Foreign ions

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A Role for Decaying Leaves in Mitigating the Harmful Effects of Acid Rain: Effects of Acidity, Foreign Ions, ‎Concentration of Leaves and Location

Journal Title, Volume, Page: 
Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology Volume 29, Issue 3
Year of Publication: 
1994
Authors: 
Shukri Khalafa
Chemistry Department, Faculty of Science, An-Najah National University, Nablus, Palestine
Current Affiliation: 
Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine
Radi Salima
Chemistry Department, Faculty of Science, An-Najah National University, Nablus, Palestine
Preferred Abstract (Original): 

Decaying leaves have been found capable of resisting the effects of acid rain via their ability to buffer water.

In a previous study the buffering action of five common types of leaves (cypress, oak, pine, cinchona and ficus) was investigated. In the present study the effects of several factors on the buffering ability of these leaves have been studied. These factors are acidity, presence of foreign ions, concentration of leaves and location.

The studied factors have been found not to affect the pattern of variation of pH of the leaf suspensions with time but to affect the pH value reached by these suspensions.

Ficus leaves have shown a distinct copability of neutralizing acidic waters.

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