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A Rapid and Sensitive Determination Method for Soil Nitrate Status
Author(s) -
Reynders L.,
Vlassak K.
Publication year - 1981
Publication title -
zeitschrift für pflanzenernährung und bodenkunde
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 87
eISSN - 1522-2624
pISSN - 0044-3263
DOI - 10.1002/jpln.19811440611
Subject(s) - nitrate , chromatography , chemistry , elution , high performance liquid chromatography , ion exchange , soil test , ion chromatography , distillation , environmental chemistry , ion , soil water , environmental science , soil science , organic chemistry
A rapid and sensitive determination method for soil nitrate status is proposed using anion exchange high pressure liquid chromatography. The effect of different extracting solutions and elution‐buffer pH is investigated on the determination of NO 2 and NO 3 in standard solutions and various soil extracts in the concentration range of 0–40 ppm. A high lineair correlation is obtained between results from both the Bremner distillation method (1965) and this anion exchange HPLC‐method when compared on 69 soil samples. The sensitivity, reliability and ease of handling make anion exchange HPLC a valuable method for the determination of soil nitrate.