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http://ri.uaemex.mx/handle20.500.11799/68380| Title: | Identification of Tequila with an Array of ZnO Thin Films: A Simple and Cost-Effective Method | Keywords: | Identificación de tequila;películas de ZnO;arrego de sensores de gas;reconocimiento de patrones;info:eu-repo/classification/cti/2 | Publisher: | MDPI | Project: | DOI;10.3390/s17122943 | Description: | Se trata de identificar calidad de bebidas alcohólicas An array of ZnO thin film sensors was obtained by thermal oxidation of physical vapor deposited thin Zn films. Different conditions of the thermal treatment (duration and temperature) were applied in view of obtaining ZnO sensors with different gas sensing properties. Films having undergone a long thermal treatment exhibited high responses to low ethanol concentrations, while short thermal treatments generally led to sensors with high ethanol sensitivity. The sensor array was used to distinguish among Tequilas and Agave liquor. Linear discriminant analysis and the multilayer perceptron neural network reached 100% and 86.3% success rates in the discrimination between real Tequila and Agave liquor and in the identification of Tequila brands, respectively. These results are promising for the development of an inexpensive tool offering low complexity and cost of analysis for detecting fraud in spirits. Beca CONACyT- Bilateral de estudios de Doctorado |
URI: | http://ri.uaemex.mx/handle20.500.11799/68380 | Other Identifiers: | http://hdl.handle.net/20.500.11799/68380 | Rights: | info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0 |
| Appears in Collections: | Producción |
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