In the present work, samples of airborne PM were collected in different site and with different size, and the X-ray absorption near-edge structure (XANES) spectra of Cr, Mn, Cu and Zn were measured.

• 本工作采集了不同地点和不同粒径的大气颗粒物样品,测定了样品中铬、锰、铜和锌的X射线吸收近边结构(XANES)谱,利用该谱分析了这些元素在颗粒物中的种态。