This section is from the "Elixirs And Flavoring Extracts. Their History, Formulae, & Methods of Preparation" book, by John Uri Lloyd. Also available from Amazon: Elixirs and flavoring extracts,: Their history, formulae, and methods of preparation;
Elixir of pyrophosphate of iron, 8 fluidounces.
Elixir of cinchonine, 8 fluidounces.
Mix them together, and then gradually add of ammonia water or acetic acid an amount sufficient to render the liquid of neutral reaction and transparent.
Each fluidrachm (teaspoonful) of the finished elixir contains one grain each of pyrophosphate of iron and cinchonine. Our remarks concerning elixir of pyrophosphate of iron and strychnine may be applied with equal pertinence to this preparation.