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[求助] 纳米铁处理多氯联苯 PCB95 气相色谱仪检测

在做纳米铁处理PCB95的实验中,放置24小时,用气相色谱仪检测,出现原液的浓度比处理过后浓度还要高?制备了多种纳米铁,可是比较处理之后的浓度之后,峰值并没有多大差别?
气相色谱仪设定的方法是按照常规检测PCB的方法,这样会有影响吗?
判断目标峰的出现时间?
希望能得到做过PCB实验的同胞帮助,pcb95是手性多氯联苯,我在看出峰图的时候看到了手,可是根据这个峰型比较其他的出峰图,竟然原液的峰比处理后的峰还要低?!现在都不确定这个到底是不是目标峰了,大家是怎么判断目标峰的呢?而且在制备纳米铁时 选用低ph条件下的纳米铁和pcb反应,第二天纳米铁竟然变成白色?明明反应完事黑色的。其他的反应瓶都是黑色的!
如果有相关pcb文献的同胞们可以发几篇文献的题目让我看看,谢谢大家!!

[ Last edited by supernatural on 2013-11-24 at 09:29 ]
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