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Q: Which of the following methods used to determine the nitrogen?
  • A. Rast method
  • B. Kjeldahl method
  • C. Oxygen flask combustion method
  • D. Cryoscopic method
Correct Answer: Option B - The Kjeldahl method (the industry standard test used to routinely measure the crude protein content by applying a conversion factor to the result. kjeldahl nitrogen determinations are performed on a variety of substances such as meat, feed. grain, waste, soil and many other samples.
B. The Kjeldahl method (the industry standard test used to routinely measure the crude protein content by applying a conversion factor to the result. kjeldahl nitrogen determinations are performed on a variety of substances such as meat, feed. grain, waste, soil and many other samples.

Explanations:

The Kjeldahl method (the industry standard test used to routinely measure the crude protein content by applying a conversion factor to the result. kjeldahl nitrogen determinations are performed on a variety of substances such as meat, feed. grain, waste, soil and many other samples.