Abstract：
:In this study, a simple, rapid, sensitive and environmentally friendly electroanalytical detection method for pyrimethanil (PMT) was developed, which was based on multi-walled carbon nanotubes (MWCNTs) and ionic liquids (IL) 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) modified glassy carbon electrode (GCE). MWCNTs-IL modified electrode significantly enhanced the oxidation peak current of PMT by combining the excellent electrochemical properties of MWCNTs and IL, suggesting that the modified electrode can remarkably improve the sensitivity of PMT detection. Under the optimum conditions, this electrochemical sensor exhibited a linear concentration range for PMT of 1.0 × 10(-7)-1.0 × 10(-4) mol L(-1) and the detection limit was 1.6 × 10(-8) mol L(-1) (S/N = 3). The fabricated electrode showed good reproducibility, stability and anti-interference, and also it was successfully employed to detect PMT in real samples.
journal_name
Food Chemjournal_title
Food chemistryauthors
Yang J,Wang Q,Zhang M,Zhang S,Zhang Ldoi
10.1016/j.foodchem.2015.04.009subject
Has Abstractpub_date
2015-11-15 00:00:00pages
1-6eissn
0308-8146issn
1873-7072pii
S0308-8146(15)00540-3journal_volume
187pub_type
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