Molecular composition of vanadyl porphyrins in the gilsonite
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DOI: 10.1016/s1872-5813(20)30023-2
Abstract: Abstract A gilsonite from Qingchuan (Sichuan province, China) was separated into several fractions and characterized by various techniques. The vanadyl porphyrins were determined by inductively coupled plasma optical emission spectrometer, ultraviolet-visible spectrophotometry, high-temperature gas chromatography-atomic… read more here.
Keywords: molecular composition; chemistry; composition vanadyl; vanadyl ... See more keywords