411 REFERENCE · Wiktionary
Kjeldahl method
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|Kjeldahl's distillation.
Etymology
Developed by Johan Kjeldahl in 1883.
Proper noun
en 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.
en azotometry
Related terms
en Kjeldahl flask
en eponyms