“…Therefore, for non-stationary systems, instantaneous impedance measurements are mandatory. Electrochemical impedance spectroscopy and interdigital sensors had been used by a number of researchers like phthalate detection [17][18][19][20] in food, evaluation of nitrate contamination in water [21][22][23][24][25], for environmental monitoring [26], for meat fat content inspection [27,28], moisture content estimation [29] etc. In the current research, the objective of the initial experiment is investigating response of the uncoated sensor to LPG at standard atmospheric condition.…”