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    msangela's Avatar
    msangela Posts: 1, Reputation: 1
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    #1

    Feb 27, 2012, 05:50 AM
    Why use nitric acid in the preparation of calcium standards
    Why not use ddeionised water?
    DrBob1's Avatar
    DrBob1 Posts: 425, Reputation: 86
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    #2

    Feb 27, 2012, 09:27 AM
    An acidic medium assures that carbonates (from atmospheric CO2) will not form.

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