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max.yevs

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  1. max.yevs

    Does anyone know an easy way to get calcium carbonate?

    max.yevs replied to mellowyelloe's topic in Chemistry
    some plasters are made with calcium carbonate, although probably not of the purity you need... of course you can always react (almost) any calcium compound with sodium carbonate or bicarbonate... i.e. plaster of paris has 99% calcium sulfate... and then filter out CaCO3 since it has very low solubility... of course idk i would think that you can just replace Na2CO3 for CaCO3 of course there is another way... keep boiling tap water in a kettle or pot, adding more when it almost boils away... you'll find some white deposits, calcium carbonate.

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