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[color=#444444]现在确定里面有2-乙基蒽醌236和四氢-2乙基蒽醌240,可是没找到,找到了238和242的,是什么原因[/color][color=#444444][img]http://muchongimg.xmcimg.com/data/bcs/2016/0301/w123h4065258_1456817910_472.png[/img][/color][color=#444444][img]http://muchongimg.xmcimg.com/data/bcs/2016/0301/w201h4065258_1456817917_827.png[/img][/color][color=#444444][img]http://muchongimg.xmcimg.com/data/bcs/2016/0301/w127h4065258_1456817926_200.png[/img][/color][color=#444444][img]http://muchongimg.xmcimg.com/data/bcs/2016/0301/w197h4065258_1456817932_818.png[/img][/color][color=#444444][img]http://muchongimg.xmcimg.com/data/bcs/2016/0301/w126h4065258_1456817940_678.png[/img][/color][color=#444444][img]http://muchongimg.xmcimg.com/data/bcs/2016/0301/w200h4065258_1456817945_175.png[/img][/color][color=#444444][/color][color=#444444][/color]
小伙伴们,大家有用GCMSMS测试食用油中蒽醌,联苯和二苯基苯酚的吗?和大家交流一下前处理过程,用哪一种试剂提取效率好一些?谢谢!
有哪位知道EN1811 及 EN12742 分析鎳 Ni 的前處理設備國內生產廠家?煩請告知,不勝感激!!!!!