Alfred A. Christy

Maturity determination of organic matter in coals using the methylphenanthrene distribution

Olav M. Kvalheim, Alfred A. Christy, N. Telnæs et al. · Geochimica et Cosmochimica Acta · 1987 · 243 citations

Maturity Determination, Environmental Chemistry, Chemical Engineering +8

Multivariate calibration of diffuse reflectance infrared spectra of coals as an alternative to rank determination by vitrinite reflectance

Alfred A. Christy, R A Velapoldi, Terje V. Karstang et al. · Chemometrics and Intelligent Laboratory Systems · 1987 · 52 citations

Engineering, Vitrinite Reflectance, Calibration +7

Effect of Heat on the Adsorption Properties of Silica Gel

Alfred A. Christy · International Journal of Engineering and Technology · 2012 · 27 citations

Engineering, Industrial Engineering, //Www.ijetch.org/papers/416-t886.pdf Open Access +17

Maturity of kerogen and asphaltenes determined by partial-least-squares (PLS) calibration and target projection of diffuse reflectance Fourier transformed infrared spectra

Alfred A. Christy, Olav M. Kvalheim, Kjell Øygard et al. · Organic Geochemistry · 1991 · 24 citations

Materials Science, Engineering, Target Projection +10

Interpretation of multivariate data: Relationship between phenanthrenes in crude oils

Alf Bjørseth, Alfred A. Christy, Olav M. Kvalheim · Chemometrics and Intelligent Laboratory Systems · 1987 · 15 citations

Food Chemistry, Engineering, Petrochemical +7