Sensitivity Failure - Analysis Table - Agilent Technologies 5110 ICP-OES Service Manual

5 Troubleshooting

Sensitivity Failure - Analysis Table

Failing Sensitivity test will verify a problem exists. Check which Wavelengths are failing and by
how much. Compare to installation or past IQ numbers. The table below will give some direction
as to failure mode and possible cause.
Sensitivity Failure - Analysis Table
Failure Mode (Intensity)
All Wavelengths very low
Some Wavelengths failing
Short Wavelengths Failing
Agilent 5110/5100 ICP-OES Service Manual
Possible cause
Sample Introduction major blockage
Leaking fitting
Sample delivery
Standard Concentration
Optimization of parameters
Wavelengths off peak
Dark current values high
Argon ratio incorrect
Optical Alignment
Random peaks missing or low due to
moisture forming on Detector Lens
Contaminated Blank
Sample Matrix
Wavelengths off peak
Dark current values high
Air present in optics (Lack of Purging)
Window Contamination
Possible cause (Next level)
Red indicates a probable service call required
Nebulizer Blocked
Tubing kinked, blocked, dirty (including accessories)
Torch injector blocked
Nebulizer
Pump tubing
Sampler
Bubbles in tubing
Pump Tube Tension
Pump Tube stretched
Standard Preparation
Nebulizer Flow
Viewing height (Radial)
Plasma Power
Pump Speed
Instrument Calibration
Detector Calibration
Light Leak
Shutter problem
Optical Alignment
Camera Fault
Instrument Warm up
Polychromator temperature control
Pre Optics alignment
Polychromator alignment
Preoptics
Polychromator
Camera Fault
Moisture in Optics Purge lines. Refer to "Contaminated purge
gas" section in this Chapter
Sample preparation
Housekeeping
Interference from EIE's
Instrument warm up
Instrument Calibration
Detector Calibration
Shutter problem
Camera Fault
Optics Purge
Boost Purge
Cone Purge
Snout Purge
Axial/Radial Windows
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