A simplified resorcinol method for direc
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Jia-Zhong Zhang; Charles J. Fischer
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Article
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2006
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Elsevier Science
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English
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A direct, spectrophotometric method has been adapted for quantitative determination of nitrate concentrations in seawater. The method is based on nitration of resorcinol in acidified seawater, resulting in a color product. The absorption spectrum obtained for the reaction product shows a maximum abs