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111.
The equilibrium solubility of the LaCl3-CdCl2-(9.7%)HCl-H2O quaternary system at 298K was determined and the phase diagram was constructed. The results show that the system is complicated with four equilibrium solid- phases CdCl2·H2O, 8CdCl2·LaCl3·16H2O(8∶1 type), 4CdCl2·LaCl3·12H2O(4∶1 type) and LaCl3·7H2O, respectively. The two new compounds 8CdCl2·LaCl3·16H2O(8∶1 type) and 4CdCl2·LaCl3·12H2O(4∶1 type) are congruently soluble in ~9.7% HCl-H2O medium and have not yet been reported in literatures. Both com-pounds have been prepared from the system and have been characterized by XRD, TG-DTG and DSC. 相似文献
112.
The supersaturated solution of MgO·3B2O3-18%MgSO4-H2O was prepared and then reacted under hy-drothermal condition at 120℃. The solid phases of the different time were identified by means of chemical analysis, XRD, FT-IR, SEM. The results show that the solid phases are spherical and sheet szaibelyite, which is different from those of non-hydrothermal condition. On these grounds we suggested the crystallization mechanism of sza-ibelyite under the hydrothermal condition and then discussed the effects of hydrothermal properties on the crystal-lization mechanism. 相似文献