摘要
采集厦门冬、春、夏三季大气颗粒物PM10,冬、夏两季PM2.5样品,用IC进行离子成分分析,结果表明:厦门大气颗粒物水溶性离子成分呈春冬季高、夏季低的季节变化特征。二次离子SO42-、NO3-与NH4+占PM10的近40%,海盐离子占7%;二次离子占PM2.5的48%,海盐离子占3%。二次离子污染是影响厦门环境空气质量的主要因子。
PM10 samples were collected and analysed at Xiamen in winter, spring and summer, and PM2.5 samples were collected in winter and summer. Water solubee ions vary as seasons vary, and are high in spring and winter, are low in summer, Secondary ions SO4^2-, NO3 ^-and NH4^＋ are contained 40% in PM10. Salt ion is contained 7% in PM10. Secondary ions are contained 48%, and salt ion 7% in PM2.5. The polution of secondary ions is the major influence factor for Xiaman air quality.
出处
《现代科学仪器》
2006年第6期92-95,共4页
Modern Scientific Instruments
基金
厦门市科技局3502Z20024001。
