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Citation: Wang Shihua, Gu Yaping, Jiang Shengbang. FORMATION MECHANISM OF TmI₂ IN Tm-HgI₂SYSTEM[J]. Acta Physico-Chimica Sinica, ;1987, 3(03): 334-336. doi: 10.3866/PKU.WHXB19870320 shu

FORMATION MECHANISM OF TmI₂ IN Tm-HgI₂SYSTEM

1.
Department of Chemistry; Beijing Normal University; Beijing

Received Date: 27 December 1985
Available Online: 15 June 1987

Formation mechanism of TmI_2 in Tm-HgI_2 system was studied by DTA and X-ray powder diffraction technique. Experimental and calculated results showed that formation of TmI_2 (in Tm-HgI_2 system) Could be devided in three steps; (1)At 260-280 ℃, TmI_3 appears. (2) At 280-330 ℃, some TmI_2 forms, (3) The further reaction of TmI_3 with Tm forms TmI_2 at 500-600 ℃.
The conditions for the preparation of TmI_2 were discussed as well.
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FORMATION MECHANISM OF TmI2 IN Tm-HgI2 SYSTEM

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FORMATION MECHANISM OF TmI₂ IN Tm-HgI₂SYSTEM