OI Analytics CNSolution™ 9310 On-line Cyanide Analyzer
The OI Analytical CNSolution™ 9310 On-line Cyanide Analyzer is designed to measure available cyanide in precious metal leaching solutions by U.S. EPA Method OIA-1677 and ASTM D 6888-09. The gas-diffusion amperometry technique in these methods has been demonstrated to be free of interferences from copper and metallic sulfides that impair the accuracy of traditional techniques such as titration.
- Features
- Specifications
Deploying CNSolution 9310 On-line Cyanide Analyzers enables gold and silver mills to accurately measure and control cyanide levels at key points in the cyanidation process. Continuous on-line monitoring provides a dynamic view of the process rather than periodic snapshots obtained by grab sampling and laboratory analysis. Improved accuracy facilitates tighter control of cyanide usage and can significantly reduce a plant's operating costs.
Specification | |
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Operating Principle | FIA by gas diffusion amperometry |
Measurement Technique | Amperometric detection – silver electrode |
Measurement Ranges | 0.2 to 50 / 2.0 to 500 / 20 to 2000 ppm CN |
Reference Methods | USEPA OIA-1677 / ASTM D 6888-09 (Available CN) |
Calibration | 2 point calibration |
Measurement Accuracy | + 5% at 50-ppm |
Sample Introduction | Continuous on-line fill-and-spill sampling system |
Sampling Interval | User programmable |
Analysis Time | <3 minutes |
Operating Environment | 5 – 45 °C, up to 90% humidity (non-condensing) |
Operator Interface | Windows® CE-based, Color touch-screen display |
Reagents Required | Water, NaOH, HCl, CN– calibration standards |
Power Requirements | 24VDC |
Output Relays | 2 (system alarm, sample alarm) |
Analog Output | 2 4-20mA (user-configurable concentration) |
Data Export | To PC via Ethernet, or using USB memory stick |
Instrument Enclosure | NEMA 4X / IEC Class IP-56 |
External Dimensions | 48.3 cm H x 31.1 cm W x 31.1 cm D (19 " H x 12.25 " W x 12.25 " D) |
Weight | 11 kg (24 lbs.) |