Total Kjeldahl Nitrogen

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Total Kjeldahl Nitrogen or TKN is the sum of Organic Nitrogen, NH₃ and NH₄⁺ in biological wastewater treatment.

TKN is determined in the same manner as organic nitrogen, except that the ammonia is not driven off before the digestion step.

It is named after Johan Kjeldahl.

[edit] See also

• Kjeldahl method

[edit] References

• Wastewater Engineering: Treatment and Reuse, MetCalf & Eddy

This chemistry article is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org../../../t/o/t/Total_Kjeldahl_Nitrogen_1d52.html"

Categories: Chemistry stubs | Sewerage | Nitrogen

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• This page was last modified 21:37, 27 March 2007 by Wikipedia user Ozzykhan. Based on work by Wikipedia user(s) Squirepants101 and Shushi2000.
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