Computerised gas chromatographic-mass spectrometric analysis of complex mixtures of alkyl porphyrins

A generalization of the retention index system including linear temperature programmed gas—liquid partition chromatography

Huug van den Dool, P. Dec. Kratz · Journal of Chromatography A · 1963 · 6.3K citations

Pharmacy, Chemistry, Pharmaceutical Analysis +16

Protection of hydroxyl groups as tert-butyldimethylsilyl derivatives

E. J. Corey, A. Venkateswarlu · Journal of the American Chemical Society · 1972 · 1.8K citations

Natural Sciences, Chemistry, Analytical Chemistry +6

Mass Spectrometric Characterization of Petroporphyrins¹

Earl W. Baker · Journal of the American Chemical Society · 1966 · 123 citations

Natural Sciences, Biochemistry, Chemistry +8

Copper Porphyrins in Deep-Sea Sediments: A Possible Indicator of Oxidized Terrestrial Organic Matter

S.E. Palmer, Earl W. Baker · Science · 1978 · 67 citations

Natural Sciences, Earth Sciences, Geology +17

Gallium porphyrins in bituminous coal

Raymond N. Bennett, Franciszek Czechowski · Nature · 1980 · 61 citations

Natural Sciences, Biochemistry, Chemistry +10