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Citation: Ren Dehou, Jiang Haiing, Xue Hongfu, Dai Cangding, Wang Li. COMPLEXES OF CROWN ETHER WITH RARE EARTH NITRATES Ⅳ. STUDIES ON THE SOLUBILITY OF THE TERNARY SYSTEM Y(NO₃)₃·3H₂O-B15C5-CH₃COCH₃ AT 18℃[J]. Chinese Journal of Applied Chemistry, ;1983, 1(1): 66-72. shu

COMPLEXES OF CROWN ETHER WITH RARE EARTH NITRATES Ⅳ. STUDIES ON THE SOLUBILITY OF THE TERNARY SYSTEM Y(NO₃)₃·3H₂O-B15C5-CH₃COCH₃ AT 18℃

1.
Department of Chemistry, Northwest University, Xian

Received Date: 20 April 1983
Available Online: 30 May 1983

The solubility of the ternary system, Y(NO₃)₃·3H₂O-B15C5-CH₃COCH₃at 18℃ has been determined by a phase equilibrium method. The results indicated that there are two solubility curves for the system, the long one correspounds with the solid phase of the complex,Y(NO₃)₃·B15C5·3H₂O 2.5CH₃COCH₃ and the short one with that of B15C5. There was a failure to achieve other complex species with another Y/crown ratios. The behavior of water for this system in equilibrium has been examined. The results are:the mole ratio,((H₂O)/(Y(NO₃)₃)), no matter whether it is in liquid phase or solid phase, is always 3:1. The composition of the isolated complex have been examined by chemical anaiysis, infrared spectra and thermogravimetric analysis,as well as the relation between the composition of complexes and after treament conditions. A relatively stable complex,Y(NO₃)₃. B15C5·3H₂O·0.65CH₃COCH₃ was obtained.
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COMPLEXES OF CROWN ETHER WITH RARE EARTH NITRATES Ⅳ. STUDIES ON THE SOLUBILITY OF THE TERNARY SYSTEM Y(NO3)3·3H2O-B15C5-CH3COCH3 AT 18℃

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通讯作者: 陈斌, bchen63@163.com

COMPLEXES OF CROWN ETHER WITH RARE EARTH NITRATES Ⅳ. STUDIES ON THE SOLUBILITY OF THE TERNARY SYSTEM Y(NO₃)₃·3H₂O-B15C5-CH₃COCH₃ AT 18℃