Sample : CN–
Column : Shodex IEC DEAE-825 (8.0mmID*75mm)
Eluent : (10mM Sodium carbonate + 1mM Ethylenediamine) aq./CH3OH=90/10
Flow rate : 1.0mL/min
Detector : ECD(Electrode; Ag 0mV SCE)
Column temp. : 40°C
Detection Limit of Cyanide
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Combining IEC DEAE-825 (a column for weak anion exchange chromatography) with an electrochemical detector (ECD) has permitted sensitive detection of cyanide. With this method, the detection limit of cyanide is 0.2 micro-g/L.