas--Alcohol--Vegetable extracts 278