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A study of iodine loss during the preparation and analysis of samples using I-131 tracer and neutron-activation analysis
Hou XL(侯小琳); Feng XQ(冯向前); Qian QF(钱琴芳); Chai ZF(柴之芳); Hou, XL; Feng, XQ; Qian, QF; Chai, CF
1998
发表期刊ANALYST
卷号123期号:10页码:2209-2213
通讯作者Risoe Natl Lab, DK-4000 Roskilde, Denmark ; Acad Sinica, Inst High Energy Phys, Beijing 100080, Peoples R China
文章类型Article
摘要The recoveries of various species of iodine, such as I-, IO3- and organic iodine, in the procedures of acid digestion, ashing, freeze-drying, evaporation drying and neutron irradiation were studied using I-131 tracer and instrumental neutron activation analysis. The recoveries of iodine were over 99% after drying at room temperature and 60-80 degrees C for various iodine species in all kinds of media. The organic iodine in various media, I- and IO3- in biological materials and IO3- in alkaline solution were not lost after freeze-drying, whereas I- in aqueous solution and IO3- in acidic and neutral solution were significantly lost. The recoveries of iodine were different under various acid digestion conditions. Under the optimum conditions, more than 96% of iodine remained in the digestion solution. With ashing, the recovery of iodine was less than 2%. Addition of alkali to the samples can significantly improve the iodine recovery, but the ashing is incomplete in this case. Only 90% of iodine was recovered using alkali ashing at 650 degrees C. Neutron irradiation did not cause any loss of iodine.
学科领域Chemistry
研究领域[WOS]Chemistry ; Chemistry
DOI10.1039/a805853i
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语种英语
研究领域[WOS]Chemistry ; Chemistry
WOS类目Chemistry, Analytical
WOS记录号WOS:000076453400049
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239684
专题院士
作者单位中国科学院高能物理研究所
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Hou XL,Feng XQ,Qian QF,et al. A study of iodine loss during the preparation and analysis of samples using I-131 tracer and neutron-activation analysis[J]. ANALYST,1998,123(10):2209-2213.
APA 侯小琳.,冯向前.,钱琴芳.,柴之芳.,Hou, XL.,...&Chai, CF.(1998).A study of iodine loss during the preparation and analysis of samples using I-131 tracer and neutron-activation analysis.ANALYST,123(10),2209-2213.
MLA 侯小琳,et al."A study of iodine loss during the preparation and analysis of samples using I-131 tracer and neutron-activation analysis".ANALYST 123.10(1998):2209-2213.
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