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By-side PCDD/Fs in technical PCB formulations of Kanechlor series

机译：Kanechlor系列工业PCB配方中的PCDD / Fs旁观

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摘要

The Japanese Kanechlor technical PCB formulations such as KC-300, KC-400, KC-500, KC-600 and KC-1000 have been examined for possible contamination with by-side PCDD/Fs. 75 PCDDs and 135 PCDF have been determined using isotope dilution, separation and enrichment on silica gel impregnated with activated carbon, and final HRGC/HRMS measurement. MonoCDDs to OCDD were absent in KC-300, KC-600 and KC-1000. Tetra- and PentaCDDs occurred at > 1 ng/g in KC-400 and KC-500. The Kanechlors were contaminated with nearly all 135 PCDFsw. In parallel with an increasing degree of chlorination of a particular Kanechlor formulation examined increased also the content of more chlorinated PCDFs. In term of total dioxin-like toxicity and TEQ loads the KC-500 contained highly toxic PCDD/Fs at 270 ng TEQ/g and followed by KC-400 with 269 ng TEQ/g, KC-600 with 188 ng TEQ/g, KC-1000 with 164 ng TEQ/g and KC-300 with 79 ng TEQ/g. From 99.5 to 100% of PCDD/Fs toxicity found in the Kanechlors was from PCDFs.
机译：已对日本Kanechlor技术PCB配方（例如KC-300，KC-400，KC-500，KC-600和KC-1000）进行了检查，以了解其是否被副PCDD / F污染。使用同位素稀释，在浸渍有活性炭的硅胶上进行分离和富集以及最终的HRGC / HRMS测量，确定了75种PCDD和135种PCDF。在KC-300，KC-600和KC-1000中缺少OCDD的MonoCDD。在KC-400和KC-500中，四元和五元CDD的发生率> 1 ng / g。几乎所有135 PCDFsw都污染了Kanechlors。同时，随着所检查的特定Kanechlor制剂氯化程度的提高，更多氯化PCDF的含量也增加。就总二恶英类毒性和TEQ负荷而言，KC-500含有270 ng TEQ / g的高毒性PCDD / F，其次是KC-400 269 ng TEQ / g，KC-600 188 ng TEQ / g，含164 ng TEQ / g的KC-1000和含79 ng TEQ / g的KC-300。 Kanechlors中发现的PCDD / Fs毒性的99.5％至100％来自PCDF。

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  • 来源
    《Journal of Environmental Science and Health》 |2009年第14期|1528-1537|共10页
  • 作者

    K. NOSE; J. FALANDYSZ; B. WYRZYKOWSKA; A. ORLIKOWSKA; Y. NOMA;

  • 作者单位

    National Institute for Environmental Studies, Tsukuba, Japan;

    Department of Environmental Chemistry, Ecotoxicology & Food Toxicology, University of Gdansk, 18 Sobieskiego Str., PL 80-952 Gdansk, Poland;

    Department of Environmental Chemistry, Ecotoxicology & Food Toxicology, University of Gdansk, Gdansk, Poland;

    Department of Environmental Chemistry, Ecotoxicology & Food Toxicology, University of Gdansk, Gdansk, Poland;

    National Institute for Environmental Studies, Tsukuba, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    PCBs; PCDDs; PCDFs; dioxin-like compounds; POPs; persistent compounds; environmental pollution; hazardous compounds;

    机译：PCB;PCDDs;PCDFs;二恶英样化合物;持久性有机污染物;持久性化合物;环境污染;有害化合物;

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