Is total nitrogen content expected to change post carbonate removal via HCl treatment?

29 April 2014 1 5K Report

Results of pre and post total C and N content analysis showed a marginal decrease in total N, some increases were also observed, whilst some remain unchanged. Most of the variation I have attributed to the instrument (CHN elemental analyser). I have used total N obtained pre HCl treatment for the calculation of C/N ratio.

Maren Oelbermann

No, nothing happens. We did many tests and different concentrations of HCl and we found no effect on total N.

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