Bismuth Nanoparticles in Stripping Voltammetry of Sulfide Ions

Bismuth Nanoparticles in Stripping Voltammetry of Sulfide Ions

For the first time, carbon screen‐printed electrodes (CSPE) modified with bismuth nanoparticles have been used to determine sulfide ions with stripping voltammetry (SV) by formation of sparingly soluble compounds with the electrode material. The impact of weight, degree of bismuth dispersion on CSPE...

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Bibliographic Details
Published in:Electroanalysis (New York, N.Y.) Vol. 26; no. 7; pp. 1445 - 1448
Main Authors: Sudakova, L. A., Malakhova, N. A., Stozhko, N. Yu
Format: Journal Article
Language:English
Published: Weinheim WILEY-VCH Verlag 01-07-2014
WILEY‐VCH Verlag
Subjects:
Bismuth
Bismuth nanoparticles
Carbon
Dispersions
Electrochemistry
Electrodes
Nanoparticles
Stripping
Stripping analysis
Sulfide
Sulfides
Voltammetry
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Summary:For the first time, carbon screen‐printed electrodes (CSPE) modified with bismuth nanoparticles have been used to determine sulfide ions with stripping voltammetry (SV) by formation of sparingly soluble compounds with the electrode material. The impact of weight, degree of bismuth dispersion on CSPE surface, and Bi2S3 accumulation parameters on the sensitivity of the sensor have been studied. It has been established that bismuth nanoparticles (Binano) as agglomerates of about 180 nm exhibit the optimum sensory properties. The linear concentration range has been observed over the interval of 0.93–5 µM sulfide ions during the accumulation time of 75 s. A detection limit of 0.15 µM sulfide ions was achieved.
Bibliography:istex:5F1D2852C157E023833AD04650E81F2172C6A98D
RFFI - No. 13-03-00285_a, # 13-00-14148_Ir, # 12-03-31867_mol_a
ark:/67375/WNG-3ZPGKJJ2-9
ArticleID:ELAN201400130
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.201400130