作者: Chunyang Liao , Kurunthachalam Kannan
DOI: 10.1021/ES200977T
关键词:
摘要: The sources of human exposure to bisphenol A (BPA) are not well characterized. Little is known about the presence BPA in paper products, especially currencies, and its implications for exposure. In this work, currencies from 21 countries (N = 156) were analyzed BPA, which was measured 19 mm punches taken three spots on currencies. found all at concentrations ranging 0.001 82.7 μg/g (mean 4.94; median 1.02) samples middle portion higher than those peripheral portions. We also examined transfer thermal receipt by placing contact with papers 24 h a wallet. Concentrations dramatically increased after papers, suggesting that an important source estimated daily intake through der...