Ammonium determination in soil extracts by the salicylate method
作者:
A.J. Kempers,
A. Zweers,
期刊:
Communications in Soil Science and Plant Analysis
(Taylor Available online 1986)
卷期:
Volume 17,
issue 7
页码: 715-723
ISSN:0010-3624
年代: 1986
DOI:10.1080/00103628609367745
出版商: Taylor & Francis Group
关键词: Ammonium determination;Indophenol blue;Nitrogen determination
数据来源: Taylor
摘要:
An ammonium determination, based on formation of a substituted indophenol with sodiumsalicylate as phenolic reagent, has been reexamined. An increase of 70% in absorbancy compared with existing salicylate methods in soil science, and an increase in reproducibility compared with pre‐existing equivalent methods in other disciplines were obtained. The method can be applied satisfactorily for ammonium in 2M KCl soil extracts and soil and plant digests. The use of salicylate in place of phenol is advised for safety reasons.
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