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- W4236188829 abstract "In this work, measurements of U and Ra isotopes in water samples from the Guadalquivir river (Southern Spain) are presented. Uranium and Radium were extracted by using a sequential extraction method. It consisted of a first precipitation of Ba(Ra) sulphate and a subsequent U extraction by using anion exchange resins (Dowex AG1x8 HCI form). Uranium isotopes activities were measured by ion-implanted a spectrometry while radium isotopes were determined by gas flow proportional counting. Levels of U ranged from 1 to 3 µg.l-1 and 234U/238U activities ratios ranged from 1.23 ± 0.11 to 1.38 ± 0.1, while levels from 2 to 20 mBq.l-1 for 226Ra were obtained." @default.
- W4236188829 created "2022-05-12" @default.
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- W4236188829 date "1992-12-01" @default.
- W4236188829 modified "2023-09-25" @default.
- W4236188829 title "Uranium and Radium Isotopes in the Guadalquivir River, Southern Spain" @default.
- W4236188829 doi "https://doi.org/10.1093/oxfordjournals.rpd.a081536" @default.
- W4236188829 hasPublicationYear "1992" @default.
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