首页> 外文期刊>The Journal of Chemical Thermodynamics >Study of the solubility, viscosity and density in Na~+, Zn2~+/Cl~- - H_2O, Na~+ - Zn~(2+) - (H_2PO_2)~- - H_2O, Na~+, Cl~-/(H_2PO_2)~- - H_2O, and Zn~(2+), Cl~-/(H_2PO_2)~- - H_2O ternary systems, and in Na~+, Zn~(2+)/Cl~-, (H_2PO_2)_//H_2O reciprocal quaternary system at 273.15 K
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Study of the solubility, viscosity and density in Na~+, Zn2~+/Cl~- - H_2O, Na~+ - Zn~(2+) - (H_2PO_2)~- - H_2O, Na~+, Cl~-/(H_2PO_2)~- - H_2O, and Zn~(2+), Cl~-/(H_2PO_2)~- - H_2O ternary systems, and in Na~+, Zn~(2+)/Cl~-, (H_2PO_2)_//H_2O reciprocal quaternary system at 273.15 K

机译:在Na〜+,Zn2〜+ / Cl〜--H_2O,Na〜+-Zn〜(2+)-(H_2PO_2)〜--H_2O,Na〜+,Cl〜-/中的溶解度,粘度和密度的研究(H_2PO_2)〜--H_2O和Zn〜(2+),Cl〜-/(H_2PO_2)〜--H_2O三元体系,在Na〜+中,Zn〜(2 +)/ Cl〜-,(H_2PO_2) _ // H_2O倒数四元体系273.15 K

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摘要

The solubility and the physicochemical properties (density, viscosity) in the Na-Zn- Cl-H_2O), (Na + Zn + H_2PO_2 + H_2O), (Na + Cl + H_2PO_2 + H_2O), and (Zn + Cl + H_2PO_2 + H_2O) ternaries, and in Na~+, Zn~(2+)/Cl~-, (H_2PO_2)~-//H_2O reciprocal quaternary systems at T = 273.15 K were investigated by using the isothermal method. The diagrams of ternary salts systems, (NaCl + ZnCl_2 + H_2O), (NaCl + NaH_2PO_2 + H_2O), (NaH_2PO_2 + Zn(H_2PO_2)_2 + H_2O), (ZnCl_2 + Zn(H_2PO_2)_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) (ZnCl_2 + Zn(H_2PO_2)_2 + H_2O), (ii) (NaCl + ZnCl_2 + H_2O), (iii) (NaCl + NaH_2PO_2 + H_2O), (iv) (NaH_2PO_2 + Zn(H_2PO_2)_2 + H_2O) ternary systems the solid phase compositions have been determined as: (i) Zn(H_2PO_2)_2 ? H_2O, Zn(H_2PO_2)_2, ZnCl_2 ? 2H_2O, (ii) NaCl, 2NaCl ? ZnCl_2 ? 2H_2O, and ZnCl_2 ? 2H_2O, (iii) NaCl and NaH_2PO_2 ? H_2O, (iv) Zn(H_2PO_2)_2 ? H_2O and NaH_2PO_2 ? H_2O, respectively. On the other hand reciprocal quaternary system was observed as: ZnCl_2 ? 2H_2O, 2NaCl ? ZnCl_2 ? 2H_2O, Zn(H_2PO_2)_2 ? H_2O, NaH_2PO_2 ? H_2O, NaCl. According to results, the least soluble salt was Zn(H_2PO_2)_2. The crystallization field of this salt, being the largest in comparison with those of other salts, occupied 70% of the general crystallization field.
机译:在(Na-Zn- Cl-H_2O),(Na + Zn + H_2PO_2 + H_2O),(Na + Cl + H_2PO_2 + H_2O)和(Zn + Cl + H_2PO_2 +)中的溶解度和理化性质(密度,粘度)用等温方法研究了H〜(O_2)三元体系,在Na〜+中,Zn〜(2 +)/ Cl〜-,(H_2PO_2)〜-// H_2O倒四元体系的相互关系。绘制了三元盐体系(NaCl + ZnCl_2 + H_2O),(NaCl + NaH_2PO_2 + H_2O),(NaH_2PO_2 + Zn(H_2PO_2)_2 + H_2O),(ZnCl_2 + Zn(H_2PO_2)_2 + H2O)的图。图1-4。但是,互反季盐系统的整个离子在图5中绘制。此外,三元系统的密度和粘度值相对于其相应的重量百分比组成图在图6-10中绘制。在(i)(ZnCl_2 + Zn(H_2PO_2)_2 + H_2O),(ii)(NaCl + ZnCl_2 + H_2O),(iii)(NaCl + NaH_2PO_2 + H_2O),(iv)(NaH_2PO_2 + Zn(H_2PO_2)_2 + H_2O)三元系统的固相组成已确定为:(i)Zn(H_2PO_2)_2? H_2O,Zn(H_2PO_2)_2,ZnCl_2 2H_2O,(ii)NaCl,2NaCl? ZnCl_2? 2H_2O和ZnCl_2? 2H_2O,(iii)NaCl和NaH_2PO_2? H_2O,(iv)Zn(H_2PO_2)_2? H_2O和NaH_2PO_2? H_2O。另一方面,观察到相互的四元体系为:ZnCl_2≤ZnCl_2。 2H_2O,2NaCl ZnCl_2? 2H_2O,Zn(H_2PO_2)_2? H_2O,NaH_2PO_2? H_2O,氯化钠。根据结果​​,最不溶的盐是Zn(H_2PO_2)_2。与其他盐相比,该盐的结晶场最大,占一般结晶场的70%。

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