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【讨论】PFOS文章翻译!

  • 迷失的精灵
    2008/08/25
  • 私聊

专业英语

  • 以下段落请大家有时间的时候讨论翻译,提高一下自己,谢谢回复!
    The term Perfluoroctane sulfonates (PFOS), means any substance
    containing the PFOS moiety (C8F17SO2) with the potential to
    degrade to the anionic form C8F17SO3- in the environment.
    These substances include the acid form of PFOS, the metal salts
    and the halides of PFOS and also the amides. Polymers including
    the PFOS moiety are also within the scope of Directive
    2006/122/EC. The limit values in the Directive mean the
    concentration of extractable PFOS measured with CEN methods
    and expressed as the corresponding amount of PFOS acid.
    Official controls for the enforcement of the limits mentioned in the
    Directive will make use of CEN standards (currently under
    development). The limits in the Directive will therefore, eventually
    mean the PFOS content as measured by the CEN methods. The
    analytical methods under consideration by CEN are Liquid
    Chromatography/Mass Spectroscopy (LC/MS) for anionic PFOS
    species, and Gas Chromatography/ Mass Spectroscopy (GC/MS) for
    non-ionic PFOS species.
    As both methods require liquid samples, for semi-finished products
    and articles, solvent extraction of PFOS will be required and a CEN
    method for this will be developed. The extracted PFOS species are
    expected to be mainly anionic, but non-ionic species may also be
    present in the liquid samples. In practice, samples may well contain
    several PFOS species and they must all be taken into account for
    calculating the total PFOS concentration. However, the molecular
    weights of the various PFOS species in a sample can cover a wide
    range of values. Aggregation of the amounts of the different
    species is therefore best achieved by first calculating the
    corresponding amounts of a reference species, i.e. PFOS acid
    C8F17SO3H.
    Annex I to Directive 76/769/EEC is hereby amended as set out in the Annex to this Directive.
    Article 21.
    Member States shall adopt and publish, not later than 27 December 2007, the laws, regulations and administrative
    provisions necessary to comply with this Directive. They shall forthwith communicate to the Commission the text of
    those measures and a table showing the correlation between those measures and this Directive.
    They shall apply these measures from 27 June 2008.
    The following point is added to Annex I to Directive76/769/EEC: Point 52. Perfluorooctane sulfonates (PFOS)
    C8F17SO2X(X=OH, Metal salt(O-M+), halide, amide, and other derivatives including polymers)
    (1) May not be placed on the market or used as a substance or constituent of preparations in a concentration equal
    to or higher than 0.005% by mass.
    (2) May not be placed on the market in semi-finished products or articles, or parts there of, if the concentration of
    PFOS is equal to or higher than 0.1% by mass, calculated with reference to the mass of structurally or microstructurally
    distinct parts that contain PFOS. Or for textiles or other coated materials, if the amount of PFOS is equal
    to or higher than 1μg/m2 of the coated material.
    (3) By way of derogation, paragraphs 1 and 2 shall not apply to the following items, nor to substances
    and preparations needed to produce them:
    (a) photoresists or anti-reflective coatings for photolithography processes.
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  • 闲鹤野云

    第1楼2008/08/25

    不少专业词汇呢,楼主给几个提示

0
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  • happyjyl

    第2楼2008/08/25

    Perfluoroctane sulfonates 应该是Perfluorooctane sulfonates,全氟辛烷磺酸,欧盟06年年底公布了一个指令,除少数行业外,禁止在成品和半成品中使用全氟辛烷磺酸。这对中国出口企业来说是个技术壁垒,因为很多工业产品中都含有全氟辛烷磺酸。

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