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A Universal Free-Standing Accessory to Improve ICP Productivity

A Universal Free-Standing Accessory to Improve ICP Productivity. Jerry Dulude, Glass Expansion, Inc., 4 Barlows Landing Rd., Pocasset, MA 02559, jdulude@geicp.com . Integration. AS to sample. Rinse. AS to rinse. Smpl fills line. Plasma equil. Smpl empties line. 7. 5. 3. 1.

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A Universal Free-Standing Accessory to Improve ICP Productivity

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  1. A Universal Free-Standing Accessory to Improve ICP Productivity Jerry Dulude, Glass Expansion, Inc., 4 Barlows Landing Rd., Pocasset, MA 02559, jdulude@geicp.com

  2. Integration AS to sample Rinse AS to rinse Smpl fills line Plasma equil Smpl empties line 7 5 3 1 Sample Cycle for Unattended ICP Analysis 6 4 2 Glass Expansion www.geicp.com

  3. Benefits of Decreasing the Analytical Cycle • More samples/hour • Faster sample turn-around time • Delay procurement of additional instruments • Reduce consumables cost/sample • Argon • Torches • Nebulizers • Cones Glass Expansion www.geicp.com

  4. Methods to Reduce Analysis Cycle(without degrading performance) • Minimize dead volume • Software approaches • Valve switching Glass Expansion www.geicp.com

  5. Removing Dead Volume • Nebulizer – EzyFit • Spray chamber – Helix • Internal Standard – Low volume chamber Glass Expansion www.geicp.com

  6. Software Approaches to Speeding Analysis • Fast pump in rinse mode • longer equilibration • Predictive Rinse • QC’s complicated • Risk of carryover • Intelligent Rinse • Rinse is based on sample results • Analyzes rinse to determine optimum time • Modest productivity gain Glass Expansion www.geicp.com

  7. Niagara™ Rapid Rinse Accessory • Interfaces between ICP & Autosampler • Reduces required rinse time • Programmable delay time • Less than 8 inches high • Includes adj. height stand Glass Expansion www.geicp.com

  8. How Niagara Works Rinse Analysis Glass Expansion www.geicp.com

  9. ICP-OES or ICP-MS PC Autosampler Niagara Interface – no software required • Started with hardware trigger on AS • Recently modified to serial interface • Serial cable runs from ICP computer through the AS to the Niagara. • Each Niagara is preprogrammed for a specific ICP/AS combination. Niagara Glass Expansion www.geicp.com

  10. Niagara Time Saving Elan 6000 ICP-MS, Hill Labs, New Zealand 30 second rinse 10 second rinse = Rinse steps for nebulizer & spray chamber Glass Expansion www.geicp.com

  11. ICP-MS Carryover Comparison Standard method without Niagara With Niagara Glass Expansion www.geicp.com

  12. Zinc Boron Moly Thallium ICP-MS Carryover Comparison Glass Expansion www.geicp.com

  13. On-Line Productivity Calculatorwww.geicp.com Glass Expansion www.geicp.com

  14. Payback with Niagara-CommercialLab Glass Expansion www.geicp.com

  15. Summary • Decrease dead-volume in sample introduction system to reduce rinse time • Software approaches produce marginal productivity improvements • Niagara produces clear gains in productivity without jeopardizing performance. Glass Expansion www.geicp.com

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