Studies on Phase Chemistry of Synthesizing Mechanism for Compound Cs3Dy2Br9

Chem. J. Chinese Universities ›› 1996, Vol. 17 ›› Issue (11): 1670.

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Studies on Phase Chemistry of Synthesizing Mechanism for Compound Cs₃Dy₂Br₉

WANG Hui, RAN Xin-Quan, CHEN Pei-Heng

Department of Chemistry, Northwest University, Xi'an, 710069

Received:1995-10-11 Online:1996-11-24 Published:1996-11-24

Abstract

Abstract: Phase chemical relation of quaternary system CsBr-DyBr₃-HBr(13%)-H₂O at 25℃ for CsBr and DyBr₃ reaction in HBr was studied for the first time,a new kind of compound 5CsBr·3DyBr₃·24H₂O was found in the system.X-ray powder diffraction, thermal analysis(TG and DTA) and polarization-character of new compound obtained from the system were investigated.Meanwhile,the synthetic mechanism of compound Cs₃DY₂Br₉ was suggested here on the basis of phase chemical relation of the system.

Key words: Quaternary system, Dysprosium tribromide, Cesium bromide, Hydrobromic acid, Synthesizing mechanism

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WANG Hui, RAN Xin-Quan, CHEN Pei-Heng. Studies on Phase Chemistry of Synthesizing Mechanism for Compound Cs₃Dy₂Br₉[J]. Chem. J. Chinese Universities, 1996, 17(11): 1670.

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Studies on Phase Chemistry of Synthesizing Mechanism for Compound Cs₃Dy₂Br₉

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