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Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body, BNC Connector, electrode L 110 mm
Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body, BNC Connector, electrode L 120 mm
Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body, BNC, electrode L 120 mm
Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body, Standard pin, electrode L 55 mm , with bulb guard
Sigma-Aldrich® standard Ag/AgCl double junction pH combination electrode, glass body, BNC, electrode L 55 mm , with bulb guard