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231222s2002 xx ||||| 00| ||eng c |
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|a pubmed25n0410.xml
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|a (DE-627)NLM123058392
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|a (NLM)12523781
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Yokota, H
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Arsenic contamination in groundwater of Samta, Bangladesh
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1 |
|c 2002
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 11.04.2003
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a In March 1997, we analyzed the water of all tubewells used for drinking in Samta village in the Jessore district, Bangladesh. It has been confirmed from the survey that the arsenic contamination in Samta was one of the worst in the Ganges basin including West Bengal, India. 90% of the tubewells had arsenic concentrations above the Bangladesh standard of 0.05 mg/l. Tubewells with higher arsenic concentrations of over 0.50 mg/l were distributed in the southern area with a belt-like shape from east to west, and the distribution of arsenic concentration showed gradual decreasing toward northern area of the village. In order to examine the characteristics of the arsenic distribution in Samta, we have performed investigations such as: 1) the characteristics of groundwater flow, 2) the distribution of arsenic in the ground, 3) the concentration of arsenic and the other dissolved materials in groundwater, and 4) the distribution of arsenic concentration of trivalence and pentavalence. This paper examines the mechanism of arsenic release to groundwater and explains the above-mentioned characteristics of the arsenic contamination in Samta through the investigations of the survey results for these years
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Soil Pollutants
|2 NLM
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| 650 |
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7 |
|a Water Pollutants
|2 NLM
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| 650 |
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|a Arsenic
|2 NLM
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| 650 |
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|a N712M78A8G
|2 NLM
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| 700 |
1 |
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|a Tanabe, K
|e verfasserin
|4 aut
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1 |
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|a Sezaki, M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yano, Y
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hamabe, K
|e verfasserin
|4 aut
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1 |
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|a Yabuuchi, K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tokunaga, H
|e verfasserin
|4 aut
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|a Asia Arsenic Network. Research Group for Applied Geology. National Institute of Preventative and Social Medicine
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 46(2002), 11-12 vom: 01., Seite 375-80
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:46
|g year:2002
|g number:11-12
|g day:01
|g pages:375-80
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|d 46
|j 2002
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|h 375-80
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