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- W2377453607 abstract "Nitrate nitrogen is one of the main pollutions which lead to eutrophication in seawater.So it's quite important to monitor the concentration of the nitrate nitrogen in seawater quickly and effectively.Using a column filled with pure cadmium,cooperating with FIA and spectrophotometry,a method to determine the nitrate nitrogen in seawater was established.As result,when the diameters of cadmium particles are 2~5 mm,the length of the cadmium column is 10 cm,the residence time is 480 s,the reduction temperature is 20 ℃~35 ℃,and pH is 2.5 to 3.0,the percent reduction can be stabilized at more than 95%.The result is not infected by the coexisting ions in seawater.The measurement range of this method is 0~20.0 μg/mL,and the detection limit is 0.015 μg/mL.The concentration of the nitrate nitrogen in real seawater samples was detected with the method.The RSD is less than 1.5%,and the average recovery is 101.6%.Compared with national standard,the results are similar to each other." @default.
- W2377453607 created "2016-06-24" @default.
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- W2377453607 date "2011-01-01" @default.
- W2377453607 modified "2023-09-26" @default.
- W2377453607 title "Detection of nitrate nitrogen in seawater with cadmium column and spectrophotometry" @default.
- W2377453607 hasPublicationYear "2011" @default.
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