5 Questions
What does the Kjeldahl method not include in its measurement without modification?
Nitrate
What is added to make the digestion process go faster in the Kjeldahl method?
Catalysts like selenium, Hg2SO4 or CuSO4
What is the Kjeldahl method used for?
Quantitative determination of nitrogen in organic substances and ammonia/ammonium
When is the digestion considered complete in the Kjeldahl method?
When the liquor clarifies with the release of fumes
What is used as a known volume of standard acid at the end of the distillation system in Kjeldahl method?
Sulfuric acid (H2SO4)
Test your knowledge of the Kjeldahl method, a chemical analysis technique used to quantitatively determine nitrogen in organic substances and inorganic compounds like ammonia and ammonium. Learn about its significance in measuring protein content and its limitations in detecting other forms of inorganic nitrogen.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
