Evaluation of nitrate and trace elements concentration in drinking water:Bottled,tap and well

被引：0
|
作者：
Soheila Mohebali [1 ]
Hamideh Samari Jahromi [1 ]
机构：
[1] Department of Environment and Biolotechnology,Research Institute of Petroleum Industry
来源：
Chinese Journal of Population,Resources and Environment | 2013年 / 02期
关键词：
trace elements; bottled water; tap water; well water; drinking water; nitrate;
D O I：
暂无
中图分类号：
R123.1 [水的卫生标准和水的卫生监测];
学科分类号：
摘要：
Concentrations of nitrate and trace elements such as arsenic,cadmium,chromium,copper,manganese,nickel,lead,selenium,antimony and mercury in 18 different brands of bottled water were investigated.For comparison,samples of tap and well water from three different places of Tehran were also analyzed.UV/VIS spectrophotometer and Graphite Furnace Atomic Absorption Spectrometer were used for the analysis of nitrate and trace elements,respectively.Results obtained were compared to Iranian,World Health Organization(WHO)and Environmental Protection Agency(EPA)guideline for drinking water.Nitrate concentration in bottled,tap and well water samples were in maximum safe nitrate concentration of Iranian and WHO standards.However,70%of bottled water samples and one sample of tap water were below the standard level proposed by EPA and probably remedial action should be taken.Concentration levels of all analyzed elements investigated in all examined water samples were below the maximum contaminant level prescribed by Iranian,WHO and EPA regulations.
引用
收藏
页码：142 / 148
页数：7
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