thalictrum

[Lat.] thallophyte blue tinge of lead. It has a specific gravity of 11.80-11-91, melts at 293°, is a very soft metal, with le tenacity than lead, and almost devoid of elasticity. It communicates an intense green hue to a colorle flame, and its spectrum consists of one intensely brilliant and sharp green line, coinciding with the number 1442.6 on Kirchhoff's chart. thallium-alcohol, s. [THALLIUM-ETHER.] thallium-chloride, s. Chem.: Thallium forms four chlorides: (1) Dichloride of thallium , T12C14. A pale yellow compound formed by carefully heating the pro to chloride in a slow current of chlorine. IMG:content-0963.jpg:[graphic] (3) Thallic chloride, TICl3. Formed by di olving the trioxide in hydrochloric acid. The hydrated chloride can be obtained in long colorle prisms, which melt easily, and decompose at a high temperature. Thalia. (4) Thallious chloride , TICI. Formed by adding hydrochloric acid to a thallous salt. A white curdy precipitate resembling chloride of silver is produced, which di olves like chloride of lead in boiling water. It is insoluble in alcohol.