کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10561512 | 969775 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The first use of a Rh(III) complex as a novel ionophore for thiocyanate-selective polymeric membrane electrodes
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: The first use of a Rh(III) complex as a novel ionophore for thiocyanate-selective polymeric membrane electrodes The first use of a Rh(III) complex as a novel ionophore for thiocyanate-selective polymeric membrane electrodes](/preview/png/10561512.png)
چکیده انگلیسی
The feasibility of a newly synthesized Rh(III) complex, Rh[(trpy)(bpy)Cl](PF6)2, as a novel ionophore for the preparation of anion-selective polymeric membrane electrodes was tested. The ionophore exhibited anti-Hofmeister behavior with enhanced potentiometric selectivity toward thiocyanate ion compared to other anions. The influence of some experimental parameters such as membrane composition, nature and amount of plasticizer and additive and concentration of internal solution on the potential response of the SCNâ sensor were investigated. The electrode exhibits a Nernstian response for SCNâ over a wide concentration range (1.0 à 10â5 to 1.0 à 10â1 M) with a slope â58.7 ± 0.5 mV per decade and a detection limit of 4.0 à 10â6 M (0.23 ppm). It could be used in a pH range of 3.0-8.0 and has a fast response time of about 15 s. The proposed sensor was used for the determination of thiocyanate ions in real samples such as urine and saliva of smokers and nonsmokers and, as an indicator electrode, in potentiometric titrations of SCNâ ion.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Talanta - Volume 65, Issue 4, 28 February 2005, Pages 991-997
Journal: Talanta - Volume 65, Issue 4, 28 February 2005, Pages 991-997
نویسندگان
Mojtaba Shamsipur, Sohrab Ershad, Naser Samadi, Ali Reza Rezvani, Hasan Haddadzadeh,