A Comparison of Two Analytical Methods for Measuring Nitrate in Five Types of Soils in China

Xiao Fei Gao; Yang Yang; Jia Qiang Han; Hong Yan Yang

doi:10.4028/www.scientific.net/AMR.233-235.809

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 233-235A Comparison of Two Analytical Methods for...

A Comparison of Two Analytical Methods for Measuring Nitrate in Five Types of Soils in China

Abstract:

Nitrate is one of the major nitrogen forms absorbed by plants. Dual-wavelength Ultraviolet Spectrophotometry (DUS) is a simple, rapid and environmental method to measure soil nitrate. In this study, DUS as well as Phenol Disulfonic Acid Procedure (PDAP) were adopted to analyze nitrate in five types of soils in China. It was showed that the concentrations of soil nitrate determined by DUS were higher than those by PDAP. Meanwhile, these two series of measurements were significantly correlated. Therefore, the DUS is worthy in rapid detection of soil nitrate.

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Periodical:

Advanced Materials Research (Volumes 233-235)

Pages:

809-812

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.233-235.809

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Online since:

May 2011

Authors:

Xiao Fei Gao, Yang Yang, Jia Qiang Han, Hong Yan Yang

Keywords:

Dual-Wavelength Ultraviolet Spectrophotometry, Phenol Disulfonic Acid Procedure, Soil Nitrate Determination

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