title: High-performance liquid chromatography with electrochemical detection for the determination of nicotine and N-methylnicotinium ion.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004563:Electrochemistry; D007202:Indicators and Reagents; D009538:Nicotine / Q000031:analogs & derivatives* / Q000032:analysis*; D010084:Oxidation-Reduction; D011726:Pyridinium Compounds
chemical_list: D007202:Indicators and Reagents; D011726:Pyridinium Compounds; C047661:N-methylnicotinium; D009538:Nicotine