Studies on the Isothermal Solubility and the New Phases in the Ternary System MgCl2 CO(NH2)2 H2O at 25 ℃
ZHANG Feng-Xing, WEI Xiao-Lan, GUO Zhi-Zhen, SHI Qi-Zhen
Chem. J. Chinese Universities . 1998, (9): 1449 -1452 .