Study on arsenic level in ground water of Delhi using hydride generator accessory coupled with atomic absorption spectrophotometer |
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Authors: | Sanjeev Lalwani T D Dogra D N Bhardwaj R K Sharma O P Murty Aarti Vij |
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Institution: | (1) Department of Forensic Medicine, All India Institute of Medical Sciences, Ansari Nagar, 110 029 New Delhi;(2) Dept. of Hospital Administration, All India Institute of Medical Sciences, Ansari Nagar, 110 029 New Delhi;(3) C/o Dr. D.N. Bhardwaj, E-14, AIIMS Ansari Nagar, 110 029 New Delhi, India |
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Abstract: | Surveillance of drinking water is essentially a health measure intended to protect the public from water borne diseases. Hydride
generator accessory coupled with atomic absorption spectrophotometer was used to analyze arsenic level in 49 ground water
samples collected from different areas of Delhi. Arsenic level in ground water samples was in the range of 0.0170 to 0.100
ppm (Mean-0.0431, Standard Deviation-0.0136, Std. error of Mean-0.00194) with minimum concentration at Raney Well No. 7 (0.0170
ppm) and maximum at Kotla Mubarak Pur (0.100 ppm). Arsenic containing sediments and percolation of chemicals into soil as
the result of dumping of garbage rich in chemicals into open landfills could be the possible source of arsenic in ground water
of Delhi. Extensive survey and continuous monitoring is required to be made to assess the magnitude of problem and earlier
intervention. |
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Keywords: | Arsenic ground water hydride generator accessory atomic absorption spectrophotometer |
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