The technology we are developing consists of the use of coordination compounds with metals to carry out the detection of acetic acid, which is a harmful substance for human health and some art works.This work was supported by Ministerio de Ciencia e Innovación (Spain) under project PID2019-106601RB-I00, and Generalitat Valenciana (Spain) under projects IDIFEDER/2021/014 (cofunded by European Union through the FEDER Programme), PROMETEO 2021/006