Ethanol (Et-OH), methanol (Me-OH), N,
N-dimethylformamide (DMF), hydrochloric acid (HCl), sulfuric acid (H
2SO
4 98 wt.%), potassium dihydrogen phosphate (KH
2PO
4), dipotassium hydrogen phosphate (K
2HPO
4), potassium sulphate (K
2SO
4), sodium sulphate (Na
2SO
4), potassium chloride (KCl), calcium nitrate anhydrous (Ca(NO
3)
2), and hydrogen peroxide (H
2O
2, 30 wt.%) were received from Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China). Graphene oxide (GO) and titanium isopropoxide (C
12H
28O
4Ti, TPOP 95 wt.%) were purchased from Macklin (Shanghai, China). 2-Aminoterephthalic acid (NH
2-BDC, 99 wt.%) was obtained from Sigma-Aldrich Corporation (Shanghai, China), and fenitrothion (assay > 95.8%) was supplied by TM-standard (Jiangsu, China). A working solution of 0.1 M phosphate-buffered solution (PBS) containing 80 mM KH
2PO
4, 120 mM K
2HPO
4, and 100 mM K
2SO
4 was used. The ultrapure water (18.20 MΩ cm) was acquired from
Milli-Q plus (Millipore, Billerica, MA, USA).
Shu Z., Zou Y., Wu X., Zhang Q., Shen Y., Xiao A., Duan S., Pi F., Liu X., Wang J, & Dai H. (2023). NH2-MIL-125(Ti)/Reduced Graphene Oxide Enhanced Electrochemical Detection of Fenitrothion in Agricultural Products. Foods, 12(7), 1534.