Deal with to drink the aquatic arsenic to have to recruit lately

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provenance:Gz YibaoDate Added:2006-03-22

To the residents of the Bengalese country village, drink the water is also a very risky matter.Have several thousand people the cancer that dies in to drink the aquatic arsenic chemical element to cause in several years, but more persons are suffering the molestation of the skin disease that be cause by the arsenic.Still have no currently simple but the cheap method examination use to drink the aquatic arsenic pollution.The Bengalese country government has already acquired the 32,400,000 USDs to subsidize to used for the examination safety of the well water from the bank of world, but because the reason of the government organ add it need the well of water of the examination contain the near ten million it is many but make slow progress.

The existing arsenic content measures the equipments price expensive and operation inconvenience, and some will still produce poisonous of arsenic spirit.But the electric appliances engineer's skin of the American CalTech especially Luo the ¡¤ wears Luo that believes to there will be the solution, that be he research to manufacture then the hold type arsenic measure the instrument.Its size and walkmans are look like, giving out light the diode, two glass tubes, a rightness of lightses electricity diode locator, a piece of LCD manifestation to hold from a rightness of infrared rayses to constitute with a piece of 9 batteries of.

That instrument adopts a kind of traditional method examination arsenic, joining to sour salt of two groundwater kind, if the existence oxidizes the arsenic, the sour salt of will make kind of water become blue.However if imply the phosphoric acid salt in the water, the kind of water also will become blue, so need to be before join sour salt of, join to restore in a water kind, but join the oxidizing agent in another aly.Because sour salt of not rise the reaction with the revivification arsenic, so join kind of water of restore is more shallow than join the water kind color of the oxidizing agent.