实验背景
吸毒者体内的毒品成分或代谢物会在毛发生长的过程中用于组织成分的合成,所以通过鉴定毛发的成分,可以快速判定疑犯是否有吸毒行为。
实验目的:研磨毛发样品,检测其毒品及其代谢物成分。
实验原理
毛发成分有多种提取方法,其中研磨提取最为高效准确。通过将毛发研磨至粉末状,可以大大增加毛发的表面积,并充分破坏其角质蛋白,使溶剂能深入到毛发内部的毛发髓质层和皮质层进行充分的溶解萃取,再对萃取溶液检测是否含有毒品成分,即可快速完成鉴定。
实验步骤:需了解具体步骤,请致电厂家
研磨对比
毛发样品取样时
毛发样品研磨后呈细腻粉末状
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