@book{36bd07b3977140c4bdbcb963c4deea90,
title = "Determination of 99Tc in Environmental Samples by Anion Exchange",
abstract = "The chemical yield of technetium by an anion exchange (AG 1-X4) procedure is determined under different conditions from 200 liters sea water. A new method for collecting 99Tc from 200-400 liters sea water has been developed by anion exchange. The evaporation rates of RuO4 and TcO-4 are determined at 100°C in 0.1 N H2SO4. A higher decontamination factor 2.S x105 - 2.4 x 107 for ruthenium is obtained by evaporating the RuO4 at 100°C in 0.1 N H2SO4. The ruthenium is oxidized to RuO-4 with NaClO at pH = 9. Fe(OH)3 scavenging, AgCl precipitation and 5% TIOA/xylene extraction at controlled valence are used for decontamination of ruthenium, 110mAg and other nuclides. The chemical yield of technetium-99 in the procedure is about 70%.",
keywords = "Ris{\o}-M-2739",
author = "Q.J. Chen and A. Aarkrog and H. Dahlgaard and Nielsen, {Sven Poul} and H.L. Jensen and J. Bruun and {Holm Pedersen}, A. and K. Mandrup",
year = "1988",
language = "English",
isbn = "87-550-1456-9",
series = "Ris{\o}-M",
number = "2739",
publisher = "Ris{\o} National Laboratory",
}