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Diagnostics – Detectors

Diagnostics – Detectors. Analytical 920 LC. Semi-Prep 940 LC. Modules. Autosampler Quaternary Pump/ Prep Pumps Fluorescence Detector Fraction Collector (external) Column Heater/ Manual Injector Scale Up module MIB

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Diagnostics – Detectors

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  1. Diagnostics – Detectors Analytical 920 LC Semi-Prep 940 LC

  2. Modules • Autosampler • Quaternary Pump/ Prep Pumps • Fluorescence Detector • Fraction Collector (external) • Column Heater/ Manual Injector • Scale Up module • MIB • --------------------------------------------------------------------------------------------------- • UV-Vis Detector • PDA Detector • RI Detector (internal and external) • ELSD (external) • Isocratic Pump • Sample Loading Pump

  3. Fluorescence Detector • General Issues • Noise • Drift • Poor Signal to Noise • Leak Errors • Power Problems • Electronics • Lamp Errors • Board Errors • Communication Errors • Data Errors

  4. PDA and UV-Vis Detector • General • Noise • Drift • Poor Signal to Noise • Power Problems • Slit problems • Electronics • Signal Errors • Lamp Errors • Communication Errors • Data Errors

  5. IMS Fluorescence Detector Actions • 150W xenon lamp replaced • Long life xenon lamp replaced • Mercury lamp replaced • Flowcell cleaned/replaced • Wavelength Accuracy

  6. IMS Fluorescence Detector Tests • Signal to Noise by Raman Light Scattering • Detector Noise Test • Detector Linearity Test

  7. IMS UV-Vis Detector Actions • UV lamp replaced • Vis lamp replaced • Flowcell cleaned/replaced • Read current lamp intensity

  8. IMS UV-Vis Detector Tests • Detector Noise Test • Detector Drift Test • Detector Wavelength Accuracy Lamp Test • Detector Wavelength Accuracy Compound Test • Detector Refractive Index Test • Detector Cell Ratio Test • Detector Wavescan Test • Detector Gain/Lamp Calibration Test • Detector Lamp Intensity Test • Detector Zero Percent Transmission Test • Wavelength Calibration Test

  9. IMS PDA Detector Actions • UV lamp replaced • Vis lamp replaced • Flowcell cleaned/replaced

  10. IMS PDA Detector Tests • Detector Noise Test • Detector Drift Test • Detector Linearity Test • Detector Wavelength Accuracy Lamp Test • Detector Wavelength Accuracy Compound Test • Detector Refractive Index Test • Detector Spectral Bandwidth Test • Detector Wavescan Test • Detector Zero Percent Transmission Test • Detector Gain Calibration Test • Detector Lamp CalibrationTest • Wavelength Calibration Test

  11. Fluorescence Detector Practical • Person 1: • Replacement of the Xenon Lamp and • Positional Adjustment of the Xenon Lamp • Person 2: • Replacement of the Mercury Lamp • Perform a linearity test • Person 3: • Clean the Flow Cell • Perform a wavelength accuracy test

  12. PDA and UV-Vis Detector Practical • Person 1: • Replacement of Lamps and Perform a Wavescan • Perform a zero percent Transmission test • Person 2: • Clean the Flowcell and Perform the Wavelength Accuracy Test • Perform a noise test • Person 3: • Replacement of Optics Module • Perform a wavelength calibration test

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