An indicator that describes the total amount of organic nitrogen and ammonium (NH₄⁺) in water and/or wastewater. Expressed in mg/L
Shows the chemical composition of water, which affects its suitability for domestic use, industry and ecosystem stability
A high concentration of Kjeldahl nitrogen indicates the level of organic pollution, can promote eutrophication and lead to oxygen deficiency in water bodies
In occupational health and safety assessments (water quality control)
In water control of industrial facilities (wastewater analysis
In environmental studies (assessment of the condition of water bodies)
