Evaluation of arsenic and its controlling factors in aquifer sands of district Samastipur, Bihar, India
作者： Prosun Bhattacharya , A. L. Ramanathan , M. Kumar
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摘要: A set of 96 water samples from shallow tubewells and 14 sediment Samas- tipur district to know the level arsenic (As) its controlling factors were analyzed. Groundwater collected different depths, a wide range concentrations in 0.19-135 μg L −1 was found. Scanning electron micrograph study sediments shows intense chemi- cal weathering. Present also support reductive dissolution FeOOH triggered by organic matter oxidation as an As mobility factor aquifer sands. community development blocks. The is linked with Budhi Gandak northeast side Ganga southwest side. peneplain, intersected numerous streams like Gandak, Baya Nadi Balan Nadi, etc. southwestern monsoon brings much needed rainfall, nearly 70% precipitation occurs during months July September. mean annual temperature lies between 24-26 °C (Kumar et al., 2010). Seven blocks, affected high con- tent (Dal Singh Sarai, Vidhyapati Nagar, Mohiud- din Mohanpur, Patory, Ujiyarpur, Sarai Ranjan), Samastipur Bihar, selected for proposed research work.
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