《水浒传》第26回有一段人们很熟悉的故事:潘金莲用砒霜毒杀武大郎(淫妇药鸠武大郎)。可见,800多年前民间就知道砒霜(即三氧化二砷)是毒物,并用作毒杀手段了。小说里对砒霜中毒的症状也描述得相当细致和准确,只不过因历史条件所限,对中毒的鉴定则欠科学性,小说里是何九叔从火化场里捡了 “Water Margin” 26 back to a period of people are very familiar with the story: Pan Jinlian poison with arsenic Wu Dalang (prostitution drug Dove Wu Dalang). Can be seen that more than 800 years ago folk know arsenic (ie, arsenic trioxide) is a poison, and used as a means of killing. In the novel, the symptom of arsenic poisoning is also described as very meticulous and accurate, but due to historical conditions, the identification of poisoning is not scientific. In the novel, He Jiushu picked up from the crematorium