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- W2391291236 abstract "Objective To establish ultrasonic extraction method of 4 anions in soil.Method Extract the 4 anions(F-、Cl-、SO42-and NO3) from soil by ultrasonic wave,purify them by solid phase extraction(SPE) column,analyze quantitatively by ion chromatography(IC),and research the relationship of different extraction solvents(de-ionized water,potassium hydroxide solution and caustic soda solution),temperature(10~50℃),time(10~50 minutes) and frequency(1~5times).Results With de-ionized water as extraction solvent,extracted ultrasonic one time for 30 minutes at 30℃,so as to obtain higher extracting efficiency.Conclusions The method was simple,time and labor saving,and pollution-free." @default.
- W2391291236 created "2016-06-24" @default.
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- W2391291236 date "2013-01-01" @default.
- W2391291236 modified "2023-09-23" @default.
- W2391291236 title "Study on ultrasonic extraction method of 4 anions in soil" @default.
- W2391291236 hasPublicationYear "2013" @default.
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