Figure 2: Project of the µC-PFS developed. The µ C-PFS is composed by the following main units: A micro controlled motherboard with a 12 Volt DC to 110V/220V AC power inverter (1); 12 Volt battery with 7000 mA/h (2); 3 three-way solenoid valves (3); aquarium air pump (4); solution and sample compartment (5); confluence connection (6); electrochemical flow cell (7); control buttons (8) and LCD screen (9).
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