Optical Analyzer for Continuous Monitoring of Dissolved Oxygen in Aviation Fuel and Other Non-aqueous Media

A special sensitive element based on the novel composite material was created. the sensor has a linear calibration and is resistant to aliphatic hydrocarbons, in particular aviation fuel. a low cost and easy-to-implement method for calibrating the sensor was proposed. temperature dependence of the oxygen mass transfer coefficient kl was measured for aviation fuel ts-1 (russian equivalent of jet a-1) in the temperature range of 10 to 40 °c as a demonstration of the sensor capabilities. the dependence found obeys the arrhenius equation with the parameters ea = 21.7 ± 1.5 kj/mol, kl0 = 1080 ± 90 m·h-1. the resistance to mechanical action is one of the important advantages over the sensor made of a sol-gel matrix with a protective coating. damage to some part of the surface does not change the properties of the entire sensor, since the composite material contains a large number of isolated particles with a dye.