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Author Topic: N-NH3 and NO2-N  (Read 4588 times)

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FeLiXe

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N-NH3 and NO2-N
« on: August 07, 2006, 11:09:32 PM »

hi, I am supposed to summarize a sewage water directive. It is confusing me why they always write N-NH3 and NO2-N. Does someone know why that is, just to emphasize that it contains nitrogen?

thank you
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Hispania

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Re: N-NH3 and NO2-N
« Reply #1 on: September 03, 2006, 03:15:59 AM »

No, it´s not to emphasize that it contains nitrogen. It´s just to indicate that all analysis must be calculated in mg/l N, not in mg/l NH3 or NO2.
« Last Edit: September 03, 2006, 04:22:26 AM by Hispania »
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FeLiXe

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Re: N-NH3 and NO2-N
« Reply #2 on: September 03, 2006, 05:20:25 AM »

thank you

I'm done with my job already. but it is nice to know.
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