- 作者: Azab, H. A. ; Hassan, Ahmed
- 作者服務機構: Chemistry Dept., Assiut Univ., Assiut, Egypt
- 中文摘要:
The secondary dissociation constants of.sigma.-phthalic and phosphoric acids have been determined in 50% w/w methanol-water mixture from the e.m.f. measurements of the cell of the type: Pt;H/sub 2/(1 atm), M/sub 2/A(m), MHA(m), MCl, AgCl; Ag at different temperatures(288.15-308.15K) and at different ionic strengths.
The thermodynamic values .delta.G/sup 0/,.delta.H/sup 0/, .delta.S/sup 0/ for the respective equilibria are estimated. The possibility of using these acids as basis for some buffer solutions in 50% methanol-water mixture is discussed. - 英文摘要: --
- 中文關鍵字: .Sigma.-Phthalic Acid; Phosphoric Acids; Secondary Dissociation Constants; Methanol-Water Mixture; Thermodynamic Values
- 英文關鍵字: 鄰苯二酸;磷酸;第二解離常數;甲醇-水混合物;熱力學參數