دانلود مقاله انگلیسی رایگان:تبعیض رنگ پنجره اتومبیل با استفاده از طیف سنجی ATR-FTIR و شیمی سنجی - 2020
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  • Discrimination of automotive window tint using ATR-FTIR spectroscopy and chemometrics Discrimination of automotive window tint using ATR-FTIR spectroscopy and chemometrics
    Discrimination of automotive window tint using ATR-FTIR spectroscopy and chemometrics

    سال انتشار:

    2020


    عنوان انگلیسی مقاله:

    Discrimination of automotive window tint using ATR-FTIR spectroscopy and chemometrics


    ترجمه فارسی عنوان مقاله:

    تبعیض رنگ پنجره اتومبیل با استفاده از طیف سنجی ATR-FTIR و شیمی سنجی


    منبع:

    Sciencedirect - Elsevier - Forensic Science International, 313 (2020) 110338. doi:10.1016/j.forsciint.2020.110338


    نویسنده:

    Braden Granta, Georgina Sauziera,b,*, Simon W. Lewisa,b,*


    چکیده انگلیسی:

    Automotive window tints are commonly applied to motor vehicles to reduce transmittance of light and heat into the interior. They may hence be encountered as physical evidence in criminal investigations, or in civil matters where a tint is suspected to originate from a different source than advertised. Establishing a tint’s provenance would be highly relevant in such cases. However, there are currently a lack of established guidelines for forensic tint analysis. This study used attenuated total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy with chemometrics to characterize automotive tints based on their adhesive composition. Minimal variability was observed within a single roll of tint, however substantial variability was observed between tints of different brands. Certain individual tint products were also found to possess highly distinctive spectra. Subsequent predictive models were able to associate unknown tint samples to their brand, and found to be robust to both adhesive curing and shortterm environmental exposure over a five-month period. The use of ATR-FTIR spectroscopy and chemometrics thus offers a rapid and objective approach to discriminating automotive tints for forensic purposes.
    Keywords: Polymer | Automotive | Forensic | Chemometrics | Infrared spectroscopy


    سطح: متوسط
    تعداد صفحات فایل pdf انگلیسی: 9
    حجم فایل: 1696 کیلوبایت

    قیمت: رایگان


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