Product
소개
ECD-700
Electrochemical Detector
• Add an ECD to any HPLC system
• Two cells per detector possible
• Amperometric or coulometric cells
• Dual electrode
Eicom’s ECD-700 electrochemical detector offers superior stability and sensitivity. It relies on the same proven detector cell that’s in the HTEC-500.
When the standard amperometric cell is fitted with the optional dual electrode, the ECD-700 can monitor two voltages at the same time.
A second amperometric and coulometric cell can be added to the unit at any time.
Coulometry or Amperometry
Coulometry detects analytes as they pass through a porous electrode. Electrolysis tends to be near complete. In amperometry, the analyte
contacts the surface of a smooth electrode, and only a portion of the analyte is detected. Amperometry ultimately gives better sensitivity
due to its higher signal to noise ratio. For this reason, Eicom recommends using amperometric cells whenever possible.
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