Lantz P E, Jerome W G, Jaworski J A
Department of Pathology, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, NC 27157-1072.
Am J Forensic Med Pathol. 1994 Mar;15(1):10-3. doi: 10.1097/00000433-199403000-00003.
Primer residue typically contains some combination of lead, antimony, or barium, whereas bullet residue from nonjacketed bullets is 70-100% lead. The amount of lead particles produced by low-velocity bullets (projectile residue) may be exceedingly high. Copper- or brass-coated bullets generate an admixture of lead and copper particles whereas jacketed and semijacketed bullets produce the least amount of lead particles and only a small amount of copper-containing residue. We recently studied a suicidal contact small-caliber gunshot wound with an unusual amount of bullet residue deposited on the epidermal margins and within the wound track. The entrance wound was encircled by radiopaque particulate material visible on the postmortem radiograph. Soft radiography delineated the material to the wound track and adjacent epidermis. Scanning electron microscopy with energy-dispersive analysis of x-rays identified the principle element as lead.
底火残渣通常含有铅、锑或钡的某种组合，而非带壳子弹的弹头残渣含铅量为70%至100%。低速子弹产生的铅颗粒（射弹残渣）数量可能极高。铜涂层或黄铜涂层子弹会产生铅和铜颗粒的混合物，而带壳和半带壳子弹产生的铅颗粒最少，仅产生少量含铜残渣。我们最近研究了一例自杀性接触小口径枪伤，在表皮边缘和伤口通道内沉积了异常数量的子弹残渣。尸检X光片上可见入口伤口被不透射线的颗粒物质环绕。软X线摄影显示该物质延伸至伤口通道和相邻表皮。扫描电子显微镜结合能量色散X射线分析确定主要元素为铅。
