If the perchloride is employed it should remain in contact with the crude sulphide for at least 24 hours before redistillation.
The best preparations of iron are either the tincture of the perchloride, or nitrate, or the citrate of iron and quinine.
If for any reason they are preferred, the perchloride of iron is one of the very best preparations.
Add ammonia to a solution of perchloride of iron as long as the precipitate formed is redissolved.
A final douching with 1–2,000 perchloride of mercury completes the process.
Ellermans and Dales—perchloride; the sulphate is sometimes mixed with coal dust.
The crude sulphide is rectified by redistillation over zinc or perchloride of mercury by means of a steam or water bath.
It may generally be arrested by tincture of perchloride of iron, or of iron and quinine, administered three times a day.
Stronger solution of perchloride of iron (see below), 1; distilled water, 3.
The perchloride of iron has also produced alarming symptoms, after being taken for the same purpose.