PMID: 15332667Aug 31, 2004Paper

By-side impurities in chloronaphthalene mixtures of the Halowax series: all 209 chlorobiphenyls

Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Yukio NomaShin-Ichi Sakai

Abstract

202 congeners of chlorobiphenyl (CB) with 109 single-resolved compounds and 93 co-eluting, which represented from mono- to deca-CB were quantified as by-side impurities in all seven and of various type the technical chloronaphthalene (CN) formulations of the Halowax series. IUPAC No. 104, 145, 159, 169, 184, 186, and 188 were undetected (<0.05-<0.7 ng/g). The total CBs content of the Halowax formulations ranged between 220 and 640,000 ng/g, and lower chlorinated Halowaxes 1031 (27% Cl) and 1000 (35% Cl) were two to three orders of magnitude more contaminated with CBs than higher chlorinated Halowax 1001, 1099, 1013, 1014, and 1051 (49-70% Cl). The profile of CB homologue groups of the Halowaxes changed and followed somehow a degree of chlorination of the parent CN mixture. For Halowax 1031 and 1000, a decreasing trend in proportion from mono- to deca-CB was evident, while for Halowax 1001, 1099, 1013, 1014, and 1051 the relative proportions between the CB homologue groups varied somehow. Evidently content of lower chlorinated mono- and di-CBs highly decreased and steadily increased tri- to octa-CBs and they become dominating homologues in Halowax formulations in parallel with an increase of the content of higher molecular weigh...Continue Reading

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Citations

Jan 25, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·S TaniyasuN Yamashita
Sep 2, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·T Puzyn, J Falandysz
Sep 2, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·J FalandyszS Sakai
Apr 10, 2012·Environment International·Jerzy FalandyszAlwyn R Fernandes
Sep 17, 2014·Journal of Environmental Science and Health. Part C, Environmental Carcinogenesis & Ecotoxicology Reviews·Jerzy FalandyszMartin Rose
Dec 2, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Y IshikawaS Sakai
Oct 5, 2006·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·J FalandyszY Noma
Aug 31, 2004·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Y NomaS Sakai
Aug 31, 2004·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Y NomaS Sakai
Jan 25, 2005·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Y NomaS Sakai
Jan 20, 2005·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Sonia SantosMaria Olímpia Oliveira Rezende
Jan 13, 2006·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Y NomaS Sakai
Feb 18, 2006·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·J FalandyszY Noma
Jul 13, 2004·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·J Falandysz, T Puzyn
Sep 13, 2007·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·E LukaszewiczJ Falandysz
Mar 16, 2012·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Jerzy FalandyszNobuyoshi Yamashita

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