کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10529012 | 960770 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Carbon paste electrode modified with silver thimerosal for the potentiometric flow injection analysis of silver(I)
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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: Carbon paste electrode modified with silver thimerosal for the potentiometric flow injection analysis of silver(I) Carbon paste electrode modified with silver thimerosal for the potentiometric flow injection analysis of silver(I)](/preview/png/10529012.png)
چکیده انگلیسی
The utility of carbon paste electrode modified with silver ethylmercurythiosalicylate (silver thimerosal) in both static mode and flow injection analysis (FIA) is demonstrated. The electrode was fully characterized in terms of composition, response time, thermal stability, usable pH and ionic strength ranges. It has been shown that diisononyl phthalate (DINP) acts as more suitable solvent mediator for preparation of the electrode, which exhibits linear response range to Ag(I) extending from 5.0 Ã 10â7 to 1.0 Ã 10â3 M with detection limit of 2.5 Ã 10â7 M and Nernstian slope of 59.3 ± 1.0 mV/decade. The proposed chemically modified carbon paste electrode shows a very good selectivity for Ag(I) over a wide variety of metal ions and successfully used for the determination of the silver content of silver sulphadiazine (burning cream) and developed radiological films. The electrode was also used as an indicator electrode in the potentiometric titration of thiopental and thimerosal with AgNO3.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Analytica Chimica Acta - Volume 545, Issue 2, 27 July 2005, Pages 158-165
Journal: Analytica Chimica Acta - Volume 545, Issue 2, 27 July 2005, Pages 158-165
نویسندگان
Hosny Ibrahim,