کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
96996 | 160477 | 2011 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Latent fingermark visualisation using reduced-pressure sublimation of copper phthalocyanine
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Latent fingermark visualisation using reduced-pressure sublimation of copper phthalocyanine Latent fingermark visualisation using reduced-pressure sublimation of copper phthalocyanine](/preview/png/96996.png)
چکیده انگلیسی
The sublimation of copper phthalocyanine (CuPc) at a temperature of 400 °C under conditions of reduced pressure is shown to be an effective method of developing latent fingermarks on certain types of surface. Preliminary experiments on a limited selection of surfaces including paper, plastic and ceramic tiles were carried out using a simple apparatus consisting of a vacuum desiccator and a resistive heater. CuPc from the gas phase condenses preferentially on fingermark deposits, revealing deep blue patterns with excellent ridge detail clarity on light coloured surfaces. The technique is shown to be most effective on porous surfaces such as paper, but relatively ineffective on non-porous ceramic and plastic surfaces.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Forensic Science International - Volume 204, Issues 1â3, 30 January 2011, Pages e28-e31
Journal: Forensic Science International - Volume 204, Issues 1â3, 30 January 2011, Pages e28-e31
نویسندگان
Geraint Williams, Hefin ap Llwyd Dafydd, Alun Watts, Neil McMurray,