Amalgam_probe Amalgam_(chemistry)

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the amalgam probe


mercury salts are, compared mercury metal , amalgams, highly toxic due solubility in water. presence of these salts in water can detected probe uses readiness of mercury ions form amalgam copper. nitric acid solution of salts under investigation applied piece of copper foil, , mercury ions present leave spots of silvery-coloured amalgam. silver ions leave similar spots washed away, making means of distinguishing silver mercury.


the redox reaction involved mercury oxidizes copper is:



hg + cu → hg + cu.






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