Reverse-Phase Liquid Chromatography of Phenol-Formaldehyde All-Ortho Oligomers
作者： Mara Cornia , Giovanni Sartori , Giuseppe Casnati , Giovanni Casiraghi
DOI: 10.1080/01483918108064792
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摘要: Abstract High Performance Liquid Chromatography was proven to be a powerful method for the separation and quantitation of ortho-linked Phenol-Formaldehyde oligomers. A homologous series oligo [(2-hydroxyl-1, 3-phenylene) methylenes] (dinuclear octanuclear compounds) analyzed. The samples were separated by reverse-phase chromatography monitored at 280 nm. Optimum conditions obtained on μ-Bondapack C18 column employing isocratic ambient elution with metanol/water 80:20 (v/v) mixture. Four reference mixtures oligomers known composition used assure reliability method. Subsequent analysis two all-ortho novolac resins performed in order substantiate further validity technique.
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