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Updated: May 29, 2025
Heated in substance, it crepitates and chars; and if heat be increased, the metal is deposited. Treated with sulphuretted hydrogen, a characteristic orange-red sulphide is formed. A drop of the solution evaporated leaves crystals, either tetrahedric, or cubes with edges bevelled off. Sulphuretted hydrogen passed through gives the orange-red precipitate above named.
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