Chapter 6.1 Arsenic
arsenic (arsenic (III) oxide) is principally obtained as a by-product in the smelting of copper, lead or gold ores. The arsenic then becomes gaseous and is collected on electrofilters, and serves as a basis for the manufacture of virtually all arsenicals.
Arsenic poisoning is a medical condition that occurs due to elevated levels of arsenic in the body. If arsenic poisoning occurs over a brief period of time, symptoms may include vomiting, abdominal pain, encephalopathy, and watery diarrhea that contains blood.
THE ORIGIN OF ARSENIC IN SOILS AND GROUNDWATER …
· Arsenic content in surface layer (0-25 cm) varies from 0.9 mg/kg soil to almost implausible 490 mg/kg. The reason for the highest content in hydromorphic soils should probably be sought in recent history. It is less probable that the...
Anthropogenic arsenic | Nature Geoscience
Arsenic occurs naturally in the groundwater of southern Asia. Analyses of an agricultural site in Bangladesh suggest that human activities, including widespread farming practices, can dictate ...
Global threat of arsenic in groundwater | Science
· Known areas of groundwater arsenic contamination are generally well captured by the global arsenic prediction map, for example, parts of the …
Arsenic in Food
· Arsenic is a metalloid present naturally in the earth''s crust and is found in trace amounts in rock, soil, water and air. Primary route of human exposure to arsenic is mainly through ingestion of foods, especially aquatic foods containing relatively high levels of arsenic.
The testing results revealed that only slightly elevated arsenic level (i.e. up to 60 mg/kg) was detected along the alignment of Fanling Bypass (i.e. Boreholes FLN-BH10 to FLN-BH22), and this arsenic level has complied with the RBRGs of "Public Park" (73.5 mg/kg
Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, but only the gray
Arsenic in Drinking-water
Arsenic exists in oxidation states of −3, 0, 3 and 5. It is widely distributed throughout Earth''s crust, most often as arsenic sulfide or as metal arsenates and arsenides. In water, it is most likely to be present as arsenate, with an oxidation state of 5, if the water is
Arsenic speciation analysis – emphasis on inorganic arsenic …
Arsenic speciation analysis – emphasis on inorganic arsenic in seafood. Abstract from The 3rd International Conference on Trace Element Speciation in Biomedical, Nutrional and Environmental Sciences, Münich, Germany, .
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