Yttrium2
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Precipitating metals from metal ions in tap water
How is this done?
I took gen chem 1, but it's been along long time
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Vosoryx
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AFAIK the main two metals in tap water are Ca2+ and Mg2+
Carbonate precipitates both of these. That's the off white crust you often see around taps in areas without good water treatment. (I live on a well,
so it's very prevalent for me.)
I seem to remember it's done by bubbling CO2 through the water... or maybe just adding carbonic acid. I don't think that sodium carbonate is used
though, as that adds a sodium salt which could alter the taste of the water... not 100% on this though.
"Open your mind son, before someone opens it for you." - Dr. Walter Bishop
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phlogiston
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Not precipitation, but ion exchange could be used to extract/concentrate metal ions from tap water.
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"If a rocket goes up, who cares where it comes down, that's not my concern said Wernher von Braun" - Tom Lehrer |
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