A pot of cooking oil was contaminated to glaucous.Blue substance had been isolated from the oil,and identified to be phthalocyanine pigment by means of testing physical and chemical properties and analyzing the oxidat...A pot of cooking oil was contaminated to glaucous.Blue substance had been isolated from the oil,and identified to be phthalocyanine pigment by means of testing physical and chemical properties and analyzing the oxidative degradation products by GC-MS.The Mr of pigment was detected by EI MS to be 575 relating to the copper phthalocyanine.展开更多
文摘A pot of cooking oil was contaminated to glaucous.Blue substance had been isolated from the oil,and identified to be phthalocyanine pigment by means of testing physical and chemical properties and analyzing the oxidative degradation products by GC-MS.The Mr of pigment was detected by EI MS to be 575 relating to the copper phthalocyanine.
