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- W2298611002 abstract "A scheme of analysis for small quantities of atmospheric dust of low radioactivity is presented, involving the addition of entralners followed by chromatography and measurement of the activity of the separated spots. The air is filtered, the dust is washed from the filter with H/sub 2/O and the washings are evaporated to dryness and ignited at 400 to 500 deg C. The weighed residue is evaporated with HF to remove SiC/sub 2/ and dissolved in HCl (and HNO/sub 3/ if necessary). The solution is treated with 50 mu g each of Ce/sup 3//sup +/, La/ sup 3//sup +/ and Zr/sup 3//sup +/ as entrainers of retention and 75 mu g each of Sr/sup 2//sup +/ and Cs/sup +/ as entrainers, and evaporated to 1 ml. An aliquot (0.25 ml) is chromatographed on Whatman No. 3 paper for 18 hr at 20 deg with ethanol-butanol-acetic acid (2:1:1). Two procedures are described for the identification of the isotopes. (auth)" @default.
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- W2298611002 date "1959-01-01" @default.
- W2298611002 modified "2023-10-18" @default.
- W2298611002 title "CHEMICAL AND RADIOCHEMICAL ANALYSIS OF RADIOACTIVE ATMOSPHERIC DUSTS" @default.
- W2298611002 hasPublicationYear "1959" @default.
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