DOI: 10.1002/rcm.2988. Performance evaluation of elemental analysis/isotope ratio mass spectrometry methods for the determination of the D/H ratio in tetramethylurea and other compounds

Performance evaluation of elemental analysis/isotope ratio mass spectrometry methods for the determination of the D/H ratio in tetramethylurea and other compounds – results of a laboratory inter‐comparison

10.1002/rcm.2988

Crossref journal-article

Wiley

Rapid Communications in Mass Spectrometry (311)

Abstract

AbstractTetramethylurea (TMU) with a certified D/H ratio is the internal standard for Site‐specific Natural Isotope Fractionation measured by Nuclear Magnetic Resonance (SNIF‐NMR®) analysis of wine ethanol for detection of possible adulterations (Commission Regulation 2676/90). A new batch of a TMU certified reference material (CRM) is currently being prepared. Whereas SNIF‐NMR® has been employed up to now, Elemental Analysis/Isotope Ratio Mass Spectrometry (2H‐EA‐IRMS) was envisaged as the method of choice for value assignment of the new CRM, as more precise (better repeatable) data might be obtained, resulting in lower uncertainty of the certified value. In order to evaluate the accuracy and intra‐ and inter‐laboratory reproducibility of 2H‐EA‐IRMS methods, a laboratory inter‐comparison was carried out by analysing TMU and other organic compounds, as well as some waters. The results revealed that experienced laboratories are capable of generating robust and well comparable data, which highlights the emerging potential of IRMS in food authenticity testing. However, a systematic bias between IRMS and SNIF‐NMR® reference data was observed for TMU; this lack of data consistency rules out the 2H‐IRMS technique for the characterisation measurement of the new TMU CRM. Copyright © 2007 John Wiley & Sons, Ltd.

Bibliography

BrÃ©as, O., Thomas, F., Zeleny, R., Calderone, G., Jamin, E., & Guillou, C. (2007). Performance evaluation of elemental analysis/isotope ratio mass spectrometry methods for the determination of the D/H ratio in tetramethylurea and other compounds â results of a laboratory interâcomparison. Rapid Communications in Mass Spectrometry, 21(10), 1555â1560. Portico.

Authors 6

Olivier Bréas (first)
Freddy Thomas (additional)
Reinhard Zeleny (additional)
Giovanni Calderone (additional)
Eric Jamin (additional)
Claude Guillou (additional)

References 8 Referenced 10

{'key': 'e_1_2_6_2_2', 'first-page': '1', 'article-title': 'Commission Regulation (EEC) No. 2676/90 of 17 September 1990 determining Community methods for the analysis of wine', 'volume': '272', 'year': '1990', 'journal-title': 'Off. J. Eur. Communities'} / Off. J. Eur. Communities / Commission Regulation (EEC) No. 2676/90 of 17 September 1990 determining Community methods for the analysis of wine (1990)
{'key': 'e_1_2_6_3_2', 'first-page': '16', 'article-title': 'Commission Regulation (EC) No. 2729/2000 of 14 December 2000 laying down detailed implementing rules on controls in the wine sector', 'volume': '316', 'year': '2000', 'journal-title': 'Off. J. Eur. Communities'} / Off. J. Eur. Communities / Commission Regulation (EC) No. 2729/2000 of 14 December 2000 laying down detailed implementing rules on controls in the wine sector (2000)
GuillouC MartinM.1993.EUR 14396 EN.
10.1002/rcm.2393
10.1093/jaoac/78.5.143A / J. AOAC Int. by AOAC (1995)
10.1002/jms.1168
10.1351/pac199567020331
10.1007/BF00472661

Dates

Type	When
Created	18 years, 4 months ago (April 12, 2007, 3:18 a.m.)
Deposited	1 year, 10 months ago (Oct. 7, 2023, 4:06 a.m.)
Indexed	11 months, 3 weeks ago (Sept. 15, 2024, 9:20 a.m.)
Issued	18 years, 4 months ago (April 12, 2007)
Published	18 years, 4 months ago (April 12, 2007)
Published Online	18 years, 4 months ago (April 12, 2007)
Published Print	18 years, 3 months ago (May 30, 2007)

Funders 0

None

BibTeX

@article{Br_as_2007, title={Performance evaluation of elemental analysis/isotope ratio mass spectrometry methods for the determination of the D/H ratio in tetramethylurea and other compounds – results of a laboratory inter‐comparison}, volume={21}, ISSN={1097-0231}, url={http://dx.doi.org/10.1002/rcm.2988}, DOI={10.1002/rcm.2988}, number={10}, journal={Rapid Communications in Mass Spectrometry}, publisher={Wiley}, author={Bréas, Olivier and Thomas, Freddy and Zeleny, Reinhard and Calderone, Giovanni and Jamin, Eric and Guillou, Claude}, year={2007}, month=apr, pages={1555–1560} }

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