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利用金属印痕彩色显现方法,显现金属凶器遗留在衣服创口周围的金属成份及分布,从而确定凶器特征,现介绍如下。一器材与试剂器材紫外线灯、玻璃或塑料皿、印(放)相纸、竹夹子、上光机、量杯等。试剂 (1)溶解剂:12%氨水,10～25%醋酸,酒石酸缓冲液;(2)显色剂:红氨酸甲醇饱和液,0.2%玫红酸钠(钾)水溶液,0.05%铁氰化钾盐酸溶液;桑色素甲醇饱和液,5%
The use of metal impression color display method, showing the metal weapon left in the wound around the metal composition and distribution of clothing in order to determine the character of the weapon, are described below. A material and reagent equipment UV lamp, glass or plastic dish, printed (put) photographic paper, bamboo clip, polishing machine, measuring cup and so on. Reagent (1) Solubilizer: 12% aqueous ammonia, 10-25% acetic acid, tartaric acid buffer solution; (2) Developer: saturated erythritol methanol solution, 0.2% Potassium chloride solution; morin methanol saturated solution, 5%