2015
DOI: 10.1016/j.envpol.2015.01.037
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The effects of rice canopy on the air–soil exchange of polycyclic aromatic hydrocarbons and organochlorine pesticides using paired passive air samplers

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Cited by 14 publications
(4 citation statements)
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“…Enhanced dissipation of PAHs can be related to enhanced volatilization, leaching and/or microbial degradation. Enhanced volatilization would only affect the low molecular weight compounds because the high molecular weight PAHs are little volatile (Cousins et al, 1999;Wang et al, 2015). However, we did not observe a different effect on LMW and HMW compounds (Table 1, Fig.…”
Section: Discussionmentioning
confidence: 55%
“…Enhanced dissipation of PAHs can be related to enhanced volatilization, leaching and/or microbial degradation. Enhanced volatilization would only affect the low molecular weight compounds because the high molecular weight PAHs are little volatile (Cousins et al, 1999;Wang et al, 2015). However, we did not observe a different effect on LMW and HMW compounds (Table 1, Fig.…”
Section: Discussionmentioning
confidence: 55%
“…Wang et al used the PUF-PAS to measure concentrations of OCPs and PAHs above and below the canopy of a rice crop, using DCs to allow for different SRs. 463 Following expectations, SRs were notably lower below the canopy than above it. Both lower and higher concentrations were observed below the canopy when compared to those measured above.…”
Section: G3 Pas Vertical Gradientsmentioning
confidence: 52%
“…Segundo Wang et al (2015), pesticidas geram preocupação, principalmente em relação ao meio ambiente e a saúde humana, devido a alta bioacumulação, toxicidade e persistência apresentada por esses compostos, uma vez que são lipossolúveis e apresentarem alta estabilidade.…”
Section: Introductionunclassified
“…Após a extração, a gota orgânica é solidificada em baixa temperatura e, em seguida, facilmente coletada, fundida e conduzida para a determinação analítica. Porém, o problema da baixa área de contato entre o solvente e a amostra é uma desvantagem também(ZANJANI et al, 2007).Na literatura são citadas novas maneiras de empregar a DLLME unindo vantagens com a SFOD como a Microextração Líquido-Líquido Dispersiva baseada na Solidificação da Gota Orgânica Flutuante (DLLME-SFOD) (LEONG; HUANG, 2008) e a Microextração Líquido-Líquido Dispersiva baseada na Solidificação da Gota Orgânica Flutuante Assistida por Ultrassom (UA-DLLME-SFOD)(WANG et al (2015).…”
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