Sensitive determination of bisphenol A in plastic products by derivative voltammetry using an acetylene black paste electrode coated with salicylaldehyde-modified chitosan

2013 ◽  
Vol 93 (11) ◽  
pp. 1116-1131 ◽  
Author(s):  
Peihong Deng ◽  
Zhifeng Xu ◽  
Yonglan Feng
2016 ◽  
Vol 39 (24) ◽  
pp. 4851-4857 ◽  
Author(s):  
Wanzhen Xu ◽  
Fei Yuan ◽  
Chunyan Li ◽  
Weihong Huang ◽  
Xiangyang Wu ◽  
...  

Sensors ◽  
2016 ◽  
Vol 16 (9) ◽  
pp. 1539 ◽  
Author(s):  
Xiaoyun Wei ◽  
Qiang Zhao ◽  
Weixiang Wu ◽  
Tong Zhou ◽  
Shunli Jiang ◽  
...  

2017 ◽  
Vol 15 (4) ◽  
pp. 371-374 ◽  
Author(s):  
Saeed Ahmed Lakho ◽  
Sarfaraz Ahmed Mahesar ◽  
Abdul Rauf Khaskheli ◽  
Sirajuddin ◽  
Syed Tufail Hussain Sherazi ◽  
...  

Sensors ◽  
2019 ◽  
Vol 19 (4) ◽  
pp. 941 ◽  
Author(s):  
Rahadian Zainul ◽  
Nurashikin Abd Azis ◽  
Illyas Md Isa ◽  
Norhayati Hashim ◽  
Mohamad Syahrizal Ahmad ◽  
...  

This paper presents the application of zinc/aluminium-layered double hydroxide-quinclorac (Zn/Al-LDH-QC) as a modifier of multiwalled carbon nanotubes (MWCNT) paste electrode for the determination of bisphenol A (BPA). The Zn/Al-LDH-QC/MWCNT morphology was examined by a transmission electron microscope and a scanning electron microscope. Electrochemical impedance spectroscopy was utilized to investigate the electrode interfacial properties. The electrochemical responses of the modified electrode towards BPA were thoroughly evaluated by using square-wave voltammetry technique. The electrode demonstrated three linear plots of BPA concentrations from 3.0 × 10−8–7.0 × 10−7 M (R2 = 0.9876), 1.0 × 10−6–1.0 × 10−5 M (R2 = 0.9836) and 3.0 × 10−5–3.0 × 10−4 M (R2 = 0.9827) with a limit of detection of 4.4 × 10−9 M. The electrode also demonstrated good reproducibility and stability up to one month. The presence of several metal ions and organic did not affect the electrochemical response of BPA. The electrode is also applicable for BPA determination in baby bottle and mineral water samples with a range of recovery between 98.22% and 101.02%.


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