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- W2349671946 abstract "Radionuclides,7Be and 210Pb,are used to calibrate efficiency of HPGe γ spectro-meter system.It has been reported that 7Be and 210Pb in aerosol samples could be extracted and transferred into a solution for preparation of efficiency calibration source through a series of chemical processes.In the present study we investigated the chemical procedures for extraction of 7Be and 210Pb from aerosol filter samples.A muffle was used to burning aerosol filter samples to ashes,and concentrated HF,HNO3,and HClO4 were used to digest ashing sample.Then,7Be and 210Pb in ashing sample can be extracted into the solution.The time is set to 5 h for burning aerosol samples to ashes,and the temperature is 500 ℃.The extraction technique is shown that 7Be and 210Pb in 0.42 g ashing samples can be extracted into the solution completely by digesting more than 5 times." @default.
- W2349671946 created "2016-06-24" @default.
- W2349671946 creator A5090330602 @default.
- W2349671946 date "2010-01-01" @default.
- W2349671946 modified "2023-09-28" @default.
- W2349671946 title "Extraction Technique for ~7Be and ~(210)Pb in Aerosol Samples" @default.
- W2349671946 hasPublicationYear "2010" @default.
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