标题四种有机磷农药的分离和鉴定是根据国内农药生产、使用及环境污染的具体情况而提出的课题。在此之前四种农药同时存在时的分离问题并未解决。本文着重报告了实现标题四种有机磷农药分离和鉴定的气相色谱条件,并讨论了影响分离的各种因素。 Title Four kinds of organophosphorus pesticides separation and identification is based on the domestic pesticide production, use and environmental pollution specific issues raised. Before this four kinds of pesticides exist at the same time the problem of separation has not been resolved. This article focuses on the report of the realization of the title of four kinds of organophosphorus pesticides separation and identification of gas chromatographic conditions, and discusses the various factors that affect the separation.