大气压固体分析探头离子源（Atmospheric pressure solids analysis probes , ASAP）是一项较为新型的离子源技术。这种技术在化学污染物分析中有着广泛的应用潜力，并在快速筛查领域逐步受到重视。介绍了ASAP离子源的原理、结构和特点，并分别对粮油食品化学污染物的定性筛查和快速定量进行举例介绍。从硬件设置和方法学角度对ASAP源的使用进行了讨论和分析。可以看出，ASAP离子源在快速筛查粮油食品中的残留化学品、掺伪和污染物方面有较大的实用价值。
Atmospheric pressure solids analysis probes (ASAP) ion source is a relatively new type of ion source technology. The technique has broad prospect in the applications of detection of chemical contaminants. As one of the rapid screening method, ASAP is receiving more attentions. The principle, structure and characteristic of ASAP were introduced. The practical examples about quantitative and quantitative analysis of chemical contaminants in grain and oil food were introduced. The application of ASAP ion source was analyzed from hardware and methodology point of view. The ASAP ion source technology used as rapid detection of contaminants in grain and oil products have great value in practice.