茚三酮与DFO显现方法比较研究

茚三酮和DFO在显现渗透性客体上的汗潜手印时,显现原理、实验方法,以及实验结果均有不同.茚三酮法作为传统的渗透性客体汗潜指纹显现法,有其独特的优越性,但该法显现效果受客体背景影响大.DFO法适用客体范围广,可在重要现场手印提取中优先使用.在实际工作,可根据现场实际情况,使其优势互补,而更好地为现场勘查服务.

A Study of Comparing NIN and DFO Manifest Method

The manifest method,experimental means and result are different when using NIN and DFO to reveal sweat fingerprints in the permeated objects.Being a traditional manifest method of sweat fingerprints in the permeated objects,NIN has its soecial advantages,but its effects are greatly influenced by the background of the objects.While DFO method can be applied to a large scope of objects and be preferentially used in collecting fingerprints on important scenes.In practice,we can combine them to better serve the investigation work on the spot according to specific situations.