Abstract
为明确烟田土壤酞酸酯类化合物（PAEs）的质量分数和分布特征，分析了东南、西南及黄淮烟区180个烟田土壤样品6种PAEs质量分数及其与土壤pH、有机质质量分数间的关系。结果表明：①烟田土壤PAEs总量（∑PAEs）在0.000 8~8.593 9 mg/kg范围内，平均值为0.407 5 mg/kg，检出率是100%。②所测的土壤样品中，除邻苯二甲酸丁基苄基酯（BBP）未检出外，其他均有检出；邻苯二甲酸二（2-乙基己基）酯（DEHP）和邻苯二甲酸二正丁酯（DnBP）是土壤中最主要的PAEs，两者之和约占∑PAEs的90%，其平均质量分数分别为0.217 5、0.179 7 mg/kg。③在东南和西南烟区均检出5种PAEs，在黄淮烟区检出3种PAEs；西南烟区土壤∑PAEs及DEHP的质量分数显著高于其他烟区；黄淮烟区的邻苯二甲酸二甲酯（DMP）所占百分比较高，而DnBP所占百分比较低，其他几种PAEs所占百分比在烟区间没有差异。④烟田土壤中PAEs质量分数与土壤有机质质量分数和pH的相关性在烟区间存在差异，具有不确定性。
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