_a._ From tersulphide of antimony, in coarse powder, 2 parts; iron
filings, 1 part; fused together in a covered crucible, at a heat gradually
raised to dull redness.
_b._ From the teroxide or the oxychloride of antimony, fused together, as
before, with twice its weight of crude tartar.
_c._ (Ph. Castr. Ru. 1840.) Sulphide of antimony, 16 parts; cream of
tartar, 6 parts; both in powder; throw the mixture, in small quantities at
a time, into a vessel (an earthen crucible) heated to redness; when the
reaction is over (having closely covered the vessel), fuse the mass, and
after a quarter of an hour pour it out, and separate the metal from the
slag.
_d._ From sulphide of antimony, 8 parts; crude tartar, 6 parts; nitre, 3
parts; as last.
_e._ (Wöhler.) Sulphide of antimony, 10 parts; nitre, 12 parts; dry
carbonate of soda, 15 parts; deflagrate together; powder the resulting
mass, and wash it thoroughly with boiling water; lastly, smelt the dried
residuum with black flux. All the preceding are nearly pure; the impurity,
if any, being traces of copper, lead, or iron.
_f._ (Berzelius.) From metallic antimony, in fine powder, 2 parts;
teroxide of antimony, 1 part; fused together. The product will be pure
provided the antimony employed is free from lead.
_g._ (Muspratt.) From antimony, 9 parts; peroxide of manganese, 1 part;
fused together; the resulting metal being re-fused with 1-10th of its
weight of carbonate of soda.