Carbon and hydrogen isotopic compositions of the NBS 22 and NBS 21 stable isotope reference materials: An inter-laboratory comparison

Isotopic standards for carbon and oxygen and correction factors for mass-spectrometric analysis of carbon dioxide

Harmon Craig · Geochimica et Cosmochimica Acta · 1957 · 4.2K citations

Natural Sciences, Chemistry, Analytical Chemistry +14

Preparation of carbon dioxide for stable carbon isotope analysis of petroleum fractions

Zvi Sofer · Analytical Chemistry · 1980 · 314 citations

Natural Sciences, Chemistry, Analytical Chemistry +12

Source indicators of humic substances and proto-kerogen. Stable isotope ratios, elemental compositions and electron spin resonance spectra

Daniel H. Stuermer, Kenneth E. Peters, I. R. Kaplan · Geochimica et Cosmochimica Acta · 1978 · 194 citations

Natural Sciences, Earth Sciences, Environmental Sciences +17

Geochemistry of the stable carbon and oxygen isotopes of natural waters in the Netherlands

W.G. Mook · Data Archiving and Networked Services (DANS) · 1968 · 124 citations · Full text

Natural Sciences, Chemistry, Earth Sciences +16

Proportional variations of geochemical δ 18O scales —an interlaboratory comparison

Peter Blattner, J.R. Hulston · Geochimica et Cosmochimica Acta · 1978 · 71 citations

Natural Sciences, Earth Sciences, Geology +14