The sum of organic nitrogen, ammonia (NH3), and ammonium (NH4+) in the analysis of soil, water and wastewater. The Kjeldahl method or Kjeldahl digestion in analytical chemistry is a method for the quantitative determination of nitrogen contained in organic substances plus nitrogen contained in the inorganic compounds ammonia (NH3) and ammonium (NH4+).
gwemon
commented
2 years ago
Term name (PrefLabel) - REQUIRED
Total Kjeldahl nitrogen
Alternative label or acronym
TKJ
CAS Registry Number - REQUIRED
n/a
Definition - REQUIRED
The sum of organic nitrogen, ammonia (NH3), and ammonium (NH4+) in the analysis of soil, water and wastewater. The Kjeldahl method or Kjeldahl digestion in analytical chemistry is a method for the quantitative determination of nitrogen contained in organic substances plus nitrogen contained in the inorganic compounds ammonia (NH3) and ammonium (NH4+).
Sources/references - REQUIRED
https://id.eaufrance.fr/par/1319
Mapping to external terminologies - OPTIONAL
ORCID - OPTIONAL