2021
DOI: 10.3390/s21051811
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Bismuth Film-Coated Gold Ultramicroelectrode Array for Simultaneous Quantification of Pb(II) and Cd(II) by Square Wave Anodic Stripping Voltammetry

Abstract: The widespread presence of heavy metals in drinking water sources arises as a major health concern, particularly in developing countries. The development of low-cost and reliable detection techniques is identified as a societal need to provide affordable water quality control. Herein, a bismuth film-coated gold ultramicroelectrode array (BF-UMEA) was used for the detection of Pb(II) and Cd(II) in water samples via square wave anodic stripping voltammetry (SWASV). Experimental parameters such as deposition time… Show more

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Cited by 14 publications
(6 citation statements)
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“…7,12,243 In the last five years, the research was focused on preparing two main types of film electrodes, i.e. , metallic- 25,40,50,83,181,197,233,235,245–273 and polymeric-film electrodes. 77,91,94,95,141,210,217,220,223–230,274–276 However, the combination of metallic (Bi) and polymer films ( i.e.…”
Section: Film-forming Substances As Electrode Modifiersmentioning
confidence: 99%
See 2 more Smart Citations
“…7,12,243 In the last five years, the research was focused on preparing two main types of film electrodes, i.e. , metallic- 25,40,50,83,181,197,233,235,245–273 and polymeric-film electrodes. 77,91,94,95,141,210,217,220,223–230,274–276 However, the combination of metallic (Bi) and polymer films ( i.e.…”
Section: Film-forming Substances As Electrode Modifiersmentioning
confidence: 99%
“…Bismuth film electrodes (BiFEs) are among the most employed electrodes in the determination of trace heavy metals. 25,40,50,83,181,197,233,235,245–260 In addition to its low toxicity and the ability to form alloys with other metals, bismuth has a wide potential range, which allows BiFEs to have comparable analytical performance to the mercury electrodes in trace heavy metal analysis. 7,243,244 The film can be electrochemically deposited directly on the electrode surface from the solution containing both the modifier and the analytes ( in situ preparation) or through film deposition before the electrode is introduced in the sample solution ( ex situ preparation).…”
Section: Film-forming Substances As Electrode Modifiersmentioning
confidence: 99%
See 1 more Smart Citation
“…Improving the accuracy of Cd spectral detection is of great significance in the application of soil heavy metal detection. Nowadays, the spectral non-destructive testing method based on microelectronic process integration has the advantages of rapid detection, simplicity, high resolution, and multiple bands [ 19 , 20 , 21 ] and has become an important method for the real-time and efficient detection of environmental pollution. For example, the detection of Pb (II) and Hg (II) in water can use three nickel hexacyanoferrate-film-modified Pt/n-n+-si electrodes to fulfil high-precision detection requirements [ 22 ]; the limit of detection of paclobutrazol in soil can be 0.075 mg/kg using the sensor based on Ag-based composite surface enhanced Raman scattering (SERS) substrate [ 23 , 24 ]; and the application of silicon drift detector (SDD) in XRF can cause the limit of detection of the Cd (II) content in soil reach 0.2 mg/kg and the qualified rate of accuracy is greater than 90%, which can meet the requirements of soil pollution detection [ 25 ].…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, it is critical and a source of worry for researchers to identify lead content in environmental, dietary, and bioassays. Lead content assays, such as atomic absorption spectrophotometry [4] [5] [6], differential pulse anodic stripping voltammetry (DPASV) [7][8] [9], and square wave anodic stripping voltammetry [10] [11] [12], continue to be effectively developed.…”
Section: Introductionmentioning
confidence: 99%