Effects of humic substances on the pattern of oxidation products of pentachlorophenol induced by a biomimetic catalytic system using tetra(p-sulfophenyl)porphineiron(III) and KHSO5 - Fukushima, Masami.; Ichikawa, Hiroyasu.; Kawasaki, Mikio.; Morimoto, Kengo.; Sawada, Akira.; Tatsumi, Kenji.