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The determination of 234Th in marine samples using liquid scintillation spectrometry.

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The determination of 234Th in marine samples using liquid scintillation spectrometry. / Pates, Jackie M.; Cook, Gordon T.; MacKenzie, Angus B. et al.
In: Analytical Chemistry, Vol. 68, No. 21, 01.11.1996, p. 3783-3788.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Pates, JM, Cook, GT, MacKenzie, AB, Anderson, R & Bury, SJ 1996, 'The determination of 234Th in marine samples using liquid scintillation spectrometry.', Analytical Chemistry, vol. 68, no. 21, pp. 3783-3788. https://doi.org/10.1021/ac960503g

APA

Pates, J. M., Cook, G. T., MacKenzie, A. B., Anderson, R., & Bury, S. J. (1996). The determination of 234Th in marine samples using liquid scintillation spectrometry. Analytical Chemistry, 68(21), 3783-3788. https://doi.org/10.1021/ac960503g

Vancouver

Pates JM, Cook GT, MacKenzie AB, Anderson R, Bury SJ. The determination of 234Th in marine samples using liquid scintillation spectrometry. Analytical Chemistry. 1996 Nov 1;68(21):3783-3788. doi: 10.1021/ac960503g

Author

Pates, Jackie M. ; Cook, Gordon T. ; MacKenzie, Angus B. et al. / The determination of 234Th in marine samples using liquid scintillation spectrometry. In: Analytical Chemistry. 1996 ; Vol. 68, No. 21. pp. 3783-3788.

Bibtex

@article{b0079811e5f041b195e5e373611b6f3f,
title = "The determination of 234Th in marine samples using liquid scintillation spectrometry.",
abstract = "A liquid scintillation spectrometry method for the determination of 234Th in seawater with 230Th as the yield tracer has been developed and validated. 234Th is separated from the dissolved phase by an Fe(OH)3 precipitation and is then purified using ion exchange chromatography. The counting source is prepared by taking the sample to dryness in a vial, redissolving in acid, and mixing with a scintillation cocktail. The instrument employed has a relatively low background (11 cpm) and the ability to separate α from β activity on the basis of pulse shapes. The 234Th + 234mPa counting efficiency is 50% over the counting window employed. The limit of detection, using the above parameters, a 20 L sample, and a 400 min count is found to be 0.04 dpm L-1. It was also demonstrated that less advanced instruments, without α/β separation, can also be used effectively.",
author = "Pates, {Jackie M.} and Cook, {Gordon T.} and MacKenzie, {Angus B.} and Robert Anderson and Bury, {Sarah J.}",
year = "1996",
month = nov,
day = "1",
doi = "10.1021/ac960503g",
language = "English",
volume = "68",
pages = "3783--3788",
journal = "Analytical Chemistry",
issn = "0003-2700",
publisher = "American Chemical Society",
number = "21",

}

RIS

TY - JOUR

T1 - The determination of 234Th in marine samples using liquid scintillation spectrometry.

AU - Pates, Jackie M.

AU - Cook, Gordon T.

AU - MacKenzie, Angus B.

AU - Anderson, Robert

AU - Bury, Sarah J.

PY - 1996/11/1

Y1 - 1996/11/1

N2 - A liquid scintillation spectrometry method for the determination of 234Th in seawater with 230Th as the yield tracer has been developed and validated. 234Th is separated from the dissolved phase by an Fe(OH)3 precipitation and is then purified using ion exchange chromatography. The counting source is prepared by taking the sample to dryness in a vial, redissolving in acid, and mixing with a scintillation cocktail. The instrument employed has a relatively low background (11 cpm) and the ability to separate α from β activity on the basis of pulse shapes. The 234Th + 234mPa counting efficiency is 50% over the counting window employed. The limit of detection, using the above parameters, a 20 L sample, and a 400 min count is found to be 0.04 dpm L-1. It was also demonstrated that less advanced instruments, without α/β separation, can also be used effectively.

AB - A liquid scintillation spectrometry method for the determination of 234Th in seawater with 230Th as the yield tracer has been developed and validated. 234Th is separated from the dissolved phase by an Fe(OH)3 precipitation and is then purified using ion exchange chromatography. The counting source is prepared by taking the sample to dryness in a vial, redissolving in acid, and mixing with a scintillation cocktail. The instrument employed has a relatively low background (11 cpm) and the ability to separate α from β activity on the basis of pulse shapes. The 234Th + 234mPa counting efficiency is 50% over the counting window employed. The limit of detection, using the above parameters, a 20 L sample, and a 400 min count is found to be 0.04 dpm L-1. It was also demonstrated that less advanced instruments, without α/β separation, can also be used effectively.

U2 - 10.1021/ac960503g

DO - 10.1021/ac960503g

M3 - Journal article

VL - 68

SP - 3783

EP - 3788

JO - Analytical Chemistry

JF - Analytical Chemistry

SN - 0003-2700

IS - 21

ER -