Kjeldahl method

== English == === Etymology === Developed by Johan Kjeldahl in 1883. === Proper noun === Kjeldahl method (chemistry) A laboratory method used to determine the amount of nitrogen in organic substances. It works by converting nitrogen into ammonia through digestion, then measuring the ammonia to calculate nitrogen and protein content. It is commonly used in food, fertilizer, soil, and protein analysis. Hypernym: azotometry ==== Related terms ==== Kjeldahl flask