Determination of inorganic nitrogen in s
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D. G. Lewis
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Article
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1961
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John Wiley and Sons
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English
β 653 KB
## Abstract Investigations were conducted to find the most suitable conditions for extraction and subsequent determination of nitrate in soils by the xylenol method. Errors were caused by two main factors: (1) When using methods of nitrate analysis based on the formation of highly coloured nitroβc