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Instantly extract the solution with numerous portions, Every single of five ml, of dithizone extraction solution, draining off Every single extract into An additional separating funnel, right up until the dithizone extraction Resolution retains its environmentally friendly coloration.Lead acetate pledger or papers are utilized to lure any hydrogen
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The principle relies upon the fact that when a sample is dissolved within an acid, the arsenic impurity present in it will get transformed into arsenic acid based on its valency state.Dithizone is eco-friendly in color in chloroform along with the lead-dithionate elaborate is violet in shade, Hence the resulting colour at the end of the response is
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