determination chloride anion by Potentiometric method based on carbon paste electrode modified with silver chloride

Authors

  • Zaher Alhamad Tishreen University
  • Hajar Naser Nasser Tishreen University
  • Faten Alaa Alden Tishreen University

Abstract

In this study, a selective electrode was prepared for determination of anion chloride in standard solutions based on a modified carbon paste by mixing 10% silver chloride, 45% graphite and 45% paraffin oil as a plasticizer. The prepared chloride electrode operates at  at laboratory temperature, the modified electrode exhibited a linear response and significant Nernstian response with a slope of   -55.0 mV/decade in the concentration range from  chloride ions significant correlation factor of  and response time in the range from (40-35)sec, stability time 20sec, Recovery R% (102.50-99.28) And a relative standard deviation   RSD% (8.345-4.179), the analytical detection limit reached     and the limit of quantitative detection, , within a confidence interval IS , The proposed method was applied to standard samples and then compared with a reference method, and the accuracy and validity of the used method was confirmed, through the (t) and (f-test) tests, where the value of ''t'' was less than the tabular value of t-tab and the value of the F-test was calculated and compared with Ftab at 95% confidence level, it was found that there is no clear difference between the two methods, and that the proposed method is characterized by ease, accuracy and low cost.

 

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Published

2023-03-27

How to Cite

1.
الحمد ظ, هاجر ناصر ناصر, فاتن علاء الدين. determination chloride anion by Potentiometric method based on carbon paste electrode modified with silver chloride. TUJ-BA [Internet]. 2023Mar.27 [cited 2024Nov.24];45(1):119-35. Available from: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/14375

Issue

Vol. 45 No. 1 (2023): Tishreen University Journal of Research and Scientific Studies - Basic Sciences Series

Section

Articles

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