Kjeldahl method#Applications

As Total Kjeldahl Nitrogen (total Kjeldahl nitrogen) or TKN is referred to in an analytical sample, the sum of organic nitrogen and ammonium (NH4 ). This value is needed, for example, in the biological waste water treatment.

The TKN was named after the Danish chemist Johan Kjeldahl and is calculated using the Kjeldahlschen nitrogen determination.

  • Wastewater treatment
  • Code ( chemistry)
  • Limnology
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