seasonal variations of heavy metals distribution in the sediments of kaduvaiyar estuary, nagapattinam coastal area, tamilnadu, india

In the present investigation the levels of heavy metals were evaluated. In the sediments of Kaduvaiyar estuary, Nagapattinam Coastal area and South East Coast of India In this study, the heavy metals such as Zinc, Copper, lead, Cadmium, Chromium and Iron were analysed in the Sediment samples. The sample analysis was done by microwave assisted digestion and Atomic Absorption Spectro photometer (AAS).