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Citation: Wei Xiao-Lan, Zhang Feng-Xing, Guo Zhi-Zhen, Shi Qi-Zhen. Study on the lsothermal Solubility of Quaternary Systems KCl(K₂SO₄)-MgCl₂(MgSO₄)-CO(NH₂)₂-H₂O[J]. Acta Physico-Chimica Sinica, ;1998, 14(03): 237-242. doi: 10.3866/PKU.WHXB19980309 shu

Study on the lsothermal Solubility of Quaternary Systems KCl(K₂SO₄)-MgCl₂(MgSO₄)-CO(NH₂)₂-H₂O

1.
Department of Chemistry Nothwest University,Xi'an 710069

Received Date: 10 June 1997
Available Online: 15 March 1998

The solubilities refraction indices and densities of the saturated solutions of the titled quaternary systems at 25 ℃ have been investigated for the first time and thier solubility diagrams, property diagrams hare been constructed.
In the solubility diagrams, there are five crystallization regions corresponding to KCl,MgCl2-6H2O, CO(NH2)2, MgCl2.4CO(NH2)2-2HaO and MgCl2•CO(NH2)2•4H2O, respectively for KCl-MgCl2-CO(NH2)2-H2O system, four crystallization regions corresponding t0 K2SO4,MgSO4•7H2O, CO(NH2)2 and K2SO4.MgSO4•6H2O, respectively for system K2SO4-MgSO4-CO(NH2 )2-H2 O system.
- Quaternary system,
- Phase equilibirium,
- Solubility,
- Potassium chloride,
- Magnisium chloride,
- Potassium sulfate,
- Magnisium Sulfate,
- Urea
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Study on the lsothermal Solubility of Quaternary Systems KCl(K2SO4)-MgCl2(MgSO4)-CO(NH2)2-H2O

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通讯作者: 陈斌, bchen63@163.com

Study on the lsothermal Solubility of Quaternary Systems KCl(K₂SO₄)-MgCl₂(MgSO₄)-CO(NH₂)₂-H₂O