Kjeldahl analysis
https://www.velp.com/en-us/kjeldahl-analysis.aspx TKN in Environmental Analysis Total Kjeldahl nitrogen (TKN) is the sum of organic nitrogen, ammonia (NH3), and ammonium (NH4+) in the chemical analysis of soil, water and wastewater. ... Today, Total Kjeldahl Nitrogen is a required parameter for regulatory reporting at many water treatment plants. 2. ... Distillation Adding an [...]Related searches to: water distiller