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  • Migration of polychlorobiphenyls from silicone rubber into solvents
    Perdih, Anton ; Jan, Jurij, 1932-2020
    From silicone rubber aprotic solvents desorb most polychlorobiphenyl (PCB) congeners originating from bis(2,4-dichlorobenzoyl)peroxide, whereas protic ones do not. Migration of PCBs is favoured by a ... lower level of substitution, by a higher number of ortho substituents, and by a 2,5- substitution pattern. The influence of solvent type on PCB migration is the least on symmetrically substituted PCBs. With increasing polarity of the solvent the global migration of PCB decreases but the decrease is the least among the nonsymetric PCBs. The influence of carboxylic acids and of benzene indicates some similitaries. Testing the migration of PCBs into food has to be close to real conditions, considering the properties of the targed medium.
    Vir: Acta chimica slovenica. - ISSN 1318-0207 (Vol. 43, no. 1, 1996, str. 67-78)
    Vrsta gradiva - članek, sestavni del
    Leto - 1996
    Jezik - angleški
    COBISS.SI-ID - 17915397

vir: Acta chimica slovenica. - ISSN 1318-0207 (Vol. 43, no. 1, 1996, str. 67-78)
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