DETERMINATION OF SOME HEAVY METAL POLLUTANTS IN CONYDORS ESMIAQUILUS AND OREOCHROMIS NILOTICUS SAMPLES

SEMINAR/PROJECT PROPOSAL

DETERMINATION OF SOME HEAVY METAL POLLUTANTS IN CONYDORS ESMIAQUILUS AND OREOCHROMIS NILOTICUS SAMPLES FROM NDIBE BEACH AT AFIKPO NORTH LOCAL GOVERNMENT AREA, EBONYI STATE

CHAPTER ONE

INTRODUCTION / LITERATURE REVIEW

The pollution of the aquatic environment with heavy metal has become a worldwide problem in recent years because they are indestructible and most of them have toxic effect on organisms (Mac Failane and Burchett, 2000)

A pollutant is a substance or energy introduce into the environment that has undesired effects, or adversely affects usefulness of a resource.

Among environmental pollutants, metals are of particular concern; due to its potential toxic effect and ability to bio- accumulate in aquatic ecosystems (Censl et al.2006).

Heavy metals refer to heavy metallic chemical elements that have relatively high density and are toxic or poisonous at low concentration. they have their R.M.M to be >50glmg.

They include essential and non-essential chemical elements such as mercy (Hg) cadmium (Cd) chromium (Cr), copper (Cu), zinc (Zn), lead (Pb) etc.

These heavy metals come in contact with our contact with our bodies via food, drinking water and air. They tend to bio-accumulate increase in concentration in biological cell over time.

AIMS/OBJECTIVES

To determined some heavy metal pollutants in catfish (Conydors semiaquilus) and tilapia (Oreochromis niloticus) samples.
To know the concentration of these heavy metal in the selected catfish and tilapia samples...

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