Poison in some whodunits

Usage examples of arsenic.

The precipitate of ammonic-magnesic phosphate is filtered off, dissolved, and titrated with uranium acetate, using the same standard solution as is used in the arsenic assay: 0.

In a report of a poisoning case now on trial, where we are told that arsenic enough was found in the stomach to produce death in twenty-four hours, the patient is said to have been treated by arsenic, phosphorus, bryonia, aconite, nux vomica, and muriatic acid,--by a practitioner of what school it may be imagined.

If, after adding excess of silver nitrate to insure a complete precipitation, the arsenate of silver be filtered off, the weight of the arsenic could be estimated from the weight of silver arsenate formed.

He had never accepted the theory of andromedotoxin poisoning that Grace had put forward and was even less happy with the idea of a fatal dose of arsenic delivered through the medium of the unfortunate pheasant and, what was more, he knew Grace could never have subscribed to these theories either.

Ay, I know you have arsenic, Vitriol, sal-tartar, argaile, alkali, Cinoper: I know all.

A piece of glass or porcelain held to the flame will have, if arsenic be present, a deposit on it having the following characters: In the centre a deposit of metallic arsenic, round this a mixture of metallic arsenic and arsenious acid, and outside this another ring of arsenious acid in octahedral crystals.

The product is fused with more arsenic under a slag, consisting mainly of borax.

Then Laveran had injected arsenic under the skins of some of those suffering mice.

Iron is found combined with sulphur in pyrrhotine and pyrites, and together with arsenic in mispickel.

EPA and the White House with comments opposing the rollback of the arsenic rule.

Despite common belief, it is demonstrable that a combination of arsenic and mercuric salts does not increase in toxicity as the poison is recovered from the vomitus of one victim to the next.

Porak, after giving some historical notes, describes a long series of experiments performed on the guinea-pig in order to investigate the passage of arsenic, copper, lead, mercury, phosphorus, alizarin, atropin, and eserin through the placenta.

A simpler and bolder practice found welcome in Germany, depending chiefly on mineral remedies, mercury, antimony, sulphur, arsenic, and the use, sometimes the secret use, of opium.

Rings of pale-coloured scoria may be due to tin, zinc, antimony, or arsenic.

The first of these is arsenic trioxide, an extremely poisonous substance.