- Kjeldahl's nitrogen
- азот по Кьельдалю
Англо-русский словарь по иммунологии и иммуногенетике. — М.: Русский язык. Сучков С. В. Под ред. акад. Р. В. Петрова. 1990.
Kjeldahl's nitrogen
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Kjeldahl — may refer to:*Johan Kjeldahl (1849 1900), Danish chemist *Kjeldahl method for determining total nitrogen … Wikipedia
Kjeldahl flask — n a round bottomed usu. long necked glass flask for use in digesting the sample in the Kjeldahl method of nitrogen analysis … Medical dictionary
Kjeldahl method — The Kjeldahl method in analytical chemistry is a method for the quantitative determination of nitrogen in chemical substances developed by Johan Kjeldahl during the 1800s. [Julius B. Cohen Practical Organic Chemistry 1910… … Wikipedia
Kjeldahl — Johan G.C., Danish chemist, 1849–1900. See K. apparatus, K. method, macro K. method, micro K. method. * * * Kjel·dahl kel .däl adj of, relating to, or being a method for determining the amount of nitrogen (as in an organic substance) by digesting … Medical dictionary
Kjeldahl , Johan Gustav Christoffer Thorsager — (1849–1900) Danish chemist Kjeldahl, the son of a physician, was born at Jagerpris in Denmark and educated at the Roskilde Gymnasium and the Technical University of Denmark, Copenhagen. After working briefly at the Royal Veterinary and… … Scientists
Kjeldahl-Aufschluss — Schema der Bestimmung Die Kjeldahlsche Stickstoffbestimmung ist eine 1883 entwickelte quantitative, häufig verwendete Bestimmungsmethode des Stickstoffgehaltes. Die Methode wurde nach dem dänischen Chemiker Johan Kjeldahl – Mitarbeiter einer noch … Deutsch Wikipedia
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … Wikipedia
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
kjeldahl — ˈkelˌdäl adjective Usage: usually capitalized Etymology: after Johan G. C. T. Kjeldahl died 1900 Dan. chemist : of, relating to, or being a method for determining the amount of nitrogen (as in an organic substance) by digesting a sample with… … Useful english dictionary
Kjeldahl method — ▪ chemistry in analytical chemistry, procedure widely used for estimating the nitrogen content of foodstuffs, fertilizers, and other substances, invented in 1883 by a Danish chemist, Johan G.C.T. Kjeldahl. The method consists essentially of … Universalium
Kjeldahl method — (1883), a method of determining the amount of nitrogen in an organic compound. It consists in heating the material to be analyzed with strong sulfuric acid. The nitrogen is thereby converted to ammonia, which is distilled off and caught in tenth… … Medical dictionary
