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Development of a method for rapid analysis of Ra-226 in groundwater and discharge water samples by ICP-QQQ-MS

Van Es, E., Russell, B.C., Ivanov, P. and Read, D. (2017) Development of a method for rapid analysis of Ra-226 in groundwater and discharge water samples by ICP-QQQ-MS Applied Radiation and Isotope, 126. pp. 31-34.

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Abstract

A novel and rapid method has been developed for pre-concentration and measurement of 226Ra in groundwater and discharge water samples using the latest generation triple quadrupole inductively coupled plasma mass spectrometry (ICP-QQQ-MS). Cation exchange and extraction chromatography are capable of pre-concentration factors of ~200 based on 1 L samples. The sensitivity and interference removal capability of ICP-QQQ-MS was assessed from spiked groundwaters, with the introduction of He collision gas required to minimise instrument background in high-matrix samples. The technique developed is potentially capable of detecting 226Ra activities as low as 5 mBq L−1 when combined with pre-concentration prior to measurement.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemistry
Authors :
NameEmailORCID
Van Es, E.e.vanes@surrey.ac.uk
Russell, B.C.
Ivanov, P.
Read, D.
Date : 20 February 2017
DOI : 10.1016/j.apradiso.2017.02.019
Depositing User : Claudio Svaluto
Date Deposited : 08 Oct 2018 11:52
Last Modified : 02 Nov 2018 13:05
URI: http://epubs.surrey.ac.uk/id/eprint/849603

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