论文部分内容阅读
·检材的提取:1.案犯包装炸药后其双手可能接触到的物品上,如手套、烟盒、火柴等,遗留在这些物品上的微量炸药用蒸馏水(或丙酮)浸湿的滤纸粘擦,备检。2.嫌疑人的手掌、指甲及衣服夹窝部等处,将滤纸用蒸馏水(或丙酮)浸过后放在上述部位粘擦,夹窝部要将滤纸敷上轻弹衣服,备检。3.在嫌疑人住处,提取其可能包装、存放炸药的部位,如桌面、椅面、地面等地方的尘土。4.提取嫌疑人上下衣口袋中的尘土,可将口袋翻出,轻轻弹到滤纸上备检。检验方法:1.用滤纸作载体检验:提取的检材分成几份于滤纸上,直接加乙二胺、奈氏试剂和硫酸一二笨胺等试剂检验。2.用滤纸代替脱脂棉提取检验:将提取检材的滤纸每页分
· The collection of samples: 1. After the explosives are packed, explosives may be exposed to the hands, such as gloves, packets, matches, etc. The trace explosives left on these articles may be rubbed with distilled water (or acetone) soaked in filter paper , Prepare for inspection. 2. The suspect’s palm, nails and clothes folder Department and other places, the filter paper with distilled water (or acetone) after dipping in the above part of the rub, folder Department of the filter paper to be flirt on, for inspection. 3. In the suspect’s residence, extract the parts of the explosives that may be packed and stored, such as the dust on the tables, chairs and floors. 4. Extract the suspect under the dust pocket, you can pound out of the pocket, gently bounce on the filter paper for inspection. Test methods: 1. Using a filter paper as a carrier test: The extracted samples were divided into several parts on the filter paper, directly add ethylenediamine, Nessler reagent and a stupid amine sulfate and other reagents test. 2. Filter paper instead of absorbent cotton extraction test: extract the filter paper per sample points