The last decades have seen an exponential increase in the consumption of electronic cigarettes (EC) amongst smokers. EC use a heated element to disperse a solution of propylene glycol, glycerine, water, flavouring and usually nicotine known as e-liquid. The heating of the e-liquid results ultimately in an aerosol that can be inhaled by the user.
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Comparison of different sample introduction techniques for the analysis and characterisation of e-liquids using GC-MS