Improving the Berthelot Reaction for Determining Ammonium in Soil Extracts and Water

Colorimetric methods based on the Berthelot reaction are used widely for quantitative determination of NH4‐N in biological and environmental samples. Studies to evaluate phenol and salicylate, the most commonly used chromogenic substrates, revealed minor interferences by metallic cations, whereas up...

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Veröffentlicht in:	Soil Science Society of America journal 1998-03, Vol.62 (2), p.473-480
Hauptverfasser:	Rhine, E. D., Mulvaney, R. L., Pratt, E. J., Sims, G. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Ammonium Cations Chemistry Earth sciences Earth, ocean, space Exact sciences and technology Geochemistry Geochemistry: general, methodology, regional studies Organic compounds Phenols Soils Water
Online-Zugang:	Volltext
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