R. V. Helm

Molecular interactions of asphalt. Tentative identification of 2-quinolones in asphalt and their interaction with carboxylic acids present

J C Petersen, R.V. Barbour, S. M. Dorrence et al. · Analytical Chemistry · 1971 · 52 citations

Natural Sciences, Chemistry, Analytical Chemistry +9

Identification of carbazole in wilmington petroleum through use of gas-liquid chromatography and spectroscopy

R. V. Helm, D. R. Latham, C. R. Ferrin et al. · Analytical Chemistry · 1960 · 33 citations

Natural Sciences, Chemistry, Analytical Chemistry +5

Purification and Properties of Ten Organic Sulfur Compounds.

J.C. Morris, W. J. Lanum, R. V. Helm et al. · Journal of Chemical & Engineering Data · 1960 · 26 citations

Natural Sciences, Chemical Engineering, Chemistry +9

Compositional studies of an asphalt and its molecular distillation fractions by nuclear magnetic resonance and infrared spectrometry

R. V. Helm, J C Petersen · Analytical Chemistry · 1968 · 25 citations

Natural Sciences, Chemistry, Materials Science +10

Distribution of Nitrogen Compounds in Wilmington, California, Petroleum.

R. V. Helm, D. R. Latham, C. R. Ferrin et al. · Industrial & Engineering Chemistry Chemical & Engineering Data Series · 1957 · 13 citations

Natural Sciences, Chemistry, Petroleum Engineering +9