Sensitive determination of paraquat by square wave anodic stripping voltammetry with chitin modified carbon paste electrode
✍ Scribed by El Harmoudi, H.; Achak, M.; Farahi, A.; Lahrich, S.; El Gaini, L.; Abdennouri, M.; Bouzidi, A.; Bakasse, M.; El Mhammedi, M.A.
- Book ID
- 121313774
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- English
- Weight
- 846 KB
- Volume
- 115
- Category
- Article
- ISSN
- 0039-9140
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## Abstract The voltammetric behavior of paraquat was investigated at hydroxyapatite‐modified carbon paste electrode HAP‐CPE in K~2~SO~4~. A method was developed for the detection of the trace of this herbicide, based on their redox reaction. The reduction peaks of paraquat were observed around −0.
## Abstract A sensitive and selective procedure for the determination of trace tin at a carbon paste electrode was described. Each measurement cycle consisted of three steps: accumulation, reduction and stripping. The tin complex with bromopyrogallol red (BPR) was accumulated on the electrode surfa