Autotitrator based on an Arduino Open Source Pump
Metadatos
Mostrar el registro completo del ítemAutor
Castillo Santaella, Teresa del; Maldonado Valderrama, Julia; Fernández Rodríguez, Miguel ÁngelEditorial
Elsevier
Materia
Arduino Automated titration PH meter
Fecha
2023-08-07Referencia bibliográfica
T. del Castillo-Santaella et al. Autotitrator based on an Arduino Open Source Pump. HardwareX 15 (2023) e00464[https://doi.org/10.1016/j.ohx.2023.e00464]
Patrocinador
Project PID2020-116615RA-I00 funded by MCIN/AEI /10.13039/501100011033; EMERGIA grant with reference EMC21_00008 funded by Consejería de Universidad, Investigación e Innovación de la Junta de Andalucía; FEDER ‘‘ERDF (European Regional Development Fund) A way of making EuropeResumen
Acid–base titration is a quantitative analysis that enables knowing the quantity of acidic or
basic groups present in a solution sample. It consists in the addition of base or acid to the
solution sample while monitoring the pH to reach a neutral pH. The titration can be automated
and here we present a low cost Arduino based Open Source Pump (OSPump) modified to act as
an automated titrator with an obsolete but reliable Metrohm 713 pH meter. Our device is 50
times less expensive than second hand units from the pH meter manufacturer and inherently
open to customization. We present two validation cases of study, including the lipolysis of a
vegetable olive oil in water emulsion, characterized by the OSPump Titrator.