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Fan W.,Two Three Institute of Nuclear Industry | Hu W.-P.,Two Three Institute of Nuclear Industry | Li Y.-J.,Two Three Institute of Nuclear Industry | Zhang Z.,Two Three Institute of Nuclear Industry | Wang W.,Two Three Institute of Nuclear Industry
Xiandai Huagong/Modern Chemical Industry | Year: 2014

Using ultraviolet light and ozone combined oxidation digestion of water samples, the mass concentration of total nitrogen and total phosphorus are determined by ion chromatography. This method avoids the interference of chemical reagents standard method in absorbance factor and assumes high accuracy, high sensitivity and short time. For the analysis of real samples, the total nitrogen recovery is 95.1%-104.4% and the total phosphorus recovery is 94.5%-105.1%. Ion chromatograph with simple and convenient operation, good selectivity, better correlation and low detection limit can be used for the analysis of total nitrogen and total phosphorus in water. ©, 2014, China National Chemical Information Center. All right reserved. Source

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