Calorimetric Studies of the Interactions between Several Aminophosphonic Acids and Urea in Aqueous Solutions at 298.15 K

被引：8

作者：

Palecz, Bartlomiej ^{[1
]}

Grala, Aleksandra ^{[1
]}

Kudzin, Zbigniew ^{[2
]}

机构：

[1] Univ Lodz, Dept Phys Chem, PL-90416 Lodz, Poland

[2] Univ Lodz, Dept Organ Chem, PL-90416 Lodz, Poland

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2014年 / 59卷 / 02期

关键词：

ALPHA-AMINO ACIDS; ENTHALPIC INTERACTION COEFFICIENTS; CARBON-PHOSPHORUS BOND; 2-AMINOETHYLPHOSPHONIC ACID; THERMODYNAMIC PROPERTIES; WATER; ANALOGS; KCL; THERMOCHEMISTRY; INHIBITORS;

D O I：

10.1021/je400900h

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The enthalpies of solution of 1-aminobutylphosphonic acid (Nval(P)), 1-amino-2-methylpropyl-phosphonic acid (Val(P)), 1-amino-3-(methylthio)propylphosphonic acid (Met(P)), N-methyl-1-aminopropyl-phosphonic acid (Me-Hal(P)), and N,N-dimethyl-1-aminopropylphosphonic acid (Me-2-Hal(P)) in water and aqueous urea solutions were measured within the molality range from (0.5 to 4) mol (U)kg(-1) (H2O) at a temperature of 298.15 K. The results obtained were used to determine the standard enthalpies of solution, whose values were then used to calculate the enthalpic heterogeneous pair (phosphonic amino acid urea) interaction coefficients.

引用

页码：426 / 432

页数：7

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