References

1. A.D. Eaton, L.S. Clesceri, E.W. Rice, A.E. Greenberg, Standard Methods for Examination of Water and Wastewater, 21st ed., American Public Health Association, USA, 2005.
2. M.E.M. Goher, Chemical Studies on the Precipitation and Dissolution of Some Chemical Elements in Lake Qarun, Ph.D. Thesis, Faculty of Science, Al-Azhar University, Egypt, 2002.