title:Determination of Nitrate in Soil Extracts by Dual-wavelength Ultraviolet Spectrophotometry name:Richard J. Norman, Jeffrey C. Edberg and Joseph W. Stucki link:http://soil.scijournals.org/cgi/content/abstract/49/5/1182 thank you !
yilai10022009/06/30
[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=157945]Determination of Nitrate in Soil Extracts by Dual-wavelength Ultraviolet Spectrophotometry[/url]
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