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Multiple ion counting determination of plutonium isotope ratios using multi-collector ICPMS

Multiple ion counting determination of plutonium isotope ratios using multi-collector ICPMS
Multiple ion counting determination of plutonium isotope ratios using multi-collector ICPMS
Sector-field multi-collector inductively coupled plasma mass spectrometers, commonly referred to as MC-ICP-MS, can now be fitted with multiple ion counting detectors in tandem with the array of Faraday detectors. In this paper, for the first time, we utilise such an array to measure plutonium isotopes. The chief advantage of multiple ion counting is that it obviates the need to cycle a number of small ion beams through a single collector, and hence increases the efficiency of ion beam usage. This increase in efficiency, combined with the elimination of effects produced by ion beam instability, makes multi-channel analysis an ideal method for low-level plutonium isotope analysis. Mass bias and inter-detector bias can be corrected using an external standard solution, which can be uranium or plutonium based. Using minimised analytical times and desolvating nebulisation, 240Pu/239Pu can be reproduced to better than 3% 2s with less than 10 fg of Pu.
0267-9477
480-484
Taylor, Rex N.
094be7fd-ef61-4acd-a795-7daba2bc6183
Warneke, Thorsten
707222c7-2f5b-4dec-b43c-4104efb30326
Milton, J. Andrew
9e183221-d0d4-4ddb-aeba-0fdde9d31230
Croudace, Ian W.
24deb068-d096-485e-8a23-a32b7a68afaf
Warwick, Phillip E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
Nesbitt, Robert W.
6a124ad1-4e6d-4407-b92f-592f7fd682e4
Taylor, Rex N.
094be7fd-ef61-4acd-a795-7daba2bc6183
Warneke, Thorsten
707222c7-2f5b-4dec-b43c-4104efb30326
Milton, J. Andrew
9e183221-d0d4-4ddb-aeba-0fdde9d31230
Croudace, Ian W.
24deb068-d096-485e-8a23-a32b7a68afaf
Warwick, Phillip E.
f2675d83-eee2-40c5-b53d-fbe437f401ef
Nesbitt, Robert W.
6a124ad1-4e6d-4407-b92f-592f7fd682e4

Taylor, Rex N., Warneke, Thorsten, Milton, J. Andrew, Croudace, Ian W., Warwick, Phillip E. and Nesbitt, Robert W. (2003) Multiple ion counting determination of plutonium isotope ratios using multi-collector ICPMS. Journal of Analytical Atomic Spectrometry, 18 (5), 480-484. (doi:10.1039/b300432e).

Record type: Article

Abstract

Sector-field multi-collector inductively coupled plasma mass spectrometers, commonly referred to as MC-ICP-MS, can now be fitted with multiple ion counting detectors in tandem with the array of Faraday detectors. In this paper, for the first time, we utilise such an array to measure plutonium isotopes. The chief advantage of multiple ion counting is that it obviates the need to cycle a number of small ion beams through a single collector, and hence increases the efficiency of ion beam usage. This increase in efficiency, combined with the elimination of effects produced by ion beam instability, makes multi-channel analysis an ideal method for low-level plutonium isotope analysis. Mass bias and inter-detector bias can be corrected using an external standard solution, which can be uranium or plutonium based. Using minimised analytical times and desolvating nebulisation, 240Pu/239Pu can be reproduced to better than 3% 2s with less than 10 fg of Pu.

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More information

Published date: 2003

Identifiers

Local EPrints ID: 12626
URI: http://eprints.soton.ac.uk/id/eprint/12626
ISSN: 0267-9477
PURE UUID: 658cc1de-6a47-4825-9b37-e7af4f6b5a39
ORCID for Rex N. Taylor: ORCID iD orcid.org/0000-0002-9367-0294
ORCID for J. Andrew Milton: ORCID iD orcid.org/0000-0003-4245-5532
ORCID for Phillip E. Warwick: ORCID iD orcid.org/0000-0001-8774-5125

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Date deposited: 02 Dec 2004
Last modified: 16 Mar 2024 02:51

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Contributors

Author: Rex N. Taylor ORCID iD
Author: Thorsten Warneke
Author: Ian W. Croudace
Author: Robert W. Nesbitt

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