Fast and Sensitive Determination of Acetic Anhydride in the Air Using Hollow Fiber Method
سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 202
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شناسه ملی سند علمی:
JR_ANALCH-7-2_005
تاریخ نمایه سازی: 16 بهمن 1401
چکیده مقاله:
This study aimed to introduce a new method based on Hollow Fiber in order to determination of acetic anhydride (AA) in the air. Hydroxylamine hydrochloride and sodium hydroxide (۱:۱), were used as extraction solvent. This method was studied in the laboratory under various conditions. In order to make different concentrations of AA in the air, a standard glass chamber was used. The optimization of the sampling parameters and breakthrough volume was performed using the response surface method (RSM) and Design-Expert software (v.۱۱.۰). The results of the study indicated that the optimum sampling rate was ۱۰ mL/min. The repeatability estimates of the proposed method including intra and inter-day were in the confine of ۰.۰۷۹–۰.۱۱ and ۰.۰۸۱–۰.۱۴, respectively. The limit of detection (LOD) and limit of quantitation (LOQ) of the examined analytes were ۰.۰۰۳ and ۰.۰۰۹ ng/mL, respectively. The storage time for the HF sampling method was seven days at laboratory temperature. The overall conclusion is that the HF sampling method showed a great sensitivity for the sampling of AA in the air. It could be assumed that HF sampling method is a fast, reliable and sensitive method and had a proper performance in the sampling of AA, compared to the National Institute for Occupational Safety and Health (NIOSH)- ۳۵۰۶ method.
کلیدواژه ها:
نویسندگان
Farzane Mollabahrami
Occupational Health, Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
Abdulrahman Bahrami
Center of Excellence for Occupational Health, Research Center for Health Sciences, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
Elnaz Taheri
Occupational Health, Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
Maryam Farhadian
Department of Biostatistics, School of Public Health and Research Center for Health Sciences, Hamadan University of Medical Sciences, Hamadan, Iran
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