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Overbrook Scientific

Overbrook Scientific. Overbrook Scientific. Providers of Analytical Instrumentation Providers of Instrument Support and Peripheral Services Distributors of the HTA Line of Autosamplers. HTA Autosamplers. HT300A Liquid Sampler HT200H Headspace Sampler HT250D Liquid/Headspace Sampler

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Overbrook Scientific

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  1. Overbrook Scientific

  2. Overbrook Scientific • Providers of Analytical Instrumentation • Providers of Instrument Support and Peripheral Services • Distributors of the HTA Line of Autosamplers

  3. HTA Autosamplers • HT300A Liquid Sampler • HT200H Headspace Sampler • HT250D Liquid/Headspace Sampler • HT280T (SPME) Headspace Sampler

  4. HTA Autosamplers • “High Throughput Automation” • Manufactured in Italy • Reputation for quality workmanship

  5. Overbrook Collaborations • Restek • Phenomenex • Rapid Tech

  6. HT300A Liquid Autosampler

  7. HT 300A - Key Features • Replacement sampler- any major manufactured GC • Extremely Rugged • Rotating Turret Design • No picking up of the vial • Handles Front and Back Injectors • Small footprint • Economical - $8,500 • Accurate – Reproducibility Typically .3% • Very Easy to use • Nice Looking (Italian) • Control Software Available including Agilent Chemstation

  8. Headspace

  9. Headspace • Europeans to date have a higher level of proficiency due to experience • More Widely Used • More Widely Accepted • Blood Alcohol • Residual Solvents • Environmental • R&D

  10. Advantages of Headspace in the Environmental Laboratory • Pre-screening for VOC’s – Aqueous and Solids • EPA 8260 Aqueous and Solids • Methods 624 Waste Water, 524 Drinking Water • Why Gamble on Sample Throughput? • Protecting a Lucrative Revenue Stream • Decrease Downtime From Contamination • Protect your MS System and Sustain Productivity by Pre-screening

  11. HT200H Headspace Autosampler

  12. HT200H Headspace Sampler Key Features • Cost effective ($17,900) • Inexpensive to Operate • Small Footprint • Rotating Turret • Front and Back Injectors - Run Multiple Methods • Direct Injection – No Transfer Line • Leaves Inlet Intact • No Carryover • Very Short Runtime (under 10 min. Including Naphthalene)

  13. HT250D Dual Autosampler

  14. HT250D Dual Autosampler • Headspace and Liquid Autosampler in one unit • All the features of HT200H plus features of HT300A • Easy to change from one mode to the other • All included – no optional extras • Maximizes the throughput on individual GC’s • Small Footprint • Most Economical Dual Unit on the Market

  15. Headspace Methods

  16. EPA Method 8260 Pre-screening • Volatiles partition into vial headspace • 1ml gas-tight syringe injection • GC/FID System • Use reduced compound list or reference calibration (aromatic and chlorinateds) • Dilute appropriately and run by P&T/GC/MS

  17. Prescreening

  18. Method RSK 175 • An umbrella EPA Method for permanent gas analysis • USEPA Region 1 application notes applied to MNA • Standards readily available from Scott & Restek • Analyze Methane/Ethane/Ethene to 2ug/L • Remember Methane is a Reportable Compound in MA

  19. Methane Ethane Ethene

  20. CCME Method 1310 • Canadian Petroleum Hydrocarbon Method for VPH/GRO • Performance based method allows for Headspace Preparation to reduce carryover contamination • PBM Criteria require strict alkane/ aromatic ratios • Pre-screen UST Samples – no reruns for baseline resolution issues

  21. Volatile Petroleum

  22. Business Opportunities with Headspace

  23. Business Opportunities with Headspace • CCME 1310 • Materials Testing • USP 467 Residual Solvents • Raw Materials from China • VOA’s (Raw production Material that cannot be prepared by P&T)

  24. Thank You

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