Measuring delta C-13 of atmospheric air with non-dispersive infrared spectroscopy

F Jager; G Wagner; HAJ Meijer; ERT Kerstel; Frank Jäger

doi:10.1080/10256010500384275

Measuring delta C-13 of atmospheric air with non-dispersive infrared spectroscopy

F Jager^*, G Wagner, HAJ Meijer, ERT Kerstel, Frank Jäger

^*Corresponding author for this work

Isotope Research

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Abstract

The potential use of non-dispersive infrared spectroscopy for measuring delta(13)C in air is demonstrated. This technique has already been successfully established for breath test analyses in medical diagnostics, where the CO2 concentration ranges from 1 to 5 vol.% in the exhaled breath of vertebrates. For breath tests, the sensitivity and accuracy has been improved to reach a standard deviation of 0.2 parts per thousand (delta-value). Further adjustments were necessary to improve the sensitivity of the instrument at concentration levels typical of atmospheric air. The long-term stability is given by a standard deviation of 0.35 parts per thousand for CO2 concentrations of about 400 ppm with signal averaging over 60 s.

Original language	English
Pages (from-to)	373-378
Number of pages	6
Journal	Isotopes in Environmental and Health Studies
Volume	41
Issue number	4
DOIs	https://doi.org/10.1080/10256010500384275
Publication status	Published - Dec-2005
Event	1st International Workshop on Stable Isotope Ratio Infrared Spectrometry (SIRIS) - , Austria Duration: 6-Sept-2004 → 8-Sept-2004

Keywords

breath tests
carbon-13
isotope analysis
non-dispersive infrared spectroscopy (NDIR)
C-13/C-12 ISOTOPE RATIO
LASER SPECTROMETER
STABLE-ISOTOPE
BREATH TEST
CO2
EXCHANGE

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title = "Measuring delta C-13 of atmospheric air with non-dispersive infrared spectroscopy",

abstract = "The potential use of non-dispersive infrared spectroscopy for measuring delta(13)C in air is demonstrated. This technique has already been successfully established for breath test analyses in medical diagnostics, where the CO2 concentration ranges from 1 to 5 vol.\% in the exhaled breath of vertebrates. For breath tests, the sensitivity and accuracy has been improved to reach a standard deviation of 0.2 parts per thousand (delta-value). Further adjustments were necessary to improve the sensitivity of the instrument at concentration levels typical of atmospheric air. The long-term stability is given by a standard deviation of 0.35 parts per thousand for CO2 concentrations of about 400 ppm with signal averaging over 60 s.",

keywords = "breath tests, carbon-13, isotope analysis, non-dispersive infrared spectroscopy (NDIR), C-13/C-12 ISOTOPE RATIO, LASER SPECTROMETER, STABLE-ISOTOPE, BREATH TEST, CO2, EXCHANGE",

author = "F Jager and G Wagner and HAJ Meijer and ERT Kerstel and Frank J{\"a}ger",

year = "2005",

month = dec,

doi = "10.1080/10256010500384275",

language = "English",

volume = "41",

pages = "373--378",

journal = "Isotopes in Environmental and Health Studies",

issn = "1025-6016",

publisher = "Taylor \& Francis Group",

number = "4",

note = "1st International Workshop on Stable Isotope Ratio Infrared Spectrometry (SIRIS) ; Conference date: 06-09-2004 Through 08-09-2004",

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TY - JOUR

T1 - Measuring delta C-13 of atmospheric air with non-dispersive infrared spectroscopy

AU - Jager, F

AU - Wagner, G

AU - Meijer, HAJ

AU - Kerstel, ERT

AU - Jäger, Frank

PY - 2005/12

Y1 - 2005/12

N2 - The potential use of non-dispersive infrared spectroscopy for measuring delta(13)C in air is demonstrated. This technique has already been successfully established for breath test analyses in medical diagnostics, where the CO2 concentration ranges from 1 to 5 vol.% in the exhaled breath of vertebrates. For breath tests, the sensitivity and accuracy has been improved to reach a standard deviation of 0.2 parts per thousand (delta-value). Further adjustments were necessary to improve the sensitivity of the instrument at concentration levels typical of atmospheric air. The long-term stability is given by a standard deviation of 0.35 parts per thousand for CO2 concentrations of about 400 ppm with signal averaging over 60 s.

AB - The potential use of non-dispersive infrared spectroscopy for measuring delta(13)C in air is demonstrated. This technique has already been successfully established for breath test analyses in medical diagnostics, where the CO2 concentration ranges from 1 to 5 vol.% in the exhaled breath of vertebrates. For breath tests, the sensitivity and accuracy has been improved to reach a standard deviation of 0.2 parts per thousand (delta-value). Further adjustments were necessary to improve the sensitivity of the instrument at concentration levels typical of atmospheric air. The long-term stability is given by a standard deviation of 0.35 parts per thousand for CO2 concentrations of about 400 ppm with signal averaging over 60 s.

KW - breath tests

KW - carbon-13

KW - isotope analysis

KW - non-dispersive infrared spectroscopy (NDIR)

KW - C-13/C-12 ISOTOPE RATIO

KW - LASER SPECTROMETER

KW - STABLE-ISOTOPE

KW - BREATH TEST

KW - CO2

KW - EXCHANGE

U2 - 10.1080/10256010500384275

DO - 10.1080/10256010500384275

M3 - Article

SN - 1025-6016

VL - 41

SP - 373

EP - 378

JO - Isotopes in Environmental and Health Studies

JF - Isotopes in Environmental and Health Studies

IS - 4

T2 - 1st International Workshop on Stable Isotope Ratio Infrared Spectrometry (SIRIS)

Y2 - 6 September 2004 through 8 September 2004

ER -

Measuring delta C-13 of atmospheric air with non-dispersive infrared spectroscopy

Abstract

Keywords

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