Vasilios Pergialiotis, Dimitrios Loutradis
Nitrate is a nitrogen oxoanion formed by loss of a proton from nitric acid. It is an important source of nitrogen which is essential for protein formation. Regular levels of nitrate in the environment do not exceed 2-5 mg/L. Fertilizers, herbicides and pesticides increase, however, the amount of nitrate in drinking water. In 2011 the World Health Organization (WHO) has issued a revised document on nitrate and nitrite levels in drinking water to help establish a common guideline that will help countries …