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Total Kjeldahi nitrogen is a measure of
- a)total organic nitrogen
- b)total organic and ammonia nitrogen
- c)total ammonia nitrogen
- d)total inorganic and ammonia nitrogen
Correct answer is option 'B'. Can you explain this answer?
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Total Kjeldahi nitrogen is a measure ofa)total organic nitrogenb)total...
Introduction:
Total Kjeldahl nitrogen (TKN) is a measurement that quantifies the amount of organic and ammonia nitrogen present in a sample. It is an important parameter in environmental and agricultural analysis as it provides information about the total nitrogen content, which is crucial for understanding nutrient availability and pollution levels.
Explanation:
The correct answer to this question is option 'B' - total organic and ammonia nitrogen. Let's break down the options and understand why option 'B' is the correct choice.
a) Total organic nitrogen:
- Organic nitrogen refers to the nitrogen present in organic compounds such as proteins, nucleic acids, and amino acids.
- TKN analysis includes the determination of organic nitrogen content, but it also includes other forms of nitrogen.
- Therefore, option 'a' is incorrect as it only refers to organic nitrogen and does not include ammonia nitrogen.
b) Total organic and ammonia nitrogen:
- This option correctly states that TKN measurement includes both organic and ammonia nitrogen.
- Ammonia nitrogen refers to the nitrogen present in the form of ammonia (NH3) or ammonium (NH4+).
- Ammonia nitrogen can be derived from both organic and inorganic sources, making it a vital component of TKN analysis.
- By including both organic and ammonia nitrogen, TKN provides a comprehensive measurement of the total nitrogen content.
- Therefore, option 'b' is the correct answer.
c) Total ammonia nitrogen:
- Option 'c' is incorrect because it only considers ammonia nitrogen and does not include organic nitrogen.
- TKN analysis is more inclusive and covers both organic and ammonia nitrogen.
d) Total inorganic and ammonia nitrogen:
- Option 'd' is incorrect as it mentions inorganic nitrogen, which is not included in TKN analysis.
- TKN focuses on organic and ammonia nitrogen and does not consider inorganic nitrogen separately.
Conclusion:
Total Kjeldahl nitrogen (TKN) measurement is a comprehensive analysis that quantifies the amount of organic and ammonia nitrogen in a sample. It is crucial for understanding nutrient availability and pollution levels in environmental and agricultural contexts. Option 'B' - total organic and ammonia nitrogen correctly represents the components included in TKN analysis.
Total Kjeldahl nitrogen (TKN) is a measurement that quantifies the amount of organic and ammonia nitrogen present in a sample. It is an important parameter in environmental and agricultural analysis as it provides information about the total nitrogen content, which is crucial for understanding nutrient availability and pollution levels.
Explanation:
The correct answer to this question is option 'B' - total organic and ammonia nitrogen. Let's break down the options and understand why option 'B' is the correct choice.
a) Total organic nitrogen:
- Organic nitrogen refers to the nitrogen present in organic compounds such as proteins, nucleic acids, and amino acids.
- TKN analysis includes the determination of organic nitrogen content, but it also includes other forms of nitrogen.
- Therefore, option 'a' is incorrect as it only refers to organic nitrogen and does not include ammonia nitrogen.
b) Total organic and ammonia nitrogen:
- This option correctly states that TKN measurement includes both organic and ammonia nitrogen.
- Ammonia nitrogen refers to the nitrogen present in the form of ammonia (NH3) or ammonium (NH4+).
- Ammonia nitrogen can be derived from both organic and inorganic sources, making it a vital component of TKN analysis.
- By including both organic and ammonia nitrogen, TKN provides a comprehensive measurement of the total nitrogen content.
- Therefore, option 'b' is the correct answer.
c) Total ammonia nitrogen:
- Option 'c' is incorrect because it only considers ammonia nitrogen and does not include organic nitrogen.
- TKN analysis is more inclusive and covers both organic and ammonia nitrogen.
d) Total inorganic and ammonia nitrogen:
- Option 'd' is incorrect as it mentions inorganic nitrogen, which is not included in TKN analysis.
- TKN focuses on organic and ammonia nitrogen and does not consider inorganic nitrogen separately.
Conclusion:
Total Kjeldahl nitrogen (TKN) measurement is a comprehensive analysis that quantifies the amount of organic and ammonia nitrogen in a sample. It is crucial for understanding nutrient availability and pollution levels in environmental and agricultural contexts. Option 'B' - total organic and ammonia nitrogen correctly represents the components included in TKN analysis.
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Total Kjeldahi nitrogen is a measure ofa)total organic nitrogenb)total organic and ammonia nitrogenc)total ammonia nitrogend)total inorganic and ammonia nitrogenCorrect answer is option 'B'. Can you explain this answer?
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