Barry R. Johnson

Solubility Limitations in the Determination of Molecular Mass Distributions of Coal Liquefaction and Hydrocracking Products:  1-Methyl-2-pyrrolidinone as Mobile Phase in Size Exclusion Chromatography

Alan A. Herod, Shengfu Zhang, Barry R. Johnson et al. · Energy & Fuels · 1996 · 86 citations

Engineering, Organic Chemistry, Chemistry +16

Effect of LiBr Addition to 1-Methyl-2-pyrrolidinone in the Size-Exclusion Chromatography of Coal-Derived Materials

Alan A. Herod, J. Shearman, M.J. Lázaro et al. · Energy & Fuels · 1998 · 58 citations

A reconciliation of mass ranges from matrix‐assisted laser desorption/ionization mass spectrometry and size exclusion chromatography for coal‐derived materials

Alan A. Herod, Rafael Kandiyoti, Barry R. Johnson et al. · Rapid Communications in Mass Spectrometry · 1995 · 54 citations

Chemical Engineering, Engineering, Gas Chromatography +15

Matrix-assisted Laser Desorption/Ionization Mass Spectrometry of Pitch Fractions Separated by Planar Chromatography

Alan A. Herod, Steven Zhang, D. M. Carter et al. · Rapid Communications in Mass Spectrometry · 1996 · 51 citations

Biological Mass Spectrometry, Organic Chemistry, Chemistry +17

N-methyl-2-pyrrolidinone as a mobile phase in the size-exclusion chromatography of coal derivatives

Barry R. Johnson, Keith D. Bartle, Alan A. Herod et al. · Journal of Chromatography A · 1997 · 45 citations

Chemical Engineering, Coal Derivatives, Size-exclusion Chromatography +11