پديد آورنده :
رحيمي، معصومه
عنوان :
اثر ميدان الكترومغتاطيسي بر ميزان رسوب صابون در آب سخت
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
شيمي نساجي
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده نساجي
صفحه شمار :
ده، 113، [II] ص.: مصور، جدول، نمودار
يادداشت :
ص. ع. به فارسي و انگليسي
استاد راهنما :
عليرضا مرادي، جواد پورآباده
توصيفگر ها :
ميدان مغناطيسي , صابون سديم، پتاسيم اولئات
تاريخ نمايه سازي :
15/7/86
استاد داور :
مهران غياثي، رضا ربيعي
تاريخ ورود اطلاعات :
1396/02/24
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتال
چكيده انگليسي :
150AbstractNo substance has ability of cleaning like soaps but they have poor cleansing action in hardwater In this work hard water circulated at a constant flow rate in electromagnetic fieldproduced by a solenoid coil electronic device Treated water has used with soaps The amount of calcium and magnesium ions fromprecipitation of sodium and potassium stearate and oleate in hard water have determinedby using titration method or EDTA complexometry Electric conductivity and surface tension of treated water was measured too The resultsshow that electromagnetic field has meaningful effect on properties of hard water likeelectric conductivity and surface tension The electric conductivity and surface tensionincreased about 9 and 5 percent respectively in treated hard water Also it has shown that the electromagnetic fields decrease the total amount of calcium andmagnesium ions from precipitation of sodium and potassium stearate and oleate in hardwater The maximum amount of this reduction is 17 percent about potassium oleate Theoptimum strength of electromagnetic filed is 53 mT and the optimum time is 3 min Thiseffect is more evident when solution pH and current in solenoid increase
استاد راهنما :
عليرضا مرادي، جواد پورآباده
استاد داور :
مهران غياثي، رضا ربيعي
