摘要
茚三酮溶液显现法是显现普通纸表面汗潜指纹的常用方法。但是由于热敏纸表面涂有热敏涂料,使得上述方法在该客体表面汗潜指纹的显现中难以奏效。不过,在此方法基础上改良发展而来的1,2茚二酮法、二甲基氨基肉桂醛法、过量丙酮冲洗法、半醇酮茚显现法等4种方法能取得较好效果。
Ninhydrin is a regular fingerprint reagent, but when used to thermal paper the paper surface will turn dark grey or black thereby obscuring any fingerprints that may subsequentlybe developed. A few techniques have been found for developing fingerprints on thermal paper by improving the original reagent, such as 1,2-Indandione solution, DMAC （dimethyl amino cinnam aldehyde） fumes , rinsing the thermal paper with an excess of acetone, thermalNin method.
出处
《刑事技术》
2006年第2期18-19,共2页
Forensic Science and Technology
关键词
热敏纸
汗潜指纹
茚二酮
二甲基氨基肉桂醛
半醇酮茚
thermal paper
latent perspiration fingerprints
1,2-Indandione
dimethyl amino cinnam aldehyde
ThermalNin
