Kjeldahl method

proper noun

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.

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Meanings

proper noun
  1. chemistryA 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.

Origin

Developed by Johan Kjeldahl in 1883.

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Cite this entry
APA

Kjeldahl method. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Kjeldahl%20method

MLA

“Kjeldahl method.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Kjeldahl%20method. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Kjeldahl method,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Kjeldahl%20method.

Source: Kjeldahl method on Wiktionary, CC BY-SA 4.0.