引用本文:
张逢星, 杨琴, 崔斌, 赵晓利, 段朝阳. 普钙-脲-水复合肥料体系的等温溶度研究[J]. 物理化学学报,
2000, 16(01): 27-30.
doi:
10.3866/PKU.WHXB20000106
Citation: Zhang Feng-Xing, Yang Qin, Cui Bin, Zhao Xiao-Li, Duan Chao-Yang. Studies on the lsothermal Solubility of the Systems CaSO4-Ca(H2PO4)-CO(NH2)2-H2O and Ca(H2PO4)2-CO(NH2)2-H2O at 25°C[J]. Acta Physico-Chimica Sinica, 2000, 16(01): 27-30. doi: 10.3866/PKU.WHXB20000106
Citation: Zhang Feng-Xing, Yang Qin, Cui Bin, Zhao Xiao-Li, Duan Chao-Yang. Studies on the lsothermal Solubility of the Systems CaSO4-Ca(H2PO4)-CO(NH2)2-H2O and Ca(H2PO4)2-CO(NH2)2-H2O at 25°C[J]. Acta Physico-Chimica Sinica, 2000, 16(01): 27-30. doi: 10.3866/PKU.WHXB20000106
普钙-脲-水复合肥料体系的等温溶度研究
English
Studies on the lsothermal Solubility of the Systems CaSO4-Ca(H2PO4)-CO(NH2)2-H2O and Ca(H2PO4)2-CO(NH2)2-H2O at 25°C
Abstract:
The titled quaternary system CaSO4-Ca (H2PO4 ) 2 - C O (NH2 ) 2 -H2O and its ternary boundary system Ca(H2PO4 )2-CO(NH2 )2-H2O have been investigated at 25℃ in order to develop complex fertilizer. One new compound Ca(H2PO4)2•CO (NH2)2 was found in the ternary system. There were two complex compounds Ca(H2PO4)2• CO(NH2 )2 and CaSO4• 4CO(NH2 )2.
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Key words:
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Phase equilibrium
- / Solubility
- / Complex fertilizer
- / Urea
- / Calcium sulfate
- / Calcium phosphate
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