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The position dependent 15N enrichment of nitrous oxide in the stratosphere.
Röckmann T, Kaiser J, Brenninkmeijer CA, Brand WA, Borchers R, Crowley JN, Wollenhaupt M, Crutzen PJ. Röckmann T, et al. Among authors: brand wa. Isotopes Environ Health Stud. 2001;37(2):91-5. doi: 10.1080/10256010108033285. Isotopes Environ Health Stud. 2001. PMID: 11761405
How to Couple LC-IRMS with HRMS─A Proof-of-Concept Study.
Marks RGH, Jochmann MA, Brand WA, Schmidt TC. Marks RGH, et al. Among authors: brand wa. Anal Chem. 2022 Feb 15;94(6):2981-2987. doi: 10.1021/acs.analchem.1c05226. Epub 2022 Feb 2. Anal Chem. 2022. PMID: 35107978
USGS44, a new high-purity calcium carbonate reference material for δ13 C measurements.
Qi H, Moossen H, Meijer HAJ, Coplen TB, Aerts-Bijma AT, Reid L, Geilmann H, Richter J, Rothe M, Brand WA, Toman B, Benefield J, Hélie JF. Qi H, et al. Among authors: brand wa. Rapid Commun Mass Spectrom. 2021 Feb 28;35(4):e9006. doi: 10.1002/rcm.9006. Rapid Commun Mass Spectrom. 2021. PMID: 33201519 Free PMC article.
56 results