Natural inorganic silver grey or white brittle
odourless and tasteless metal.
GroupV element in periodic table
20th position for its abundance in the earth’s
crust, 14th in sea water and 12th in human
Mining, glass processing and landfill leaching
Semiconductor applications, solar cells and
opto- electronic devices
Soil sterilizers, glassware
production, polymerisation of unsaturated
Distributed in air, soil and water.
Foods such as meat, fish, poultry, grain and
Arsenic occurs in groundwater as oxidised
forms (As (III)) and reduced forms (As (V)).
Arsenic sulfide, arsenic rich pyrite and arsenic
rich iron oxyhydrides
preservatives, industrial waste
disposal, mining and mineral processing, acid
mine drainage and burning of fossil fuels.
Acute Health Effects: vomiting, abdominal
pain and diarrhoea.
Long term exposure: pigmentation
changes, skin lesions, hard patches on the
palms and soles of the feet
effects, neurotoxicity, diabetes and