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Iranian Journal of Toxicology، جلد ۲، شماره ۴، صفحات ۲۸۷-۲۹۱
عنوان فارسی Determination of mercury concentration in the air of dental clinics and the urines of their personnel with cold vapor atomic absorption spectrometry
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله Air، Dentists،Urine، HG-AAS، Niosh، Toxic of Mercury
عنوان انگلیسی Determination of mercury concentration in the air of dental clinics and the urines of their personnel with cold vapor atomic absorption spectrometry
چکیده انگلیسی مقاله Background: Dental clinics are known to be one of the largest users of Toxic inorganic mercury. It is well documented that dentists and dental assistants who work with amalgam are chronically exposed to mercury vapor. This study investigates exposure to mercury vapor in a dental clinic. Methods: GBC cold vapor atomic absorption spectrometry (AAS), using sodium borohydride as the reducing agent, was employed to determine mercury concentrations. The determination of mercury in urine and air was carried out using a flow injection system after sample treatment according to the standard procedure. Result: In this study mercury exposure in some dentist and dental office personnel was examined. We studied 495 persons (280 dentists and 215 dental personnel) occupationally exposed to mercury while working at 58 dental clinics in Tehran. In addition 305 samples from dental office’s air were taken and their mercury was measured with HG-AAS. Conclution: In this study, mercury levels in dentists urine and dental office atmosphere were lower than occupational safety and health administration (OSHA). Results acquired from this study show that the amount of mercury were in normal range and it is lower than to the potential for adverse exposure to elemental mercury vapor concentration in a dental office.
کلیدواژه‌های انگلیسی مقاله Air, Dentists,Urine, HG-AAS, Niosh, Toxic of Mercury
نویسندگان مقاله حسن زوار موسوی | hassan zavvar mousavi
department of chemistry, college of science, semnan university, semnan, iran

سازمان اصلی تایید شده: دانشگاه سمنان (Semnan university)

احمد روح الهی | ahmad rouhollahi
department of chemistry, faculty of science, k.n toosi university of technology,tehran, iran

سازمان اصلی تایید شده: دانشگاه صنعتی خواجه نصیرالدین طوسی (Khajeh nasir toosi university of technology)

حمید شیرخانلو | hamid shirkhanloo
department of chemistry, faculty of science, k.n toosi university of technology,tehran, iran

سازمان اصلی تایید شده: دانشگاه صنعتی خواجه نصیرالدین طوسی (Khajeh nasir toosi university of technology)

نشانی اینترنتی http://ijt.arakmu.ac.ir/browse.php?a_code=A-10-2-41&slc_lang=en&sid=en
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