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Maintenance
171
Torch Viewing Position Alignment
The torch viewing position alignment procedure is used to set the plasma viewing
position of the spectrometer entrance optics for the highest signal intensity. See
Setting the Torch Viewing Position
Perform this procedure when:
•
the instrument is first installed or moved to a new location, or
•
the torch is removed or replaced, or
•
the plasma induction plates are replaced
(important)
Performance Checks
Several checks should be done periodically to check instrument performance. These
include the sodium bullet test to check the nebulizer argon flow, the Background
Equivalent Correction (BEC) test, and Coefficient of Variation (CV) test. These tests
are described in Chapter 6, Troubleshooting.
Cleaning the Sample Introduction System
See the following table for the recommended cleaning procedures for the sample
introduction system.
Table 5-1.
Recommended Cleaning Procedure
Daily cleaning
After analyzing aqueous solutions, flush with
deionized water, or 2% nitric acid, followed by
deionized water. After analyzing organic solutions,
flush using a clean solvent.
Torch
Injector
Spray Chamber
Soak in 5-20% nitric acid or aqua regia; use an
ultrasonic cleaner if available. For more detailed
information, see
Cleaning the Torch
later in this
chapter.
O-Rings
Clean with soap and water, rinse thoroughly.
GemTips for Cross-
Flow Nebulizer
Clean with soap and water, rinse thoroughly; or use a
2% solution of nitric acid.
Summary of Contents for AVIO 200
Page 1: ...AVIO 200 SPECTROMETER Hardware Guide ICP OPTICAL EMISSION ...
Page 2: ......
Page 3: ...AvioTM 200 Spectrometer Customer Hardware and Service Guide ...
Page 12: ...Contents 10 ...
Page 30: ...28 ...
Page 31: ...Safety Practices 1 ...
Page 32: ...30 Safety Practices ...
Page 56: ...54 Safety Practices ...
Page 57: ...Preparing Your Laboratory 2 ...
Page 58: ...Preparing Your Laboratory 56 ...
Page 70: ...Preparing Your Laboratory 68 ...
Page 71: ...System Description 3 ...
Page 72: ......
Page 97: ...Installation 4 ...
Page 98: ......
Page 119: ...Installation 117 Figure 4 8 Replacing the torch 1 3 4 6 8 2 9 10 5 7 ...
Page 121: ...Installation 119 1 2 7 9 8 10 3 4 5 6 ...
Page 164: ...Installation 162 ...
Page 165: ...Maintenance 5 ...
Page 166: ......
Page 184: ...Maintenance 182 1 2 7 9 8 10 3 4 5 6 ...
Page 188: ...Maintenance 186 Figure 5 8 Replacing the Torch 1 3 4 6 8 2 9 10 5 7 ...
Page 272: ...Maintenance 270 ...
Page 273: ...Troubleshooting 6 ...
Page 274: ......
Page 293: ...Troubleshooting 291 Figure 6 1 Normal Plasma Conditions at 0 torch position ...
Page 294: ...Troubleshooting 292 Figure 6 2 Normal Plasma at 3mm position ...
Page 297: ...Troubleshooting 295 Figure 6 5 Injector too far forward ...
Page 298: ...Troubleshooting 296 Figure 6 6 No Aux Gas Torch may be glowing ...
Page 299: ...Troubleshooting 297 Figure 6 7 Air Leak or Spray Chamber Temperature too high ...
Page 300: ...Troubleshooting 298 Figure 6 8 Thin Plasma due to leak in Plasma Gas Line ...
Page 308: ......