How to measure carbonate ion quantitatively and resolve or isolate it from bicarbonate?

12 April 2021 1 10K Report

I am looking for an alternate method to measure percentage of carbonate impurity from sodium bicarbonate. The specification is

Paul Milham

This is now an old question. What did you do? How satisfactory was it? Vogel's Quantitative Inorganic analysis also has a titration method

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