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Browsing by Author "Alisoglu, Vahit"

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    Study of the Solubility in Na-Ba Na-Ba Na-Cl and Ba-Cl Ternaries, and in Na+, Ba2+ (h2po2)- Reciprocal Quaternary System at 0°c
    (Elsevier Science Bv, 2013) Erge, Hasan; Adiguzel, Vedat; Alisoglu, Vahit
    The solubility and the physicochemical properties (density and conductivity) in the Na-Ba-Cl-H2O, Na-Ba-H2PO2-H2O, Na-Cl-H2PO2-H2O, and Ba-Cl-H2PO2-H2O ternaries, and in Na+, Ba2+/Cl-, (H2PO2)(-)//H2O reciprocal quaternary systems at 0 degrees C were investigated using the isothermal method. Two invariant point were determined in Na+, Ba2+/Cl-, (H2PO2)(-)//H2O reciprocal quaternary system. The composition of invariant point of the first (as a weight) was determined as fallowing; 15.03% mass NaCl, 12.36% mass BaCl2, 2.86% mass Ba(H2PO2)(2), and 69.75% mass H2O. It was plotted that the liquid phase and the following three solid phases were in equilibrium at the invariant point at 0 degrees C. These are NaCl, BaCl2 center dot H2O, Ba(H2PO2)(2)center dot H2O. As for the composition of the second invariant point (as a weight) was determined as follows: 1.06% mass NaCl, 43.98% mass NaH2PO2, 0.51% mass Ba(H2PO2)(2), 54.45% mass H2O. It was determined that the liquid phase and the following three solid phases were in equilibrium at the invariant point at 0 degrees C. These are NaCl, NaH2PO2 center dot H2O, Ba(H2PO2)(2)center dot H2O. According to results, the least soluble salt was Ba(H2PO2)(2). The crystallization field of this salt, being the largest in comparison with those of other salts, occupied 82% of the general crystallization field. (C) 2013 Elsevier B.V. All rights reserved.
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    Study of the Solubility, Viscosity and Density in Na+, Zn2+ - H2o, Na+ - Zn2+ - (h2po2)- - H2o, Na+, Cl- - H2o, and Zn2+, Cl- - H2o Ternary Systems, and in Na+, Zn2+ (h2po2)- Reciprocal Quaternary System at 273.15 K
    (Academic Press Ltd- Elsevier Science Ltd, 2014) Adiguzel, Vedat; Erge, Hasan; Alisoglu, Vahit; Necefoglu, Hacali
    The solubility and the physicochemical properties (density, viscosity) in the Na-Zn- Cl-H2O), (Na + Zn + H2PO2 + H2O), (Na + Cl + H2PO2 + H2O), and (Zn + Cl + H2PO2 + H2O) ternaries, and in Na+, Zn2+/Cl-, (H2PO2)(-)//H2O reciprocal quaternary systems at T = 273.15 K were investigated by using the isothermal method. The diagrams of ternary salts systems, (NaCl + ZnCl2 + H2O), (NaCl + NaH2PO2 + H2O), (NaH2PO2 + Zn(H2PO2)(2) + H2O), (ZnCl2 + Zn(H2PO2)(2) + H2O), are plotted in figures 1-4. However, whole ions of reciprocal quaternary salt systems are plotted in figure 5. Additionally, the density and viscosity values of ternary systems vs. their corresponding composition values in weight per cent are plotted in figures 6-10. At the (i) (ZnCl2 + Zn(H2PO2)(2) + H2O), (ii) (NaCl + ZnCl2 + H2O), (iii) (NaCl + NaH2PO2 + H2O), (iv) (NaH2PO2 + Zn(H2PO2)(2) + H2O) ternary systems the solid phase compositions have been determined as: (i) Zn(H2PO2)(2) center dot H2O, Zn(H2PO2)(2), ZnCl2 center dot 2H(2)O, (ii) NaCl, 2NaCl center dot ZnCl2 center dot 2H(2)O, and ZnCl2 center dot 2H(2)O, (iii) NaCl and NaH2PO2 center dot H2O, (iv) Zn(H2PO2)(2) center dot H2O and NaH2PO2 center dot H2O, respectively. On the other hand reciprocal quaternary system was observed as: ZnCl2 center dot 2H(2)O, 2NaCl center dot ZnCl2 center dot 2H(2)O, Zn(H2PO2)(2) center dot H2O, NaH2PO(2) center dot H2O, NaCl. According to results, the least soluble salt was Zn(H2PO2)(2). The crystallization field of this salt, being the largest in comparison with those of other salts, occupied 70% of the general crystallization field. (C) 2014 Elsevier Ltd. All rights reserved.