benzoic acid betydelse and definition

Exempel på benzoic acid

• Benzoic acid, as it exists in the resin, is the natural production of the plant from which the resin is derived. 

• Dr. Gregory considers the following process for obtaining benzoic acid the most productive. 

• If the solution of the salts of this acid is too dilute and warm, none or only a portion of the benzoic acid will be separated. 

• Then procure a small quantity of benzoic acid, which exists in the shape of snowy crystals. 

• These crystals, except for a slight sweetness of taste, correspond in characters and tests to benzoic acid.