Brand WA - Search Results

1

Continuous flow 2H/1H and 18O/16O analysis of water samples with dual inlet precision.

Gehre M, Geilmann H, Richter J, Werner RA, Brand WA. Gehre M, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2004;18(22):2650-60. doi: 10.1002/rcm.1672. Rapid Commun Mass Spectrom. 2004. PMID: 15481101

2

Novel silver-tubing method for quantitative introduction of water into high-temperature conversion systems for stable hydrogen and oxygen isotopic measurements.

Qi H, Gröning M, Coplen TB, Buck B, Mroczkowski SJ, Brand WA, Geilmann H, Gehre M. Qi H, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2010 Jul 15;24(13):1821-7. doi: 10.1002/rcm.4559. Rapid Commun Mass Spectrom. 2010. PMID: 20533311

3

Isotopic disproportionation during hydrogen isotopic analysis of nitrogen-bearing organic compounds.

Nair S, Geilmann H, Coplen TB, Qi H, Gehre M, Schimmelmann A, Brand WA. Nair S, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2015 May 15;29(9):878-84. doi: 10.1002/rcm.7174. Rapid Commun Mass Spectrom. 2015. PMID: 26377016

4

Optimization of on-line hydrogen stable isotope ratio measurements of halogen- and sulfur-bearing organic compounds using elemental analyzer-chromium/high-temperature conversion isotope ratio mass spectrometry (EA-Cr/HTC-IRMS).

Gehre M, Renpenning J, Geilmann H, Qi H, Coplen TB, Kümmel S, Ivdra N, Brand WA, Schimmelmann A. Gehre M, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2017 Mar 30;31(6):475-484. doi: 10.1002/rcm.7810. Rapid Commun Mass Spectrom. 2017. PMID: 27984667

5

Referencing strategies and techniques in stable isotope ratio analysis.

Werner RA, Brand WA. Werner RA, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2001;15(7):501-19. doi: 10.1002/rcm.258. Rapid Commun Mass Spectrom. 2001. PMID: 11268135 Review.

6

Extraction of CO2 from air samples for isotopic analysis and limits to ultra high precision delta18O determination in CO2 gas.

Werner RA, Rothe M, Brand WA. Werner RA, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2001;15(22):2152-67. doi: 10.1002/rcm.487. Rapid Commun Mass Spectrom. 2001. PMID: 11746880

7

How well do we know VPDB? Variability of delta13C and delta18O in CO2 generated from NBS19-calcite.

Brand WA, Huang L, Mukai H, Chivulescu A, Richter JM, Rothe M. Brand WA, et al. Rapid Commun Mass Spectrom. 2009 Mar;23(6):915-26. doi: 10.1002/rcm.3940. Rapid Commun Mass Spectrom. 2009. PMID: 19222031

8

Comprehensive inter-laboratory calibration of reference materials for delta18O versus VSMOW using various on-line high-temperature conversion techniques.

Brand WA, Coplen TB, Aerts-Bijma AT, Böhlke JK, Gehre M, Geilmann H, Gröning M, Jansen HG, Meijer HA, Mroczkowski SJ, Qi H, Soergel K, Stuart-Williams H, Weise SM, Werner RA. Brand WA, et al. Rapid Commun Mass Spectrom. 2009 Apr;23(7):999-1019. doi: 10.1002/rcm.3958. Rapid Commun Mass Spectrom. 2009. PMID: 19263478

9

Cavity ring-down spectroscopy versus high-temperature conversion isotope ratio mass spectrometry; a case study on delta(2)H and delta(18)O of pure water samples and alcohol/water mixtures.

Brand WA, Geilmann H, Crosson ER, Rella CW. Brand WA, et al. Rapid Commun Mass Spectrom. 2009 Jun;23(12):1879-84. doi: 10.1002/rcm.4083. Rapid Commun Mass Spectrom. 2009. PMID: 19449320 No abstract available.

10

δ18O anchoring to VPDB: calcite digestion with 18O-adjusted ortho-phosphoric acid.

Wendeberg M, Richter JM, Rothe M, Brand WA. Wendeberg M, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2011 Apr 15;25(7):851-60. doi: 10.1002/rcm.4933. Epub 2011 Mar 14. Rapid Commun Mass Spectrom. 2011. PMID: 21416521

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