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镭在大量环境水样中在TK100树脂上的行为。

The behaviour of Ra in high-volume environmental water samples on TK100 resin.

作者信息

van Es E M, Russell B C, Ivanov P, García Miranda M, Read D, Dirks C, Happel S

机构信息

National Physical Laboratory, Hampton Road, Teddington, Middlesex TW11 UK.

Chemistry Department, University of Surrey, Guildford, Surrey GU2 7XH UK.

出版信息

J Radioanal Nucl Chem. 2017;312(1):105-110. doi: 10.1007/s10967-017-5203-4. Epub 2017 Mar 13.

DOI:10.1007/s10967-017-5203-4
PMID:28366971
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5357471/
Abstract

Accurate, low-level measurement of Ra in high volume water samples requires rapid pre-concentration and robust separation techniques prior to measurement in order to comply with discharge limits and drinking water regulations. This study characterises the behaviour of Ra and interfering elements on recently developed TK100 (Triskem International) extraction chromatography resin. Distribution coefficients over a range of acid concentrations are given, along with an optimised procedure that shows rapid pre-concentration and separation of Ra on TK100 resin is achievable for high volume (1 L) water samples without the need for sample pre-treatment.

摘要

要准确、低水平地测量大量水样中的镭，在测量之前需要进行快速预浓缩和可靠的分离技术，以符合排放限值和饮用水法规。本研究对镭和干扰元素在最近开发的TK100（Triskem International）萃取色谱树脂上的行为进行了表征。给出了一系列酸浓度下的分配系数，以及一个优化程序，该程序表明，对于大量（1升）水样，无需进行样品预处理，即可在TK100树脂上实现镭的快速预浓缩和分离。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/b6ba78854ccd/10967_2017_5203_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/ff8246a1a18d/10967_2017_5203_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/fad8ea838ded/10967_2017_5203_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/b6ba78854ccd/10967_2017_5203_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/ff8246a1a18d/10967_2017_5203_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/fad8ea838ded/10967_2017_5203_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/defa/5357471/b6ba78854ccd/10967_2017_5203_Fig3_HTML.jpg

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