پديد آورنده :
كرمي، فرشته
عنوان :
اندازه گيري مس و نيكل در مواد غذايي به روش ريز استخراج فاز مايع با فيبر توخالي و مروماتوگرافي مايع با كارايي بالا
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
شيمي تجزيه
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده شيمي
صفحه شمار :
دوازده،61ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
محمد سراجي، محمد تقي جعفري
توصيفگر ها :
سديم دي اتيل دي تيوكاربامات , فلزات سنگين
تاريخ نمايه سازي :
20/1/92
استاد داور :
علي اصغر انصافي، تقي خياميان
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
Determination of Cu and Ni in food samples with hollow fiber liquid phase microextraction and high performance liquid chromatography Fereshteh karami f karami@ch iut ac ir 2013 Department of Chemistry Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Abstract The goal of this thesis is separation and determination of trace amount of Cu and Ni heavy metals with hollow fiber liquid phase microextraction and high performance liquid chromatography Sodium diethyldithiocarbamate was used as complexing agent Several parameters affecting the extraction include type of organic solvent pH complexing agent concentration extraction time temperature and stirring rate were optimized At optimized conditions linear dynamic range from 10 to 1000 g L and 20 to 1000 g L with limit of detection of 1 2 2 g L for Cu and Ni respectively was obtained R 2 was 0 9992 and 0 991 with reproducibility of 2 2 and 2 3 0 2 mg L n 3 for Cu and Ni respectively The method was applied for determination of Cu and Ni in food samples include chocolate milk chocolate shrimp and fish Key words hollow fiber liquid phase microextraction high performance liquid chromatography Sodium diethyldithiocarbamate food samples heavy metals PDF created with pdfFactory trial version www pdffactory com
استاد راهنما :
محمد سراجي، محمد تقي جعفري
استاد داور :
علي اصغر انصافي، تقي خياميان