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Author: Subject: Dissolving cadmium metal in acid?
plante1999
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[*] posted on 20-2-2012 at 17:19


If you neutralise cadmium salt with sodium carbonate you will get cadmium carbonate. Cadmium carbonate is found in nature as Otavite mineral. I'm sure that nobody will say that Otavite need to be neutralised and there is much more octavite on earth than a few grams...



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UnintentionalChaos
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[*] posted on 20-2-2012 at 17:34


Quote: Originally posted by plante1999  
If you neutralise cadmium salt with sodium carbonate you will get cadmium carbonate. Cadmium carbonate is found in nature as Otavite mineral. I'm sure that nobody will say that Otavite need to be neutralised and there is much more octavite on earth than a few grams...


Still irresponsible, as it'll leach readily if it ends up in an acidic environment (like a landfill). The sulfide is significantly more stable.




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LanthanumK
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[*] posted on 21-2-2012 at 06:50


Just simply do not use large amount; one gram or so should be good for small experiments with dissolution, etc. Only use a large amount for synthesis of cadmium compounds.



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