Is it possible and/or recommendable to exchange the sulphuric acid (H2SO4) in the first part (digestion) of the Kjeldhal method with HCl?

We are trying to analyse the nitrogen content in soil, and we are trying to use the Kjeldhal method. Yet we are running into problems with the heating (due to insufficient equipment) and therefore...

06 June 2018 4,799 8 View