Arsenic, A Silent Killer: and Its Biogeochemistry in Groundwater

 
9783845400471: Arsenic, A Silent Killer: and Its Biogeochemistry in Groundwater

Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earth’s crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form.

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Dr. Ratan Kumar Dhar is an Assistant Professor of Earth and Physical Sciences at York College, City University of New York, USA. He earned his Ph.D. from City University of New York. His research interest is to advance the understanding of how biogeochemical factors interact and control the fate and transport of contaminants in natural environment.

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Book Description Book Condition: New. Publisher/Verlag: LAP Lambert Academic Publishing | and Its Biogeochemistry in Groundwater | Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earth s crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form. | Format: Paperback | Language/Sprache: english | 220 pp. Bookseller Inventory # K9783845400471

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Book Description LAP Lambert Acad. Publ. Jul 2011, 2011. Taschenbuch. Book Condition: Neu. Neuware - Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earth s crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form. 220 pp. Englisch. Bookseller Inventory # 9783845400471

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Book Description LAP Lambert Acad. Publ. Jul 2011, 2011. Taschenbuch. Book Condition: Neu. Neuware - Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earth s crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form. 220 pp. Englisch. Bookseller Inventory # 9783845400471

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Book Description LAP Lambert Acad. Publ. Jul 2011, 2011. Taschenbuch. Book Condition: Neu. This item is printed on demand - Print on Demand Neuware - Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earth s crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form. 220 pp. Englisch. Bookseller Inventory # 9783845400471

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Book Description LAP Lambert Academic Publishing, Germany, 2011. Paperback. Book Condition: New. Language: English . Brand New Book. Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earth s crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form. Bookseller Inventory # KNV9783845400471

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Book Description LAP Lambert Academic Publishing. Paperback. Book Condition: New. 220 pages. Dimensions: 8.7in. x 5.9in. x 0.5in.Arsenic is a highly toxic and ubiquitous metalloid dispersed throughout the earths crust. A devastating health crisis has been unfolded in many parts of the world, due to arsenic enrichment, most likely of natural origin, of groundwater used for drinking and cooking. The mobilization of arsenic from aquifer materials usually occurs under reducing conditions and is microbially mediated. In Bangladesh elevated dissolved As concentrations in groundwater were found mostly in the form of inorganic arsenic as arsenite, detected by several analytical techniques including one that uses a modified colorimetric method. However, time series data suggest that variations in groundwater As concentrations were considerably less in comparison to other redox-sensitive elements such as Fe, Mn and S, suggesting that there are significant decoupling between mobilization of As and Fe, Mn. The results from a series of laboratory microcosm experiments using a representative natural sediment sample collected from Araihazar, Bangladesh raised a major concern that irrespective to Fe, Mn reduction, metal reducers can increase As mobility by converting sedimentary As to a more mobilizable and reduced form. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Paperback. Bookseller Inventory # 9783845400471

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