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- W2351841499 abstract "Objective To explore to establish a method for urine sample by wet constant temperature digestion coupling with atomic fluorescence spectrometer. Methods After pretreatment with ammonium persulfate constant temperature water bath digestion,atomic fluorescence spectrometer methodology was used to detect lead in urine sample.Under the optimized digestion and detection conditions:urine/ammonium persulfate ratio 1∶1,boiling water bath digestion 1h;NaBH4concentration,1%(w/w)(0.2% NaOH as the alkaline medium),current-carrying,2%HCl. Results Wide linear relationship was achieved in the range of 25-500μg/L with coefficient of 0.999 8and the detection limit was estimated to be0.3μg/L,RSDof six replicate experiment less than 3%,recovery rates of urine sample of 97.8%-107.2%. Conclusion The digestion method is easy to control,the sample pretreatment is simple,the method is precise,rapid and sensitive enough,suitable for application." @default.
- W2351841499 created "2016-06-24" @default.
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- W2351841499 date "2014-01-01" @default.
- W2351841499 modified "2023-09-23" @default.
- W2351841499 title "Determination of Urine Lead Using Ammonium Persulfate Constant Temperature Water Bath Digestion with Atomic Fluorescence Spectrometer Method" @default.
- W2351841499 hasPublicationYear "2014" @default.
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