Sequential diffusion of ammonium and nit
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Peter SΓΈrensen; Erik Steen Jensen
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Article
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1991
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Elsevier Science
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English
β 277 KB
## A novel diffusion method was used for preparation of NHfand NO;-N samples from soil extracts far 15N determination. Ammonium, and nitrate following reduction to ammonia, are allowed to diffuse to an acid-wetted glass filter enclosed in polytetrafluoroethylene tape. The method was evaluated with