We've got a mixture of carbonate salts. It's a buffer, used in fish tanks. How might we go about identifying the components and their concentrations?

I suspect it'd be hard to separate some of this. Is this correct? If so, why?

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    $\begingroup$ How about using the old fashion precipitation and dissolve. Like using AgCl and NH3 solution to tell some of them apart? $\endgroup$ – Yevgraf Andreyevich Zhivago Jun 22 '13 at 7:52
  • $\begingroup$ I was thinking particularly about sodium and potassium carbonates. I don't know how I could differentiate them via precipitation; do you? $\endgroup$ – Ladlestein Jun 22 '13 at 8:17
  • $\begingroup$ As this currently stands, it's better as a comment. Just one question isn't a good answer according to SE standards. $\endgroup$ – M.A.R. ಠ_ಠ Jul 13 '15 at 18:57
  • $\begingroup$ @Jeffrey I have converted your answer to a comment, if it can be extended to fir our format, I'll be happy to undelete it. $\endgroup$ – Martin - マーチン Jul 15 '15 at 4:51

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