1. Baird, C. Environmental Chemistry; W. H. Freeman: New York, 1995. Chapters 3, 8.
2. Bratsch, S. G. “Electronegativity and the Acid-Base Character of Binary Oxides,” Chem. Educ.
1988, 65, 877–878.
3. Bunce, N. J. Introduction to Environmental Chemistry; Wuerz Publishing: Winnipeg, 1993. Chapter 11.
4. Chiriac, V.; Balea, G. “Buffer Index and Buffer Capacity for a Simple Buffer Solution,” J. Chem. Educ.
1997, 74, 937–939.
5. Eilbeck, W. J.; Mattock, G. Chemical Processes in Waste Water Treatment; Ellis Horwood: Chichister, 1987.