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The Guadalquivir River is the major water source of the south of Spain. In this work, we have selected an area, about 115km long, from Alcala del Rio to the mouth of the river, to study the effects caused by human activities on water quality. The area under study includes several sensible points as the town of Seville, the Guadiamar River (where an important mine spill took place on April 1998) and...
A new method to determine the concentration of copper in seawater has been developed. It was based on the use of a bulk liquid membrane (BLM) system to separate and preconcentrate the copper ions, allowing the use of a very simple and common analytical technique as flame atomic absorption spectroscopy (FAAS). The liquid membrane consisted of an organic solution containing di-(2-ethylhexyl)phosphoric...
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