All-Solid-State pH Sensor Used in Oil Drilling Mud

Autor:	Claude Bohnke, Stéphanie Lorant, Odile Bohnke, Jerome Breviere
Rok vydání:	2012
Předmět:	Materials science chemistry.chemical_element Glass electrode Reference electrode Analytical Chemistry law.invention Microelectrode chemistry Chemical engineering Quinhydrone electrode law Drilling fluid visual_art Electrode Electrochemistry visual_art.visual_art_medium Lithium Ceramic
Zdroj:	Electroanalysis. 25:223-229
ISSN:	1040-0397
DOI:	10.1002/elan.201200367
Popis:	A new all-solid-state pH sensor combining an Ion-Selective Electrode (ISE) for pH measurements and an all-solid-state reference electrode using a lithium ion conducting ceramic is presented. The use of a liquid internal reference in commercialized pH and reference electrodes leads to important drawbacks that considerably limit their use for in-situ measurements. The manufacturing and properties of an all-solid-state reference electrode made of the ceramic Li0.3La0.57TiO3 (LLTO) and an all-solid-state pH microelectrode are described. Both electrodes are combined to prepare an all-solid-state pH sensor which can be used in different applications such as medicine, food industry or oil or water drilling industries.
Databáze:	OpenAIRE
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