Operation
38 Agilent Microwave Plasma Atomic Emission Spectrometers User’s Guide
NOTE
See the MP Expert Help for instructions on how to adjust the peristaltic pump
pressure bars.
NOTE
For optimum performance and stability, for the MP-AES instrument a warm up
time of 30 minutes is recommended, from standby.
NOTE
When using the nitrogen generator, a purge time of up to 20 minutes is required
from power on, depending on the prior usage history, to allow the nitrogen
generator to achieve required nitrogen purity.
NOTE
The plasma will take between 10–15 seconds to ignite. If it fails to ignite, refer to
the Troubleshooting section in the Help for further information. In addition, the
plasma can be run dry (no solution) without damaging the torch.
CAUTION
The plasma cannot be run without the spray chamber and nebulizer gas supply
connected. Doing so will damage the torch.
MP-AES Instrument Wavelength Calibration
Refer to the Help for information about what a wavelength
calibration is, and how to prepare the wavelength calibration
solution.
To perform an MP-AES instrument wavelength calibration:
1 If you are using a 4100 MP-AES, ensure a standard glass
concentric nebulizer, a single pass spray chamber and 4100
EasyFit plasma torch are installed. If you are using a 4200 or
4210 MP-AES, ensure the OneNeb nebulizer, double pass spray
chamber and 4200 and 4210 EasyFit torch are installed. Use
manual sampling for both models.
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