Reacted at 200 for 1 sample was dried at was driedcollected. The excellent ternary nanomaterial ZnO-TiO2 -rGO was2-rGO was [36]. The and at 60 and collected. The ideal ternary nanomaterial ZnO-TiO obtained obtained [36]. The experimental process is illustrated in Figure 1. experimental procedure is illustrated in Figure 1.Figure 1. Schematic Quinacrine hydrochloride Data Sheet diagram of your synthesis of ZnO-TiO -rGO nanomaterials. Figure 1. Schematic diagram of your synthesis of ZnO-TiO22 -rGOnanomaterials.2.3. Fabrication and Testing of Sensors two.3. Fabrication and Testing of Sensors For gas testing, the complete system consists of synthetic dry air unit, programmable For gas testing, the whole method consists of aasynthetic dry air unit, aaprogrammable DCpower provide (RIGOL DP832A), a Paclitaxel D5 Purity digital source meter (Keysight B2902A), and andL energy supply (RIGOL DP832A), a digital source meter (Keysight B2902A), a 1 a DC 1 L gas chamber. The synthetic dry air consists of 21 oxygen and 79 nitrogen. The gas chamber. The synthetic dry air consists of 21 oxygen and 79 nitrogen. The proprogrammable DC power supply controls and regulates the temperature to which the grammable DC energy provide controls and regulates the temperature to which the sensor sensor is by connecting a resistive wire by way of an electrode. A digital supply meter is adaptedadapted by connecting a resistive wire by way of an electrode. A digital source meter displays the present and voltage on the sensor throughout operation, as well as the modify in resistance with the sensor through operation is displayed and recorded by the Labview application inside the pc. The sensor is impacted by the entry and exit of air and target gas within the confined chamber, and its resistance magnitude varies with some regularity. TheChemosensors 2021, 9,displays the current and voltage with the sensor for the duration of operation, and the adjust in resistance with the sensor during operation is displayed and recorded by the Labview software inside the laptop or computer. The sensor is affected by the entry and exit of air and target gas within the confined chamber, and its resistance magnitude varies with some regularity. The target four of 12 gas is the vapor pressure of distinctive substances at various temperatures calculated applying Antoine’s formula, as shown in Equation (1). (1) log = – /( + ) target gas may be the vapor stress of various substances at unique temperatures calculated exactly where P could be the vapor pressure with the substance in mmHg. T will be the temperature in . B applying Antoine’s formula, as shown in Equation (1). and C are the corresponding constant coefficients. By calculation, the saturation vapor pressure of some organic gases will 10 P =a A – B/( T + C ) volume, and experiments will log have corresponding (1) be performed with unique sizes of syringes. where Psensor vapor pressure of theand consists of a ceramicis the temperature in gold The will be the is shown in Figure 2 substance in mmHg. T tube, Ni-Cr heater, a C. B and C will be the platinum wire. The ready nanomaterials were mixed saturation vapor electrode, and acorresponding continuous coefficients. By calculation, thewell using a small pressure of some and applied may have a corresponding volume, and experiments will likely be amount of ethanolorganic gases for the surface of your ceramic tube to measure the gas-senperformed with distinctive sizes response of sitive properties of your gas. The of syringes. the gas sensor for the target gas is defined by The sensor is shown in Figure two and consists of a ceramic tube, Ni-Cr heat.