Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68
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Date
19921992
Author
United Nations Environment Programme
World Health Organization
International Labour Organisation
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RT Generic T1 Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68 A1 United Nations Environment Programme, World Health Organization, International Labour Organisation YR 1992 , 1992 LK https://wedocs.unep.org/20.500.11822/29621 PB AB TY - GEN T1 - Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68 AU - United Nations Environment Programme, World Health Organization, International Labour Organisation Y1 - 1992, 1992 UR - https://wedocs.unep.org/20.500.11822/29621 PB - AB - @misc{20.500.11822_29621 author = {United Nations Environment Programme, World Health Organization, International Labour Organisation}, title = {Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68}, year = {1992 , 1992}, abstract = {}, url = {https://wedocs.unep.org/20.500.11822/29621} } @misc{20.500.11822_29621 author = {United Nations Environment Programme, World Health Organization, International Labour Organisation}, title = {Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68}, year = {1992 , 1992}, abstract = {}, url = {https://wedocs.unep.org/20.500.11822/29621} } TY - GEN T1 - Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68 AU - United Nations Environment ProgrammeUnited Nations Environment Programme, World Health OrganizationWorld Health Organization, International Labour Organisation UR - https://wedocs.unep.org/20.500.11822/29621 PB - AB -View/Open
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The PCBs are chlorinated hydrocarbons that are manufactured commercially by the progressive chlorination of biphenyl in the presence of a suitable catalyst (e.g., iron chloride). Depending on the reaction conditions, the degree of chlorination can vary between 21 and 68% (w/w). The yield is always a mixture of different compounds and congeners. Thus, a total of 209 different chemical components may exist, but only about 130 of these are likely to occur in commercial products or mixtures of these compounds.
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