Decomposition is hindered for long.
_Treatment._--Promote vomiting by warm greasy water, or the stomach-tube
may be used. Cinchona bark or any preparation containing tannin, as tea,
decoction of oak bark, etc. Morphine to allay pain.
_Fatal Dose._--In an adult 2 grains (same as arsenic).
_Fatal Period._--Death follows in eight to twelve hours, from
exhaustion.
_Method of Extraction from the Stomach._--The contents of the stomach or
its coats should be finely cut up and boiled in water, acidulated with
tartaric acid and subjected to dialysis, or strained and filtered. Pass
hydrogen sulphide through the filtered or dialyzed fluid until a
precipitate ceases to fall; collect the sulphide thus formed, wash and
dry it. Boil the orange-coloured sulphide in a little hydrochloric
acid. If the solution be now added to a large bulk of water, the white
oxychloride is precipitated, which is soluble in tartaric acid and
precipitated orange yellow with hydrogen sulphide. The chloride of
bismuth is also precipitated white, but the precipitate is not soluble
in tartaric acid, and the precipitate with hydrogen sulphide is black.
_Tests._--Soluble in water, but not in alcohol.
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