Application of IR spectroscopy to control oxidation inhibitor (ionol) concentration in mineral transformer oilsMarsel Sh. Garifullin, Marina N. Lyutikova, Adelya R. Kuchkarova, Azat R. Bikzinurov and Yuliya N. SolobodinaE3S Web of Conf., 216 (2020) 01056DOI: https://doi.org/10.1051/e3sconf/202021601056