2007
DOI: 10.3989/cyv.2007.v46.i4.239
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Mejora de sensores vítreos sol-gel para la conservación preventiva de materiales históricos frente a la acidez

Abstract: Sensors based on sol-gel glassy coatings doped with 2[4-(dimethyl-amino) phenylazo] benzoic acid are able to change their optical absorption when they are submitted to different concentration of H 3 O + and OH -. The sensors behaviour in field tests was studied in Cracow (Poland), varying the normal procedure of operation to improve their response. Both the sensors optical parameters and the environmental conditions (temperature, humidity, pressure, SO 2 and NO x concentrations) were measured. The sensors resp… Show more

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Cited by 6 publications
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