buffer capacity

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A Role for Decaying Leaves in Mitigating the Harmful Effects of Acid Rain

Journal Title, Volume, Page: 
Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology Volume 29, Issue 1
Year of Publication: 
Shukri Khalaf
Chemistry Department, An-Najah National University, Nablus, Palestine
Current Affiliation: 
Department of Chemistry, Faculty of Science, An-Najah National University, Nablus, Palestine
Radi Salim
Chemistry Department, An-Najah National University, Nablus, Palestine
Preferred Abstract (Original): 

Harmful effects of acid rain have been considered a serious problem. In this paper we have studied the ability of several common types of leaves to mitigate the effect of acid rain via the ability of these leaves to act as buffers in water.

The pH of leaf suspensions of cypress, pine, oak, cinchona and ficus leaves has been determined and its variation with time has been followed. The buffer capacities for these leaf suspensions have also been determined at several times over a long period of time. The effect of dilution on this buffer capacity has been studied. The speeds at which the various leaf suspensions adjust their pH value when disturbed have been studied.

The capability of the various leaves studied here to act as a buffer can be arranged in the order:

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