Automated multi-sample electrochemical analysis system

The automated multi-sample electrochemical analysis system with doped diamond electrodes and a surface reactivation protocol addresses electrode fouling, enabling accurate and efficient multi-sample analysis.

FR3167207A1Pending Publication Date: 2026-04-10COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
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Patent Information

Application Number
FR2024010815
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-10-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing laboratory analytical devices are unable to perform automated multi-sample electrochemical analysis without electrode fouling issues, which cause measurement drift, and mercury-based methods are toxic and unsuitable for automation.

Method used

An automated multi-sample electrochemical analysis system using doped diamond electrodes with a surface reactivation protocol, controlled by a robotic platform, to minimize electrode fouling and ensure accurate measurements.

Benefits of technology

Enables automated, drift-free electrochemical analysis of multiple samples with doped diamond electrodes, maintaining measurement accuracy and reducing contamination risks.

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Abstract

The invention relates to an automated multi-sample electrochemical analysis system (1) comprising: a sample holder (2) adapted to receive: a plurality of containers (16), each containing an analytical solution; and a first reservoir for a surface reactivation solution; a probe (5) carrying a doped diamond-based working electrode (6) and a counter electrode (7); a controller (8); a robotic platform (9) adapted to be controlled by the controller to perform a relative movement of the probe and the sample holder so as to immerse the electrodes sequentially in the surface reactivation solution and then in the analytical solution of one of the containers. Figure 1
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