skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: A mass spectrometric system for the analysis of noble gases and tritium from water samples

Abstract

The design, setup, and performance of a mass spectrometric system for the analysis of noble gas isotopes ({sup 3}He, {sup 4}He, {sup 20}Ne, {sup 21}Ne, {sup 22}Ne, {sup 36}Ar, {sup 40}Ar, {sup 84}Kr, {sup 136}Xe) and tritium ({sup 3}H) from water samples are described. The {sup 3}H concentration is measured indirectly by the {sup 3}He ingrowth from radioactive decay. After extraction, purification, and separation, the noble gases are measured in two noncommercial double-collector 90{degree} magnetic sector mass spectrometers. The authors present a new approach for the analysis of the heavy noble gas isotopes that enables, in principle, simultaneous measurement of Ar, Kr, and Xe. Typical precisions of the measurements of {sup 3}H, He, Ne, Ar, Kr, and Xe concentrations are {+-}2.7%, {+-}0.3%, {+-}0.9%, {+-}0.3%, {+-}0.8%, and {+-}1.0%, respectively. For the isotopic ratios {sup 3}He/{sup 4}He, {sup 20}Ne/{sup 22}Ne, and {sup 40}Ar/{sup 36}Ar the typical precisions are {+-}0.7%, {+-}0.3%, and {+-}0.2%. These values express the reproducibility of the measurement of an internal freshwater standard and include the overall stability of the system as well as of the extraction procedure. To verify the method, the noble gas concentrations of air-saturated water samples prepared under controlled conditions are compared with noble gas solubilitymore » data. The {sup 20}Ne/{sup 22}Ne and {sup 36}Ar/{sup 40}Ar fractionation during solution is estimated from 70 surface water samples to be {minus}2.0 {+-} 0.2% and {minus}1.3 {+-} 0.2%, respectively.« less

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Swiss Federal Inst. of Tech., Dubendorf (SE)
OSTI Identifier:
20080467
Resource Type:
Journal Article
Journal Name:
Environmental Science and Technology
Additional Journal Information:
Journal Volume: 34; Journal Issue: 10; Other Information: PBD: 15 May 2000; Journal ID: ISSN 0013-936X
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; WATER POLLUTION; ARGON 36; HELIUM 3; HELIUM 4; NEON 21; NEON 22; ARGON 40; KRYPTON 84; XENON 136; TRITIUM; MASS SPECTROSCOPY

Citation Formats

Beyerle, U., Aeschbach-Hertig, W., Imboden, D.M., Baur, H., Graf, T., and Kipfer, R. A mass spectrometric system for the analysis of noble gases and tritium from water samples. United States: N. p., 2000. Web. doi:10.1021/es990840h.
Beyerle, U., Aeschbach-Hertig, W., Imboden, D.M., Baur, H., Graf, T., & Kipfer, R. A mass spectrometric system for the analysis of noble gases and tritium from water samples. United States. doi:10.1021/es990840h.
Beyerle, U., Aeschbach-Hertig, W., Imboden, D.M., Baur, H., Graf, T., and Kipfer, R. Mon . "A mass spectrometric system for the analysis of noble gases and tritium from water samples". United States. doi:10.1021/es990840h.
@article{osti_20080467,
title = {A mass spectrometric system for the analysis of noble gases and tritium from water samples},
author = {Beyerle, U. and Aeschbach-Hertig, W. and Imboden, D.M. and Baur, H. and Graf, T. and Kipfer, R.},
abstractNote = {The design, setup, and performance of a mass spectrometric system for the analysis of noble gas isotopes ({sup 3}He, {sup 4}He, {sup 20}Ne, {sup 21}Ne, {sup 22}Ne, {sup 36}Ar, {sup 40}Ar, {sup 84}Kr, {sup 136}Xe) and tritium ({sup 3}H) from water samples are described. The {sup 3}H concentration is measured indirectly by the {sup 3}He ingrowth from radioactive decay. After extraction, purification, and separation, the noble gases are measured in two noncommercial double-collector 90{degree} magnetic sector mass spectrometers. The authors present a new approach for the analysis of the heavy noble gas isotopes that enables, in principle, simultaneous measurement of Ar, Kr, and Xe. Typical precisions of the measurements of {sup 3}H, He, Ne, Ar, Kr, and Xe concentrations are {+-}2.7%, {+-}0.3%, {+-}0.9%, {+-}0.3%, {+-}0.8%, and {+-}1.0%, respectively. For the isotopic ratios {sup 3}He/{sup 4}He, {sup 20}Ne/{sup 22}Ne, and {sup 40}Ar/{sup 36}Ar the typical precisions are {+-}0.7%, {+-}0.3%, and {+-}0.2%. These values express the reproducibility of the measurement of an internal freshwater standard and include the overall stability of the system as well as of the extraction procedure. To verify the method, the noble gas concentrations of air-saturated water samples prepared under controlled conditions are compared with noble gas solubility data. The {sup 20}Ne/{sup 22}Ne and {sup 36}Ar/{sup 40}Ar fractionation during solution is estimated from 70 surface water samples to be {minus}2.0 {+-} 0.2% and {minus}1.3 {+-} 0.2%, respectively.},
doi = {10.1021/es990840h},
journal = {Environmental Science and Technology},
issn = {0013-936X},
number = 10,
volume = 34,
place = {United States},
year = {2000},
month = {5}
}