Improved accuracy in high-temperature conversion elemental analyzer δ18O measurements of nitrogen-rich organics

USGS42 and USGS43: Human-hair stable hydrogen and oxygen isotopic reference materials and analytical methods for forensic science and implications for published measurement results

(2011) Tyler B. Coplen et al.   FORENSIC SCIENCE INTERNATIONAL

18O/16O ratio measurements of inorganic and organic materials by elemental analysis-pyrolysis-isotope ratio mass spectrometry continuous-flow techniques

(2011) François Fourel et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Investigation of preparation techniques for δ2H analysis of keratin materials and a proposed analytical protocol

(2011) Haiping Qi et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Improved online δ18O measurements of nitrogen- and sulfur-bearing organic materials and a proposed analytical protocol

(2011) Haiping Qi et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Methods to reduce interference effects in thermal conversion elemental analyzer/continuous flow isotope ratio mass spectrometry δ18O measurements of nitrogen-containing compounds

(2010) Frederik Accoe et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Essential methodological improvements in the oxygen isotope ratio analysis of N-containing organic compounds

(2010) Hans-Peter Sieper et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Offline oxygen isotope analysis of organic compounds with high N:O

(2010) Glendon B. Hunsinger et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

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

(2010) Haiping Qi et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

N2: a potential pitfall for bulk2H isotope analysis of explosives and other nitrogen‐rich compounds by continuous‐flow isotope‐ratio mass spectrometry

(2009) Wolfram Meier‐Augenstein et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Comprehensive inter-laboratory calibration of reference materials forδ18O versus VSMOW using various on-line high-temperature conversion techniques

(2009) Willi A. Brand et al.   RAPID COMMUNICATIONS IN MASS SPECTROMETRY

Results of four inter-laboratory comparisons provided by the Forensic Isotope Ratio Mass Spectrometry (FIRMS) network

(2009) James F. Carter et al.   SCIENCE & JUSTICE