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- W2786708257 abstract "全氟化合物(perfluorinated compounds,PFCs)是一种广泛应用于工业生产及日常生活的持久性有机污染物.为考察室内灰尘中PFCs的污染水平与人体暴露情况,采用超高效液相色谱-串联质谱(UPLC-MS/MS)对上海市11个家庭、5个宿舍以及25个办公室的室内灰尘样本中的6种全氟化合物(全氟庚酸PFHpA,全氟辛酸PFOA、全氟壬酸PFNA、全氟丁烷磺酸PFBS、全氟己烷磺酸PFHxS、全氟辛烷磺酸PFOS)进行检测.结果表明,室内灰尘中的∑PFCs含量在5.6～1 489.1 ng·g-1的范围内,其中PFOA含量最高,占∑PFCs的60％以上;PFOA和PFBS检出率达到100％,PFHpA、PFNA、PFHxS、PFOS的检出率分别为97.6％、92.7％、90.2％和65.9％;灰尘中的PFHpA、PFNA、PFBS、PFOS和各个目标物之间均存在显著的正相关(P＜0.05);办公室灰尘中的PFCs总量要显著高于家庭灰尘中的PFCs(P＜ 0.05).在人体对室内灰尘中PFCs暴露情况评估中发现,在各个年龄段的比较中,婴幼儿(＜5岁)通过灰尘直接摄入和皮肤吸收2种途径的PFCs日均暴露剂量都是最大的,比成人的暴露量高1～5倍;且其通过灰尘直接摄入的暴露量要高出通过皮肤吸收的暴露量." @default.
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- W2786708257 date "2016-01-01" @default.
- W2786708257 modified "2023-09-27" @default.
- W2786708257 title "Occurrences, Characteristics and Human Exposure Assessment of Perfluorinated Compounds in Indoor Dust" @default.
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