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• n  a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
• n  a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar

• In Florida alone, nearly 30,000 tons of arsenic are believed to be at large.
• In 1878 Louis Danval, a pharmacist at Paris was convicted of poisoning his wife with arsenic, after a quarrel.
• An apparent cure of a case of bone cancer by means of arsenic warranted reporting in the current issue of the Canadian Medical Association Journal.

• arsenic trioxide
• arsenous anhydride
• arsenous oxide
• white arsenic
• ratsbane
• As
• atomic number 33

News & Articles

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• Toxic site in Manteca neighborhood
  Manteca has a toxic waste site laden with arsenic in the middle of a neighborhood.
  June 21, 2013 - The Manteca Bulletin
• Texas woman who killed boss with arsenic released
  WICHITA FALLS, Texas (AP) — A North Texas woman convicted in the arsenic poisoning death of her millionaire boss has been released from prison. The Texas Department of Criminal Justice says Debra Lynn Baker was released Thursday after spending a decade behind bars. But that was for parole violations. In 1994 she was convicted of killing Clay County racehorse owner Jerry Sternadel -- but ...
  June 20, 2013 - WFAA Dallas-Fort Worth
• Woman who killed boss with arsenic to be released
  A North Texas woman convicted in the arsenic poisoning death of her millionaire boss is set to be released from prison.
  June 20, 2013 - FOX 4 News Dallas - Fort Worth

Quotes

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• Alexander Pete Grannis in Capital News 9
  This is a public health and safety issue,said DEC Commissioner Pete Grannis. "The trash we are burning has become more complicated and damaging to air quality over the decades. From dioxins to furans to arsenic, numerous toxic chemicals...
• Colin Pillinger in Times Online
  Colin Pillinger, who led the Beagle 2 Mars landing mission, said: "I prefer to deal in scientific fact - this is wildly science fiction. You'd be off your trolley to go searching for arsenic-based life."
• Andrew McNamara in Sydney Morning Herald
  It will provide continuous, near real time monitoring and reporting of up to 20 elements including lead, zinc, cadmium, copper and arsenic,Mr McNamara said.