【作者】 朱若华； 施燕支； 王娟； 刘少轻；

【Author】 Zhu Ruohua, Shi Yanzhi, Wang Juan, Liu Shaoqing (The department of Chemistry, Capital Normal University, Beijing 100037)

【机构】 首都师范大学化学系；

【摘要】 <正>汽车污染是城市大气污染的主要污染源之一。为减少汽车尾气所排放出来的碳氢化合物、一氧化碳、氮氢化物等有害气体给环境带来的污染,铂、钯、铑作为催化剂的活性成分将排放出来的碳氢化合物、一氧化碳、氮氢化物等有害气体分解为二氧化碳、氮气和水等无害物质。但是随着汽更多还原

【Abstract】 ICP-MS has been employed to determine the distribution of platinum group elements (PGEs) in dust or soil, plant, river (lake) water and fish samples in the period of 2002-2007 in Beijing urban environment. The levels of PGEs were obvious higher in samples compare with that in the background samples and increased during this period, indicating the accumulating of PGEs in the environment of Beijing as well as the obvious impact of the fast increase of the number of vehicles to the environment of Beijing.更多还原