Содержание
- 2. What affects ELSD performance? Nebulization Size of droplet formed: consequently determines size of particle Evaporation Efficiency
- 3. Nebulization Increase Neb gas flow ----------- Reduces droplet size Increase Liquid flow --------------- Increases droplet size
- 4. Over the last four years, the number of ELSD manufacturers has increased considerably. Current ELSD manufacturers
- 5. Alltech ELSD 800 Light source: 670nm @ 5mW laser diode Detector element: Silicon photodiode Temperature range:
- 6. Alltech ELSD 2000ES Light source: 650nm 30mW Laser diode Detector element: Silicon photodiode Temperature range: Ambient
- 7. Alltech ELSD 3300ES Light source: 650nm 30mW Laser diode Silicon photodiode detector Temperature range: Ambient to
- 8. Nebulizer Gas flow adjusted for solvent type No nebulizer temperature control Evaporation Temperature setting dependent on
- 9. SEDEX 85 LT-ELSD Blue light source Expanded software functionality Mass flow controller Remote power-down Automatic gas
- 10. Nebulizer 3.0 SLMs of gas used to nebulize solvents under standard conditions Large volume nebulizer chamber
- 11. Evaporation Long coiled tube which removes large droplets by centrifugal force and provides laminar flow -
- 12. ELSD 2040 Light Source: Tungsten Halogen Lamp Detector Element: PMT Temperature Range: Ambient to 100°C (?)
- 13. Acquity ELSD Designed for UPLC an analysis 80Hz Data rate Sharp peak shape (1.2 - 1.5sec)
- 14. Nebulizer Snap-on design for easy replacement Temperature controllable (% of drift tube temp) Gas pressure/flow set
- 15. ELSD 400 Light source: 670nm LASER Detector element: Photodiode Temperature range: Ambient to 120°C Gas inlet
- 16. Nebuliser: Thermo-split Technology For difficult to evaporate mobile phases, or high flow rates, the nebulizer chamber
- 17. ZAM 3000 Light source: Tungsten Halogen Detector element: Photomultiplier Temperature range: Ambient to 70°C Nebulizer gas
- 18. Nebulizer For difficult to evaporate mobile phases, or high flow rates, the nebulizer chamber walls are
- 19. Chromachem ELSD Light source: Halogen lamp Detector element: Photomultiplier Temperature range: Nebulizer: Up to 70°C by
- 20. Nebulizer Similar design to SEDEX 75 Evaporation Similar design to SEDEX 75 No special design features
- 21. ESA’s Charged Aerosol Detector (CAD)
- 22. How it works: The column eluent is nebulized with nitrogen, before passing into a heated drift
- 23. This is a non-optical technique and therefore is not bound by scattering laws. Small particles, which
- 24. The technique is dependent on nebulization and evaporation stages. It is gradient sensitive - the response
- 25. Overview of ELSD Sales Global ELSD Market - ca. 1000-1500 units/year PL shares ca. 25% of
- 26. ELSD Sales by Region
- 27. Competitor Overview
- 28. Competitor Overview
- 30. Скачать презентацию