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Research Article Open Access
Determination of heavy metals up to trace level concentrations with high accuracy and precision is one of the most important concern of the analytical methodology. Number of techniques like ICP-OES, ICP-MS, AAS, Cyclic Voltammetery and UV-Visible Spectrophotometer is employed for the determination of heavy metals in water. Inductively Coupled Plasma- Optical Emission Spectrometer (ICP-OES) is one of the most widely using technique for determination of multi-elements in various environmental matrices in single aspiration. In the present study an attempt has been made to know the concentration of eight heavy metals in ground water of coastal area of SPSR Nellore District, Andhra Pradesh. For this study 35 villages are selected in coastal area of SPSR Nellore district and ground water samples are collected in the selected villages in which the public are using for drinking purpose and subjected to analysis for eight heavy metals like Arsenic (As), Nickel (Ni), Chromium (Cr), Lead (Pb), Cobalt (Co), Selenium (Se), Mercury (Hg) and Cadmium (Cd) by using ICP-OES technique. The concentration levels of these eight heavy metals in the study area are summarized, discussed and compared with drinking water quality standards given by the Indian Standards (IS : 10500) and World Health Organization (WHO), 4th edition in 2011.