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Operation
Agilent 700 Series ICP Optical Emission Spectrometers User’s Guide
39
Turning Off the Instrument
There are two modes of turning off your ICP-OES. For day-to-day use,
it is recommended that the instrument be set to Standby mode
(which keeps the polychromator thermostating system and purge
systems operational). When the ICP-OES is not going to be in use for
prolonged periods, the Shutdown mode may be used (which turns off
all purging as well as the polychromator thermostating system).
Using Standby Mode
To set the instrument to Standby mode:
1
Rinse the spraychamber by aspirating water for a few minutes.
NOTE
When running organic samples it is recommended that the spraychamber be
cleaned and dried thoroughly between analyses.
2
Extinguish the plasma by clicking the
Plasma Off
icon, pressing
F4 on the keyboard or choosing
Plasma Off
from the
Analyze
menu. The peristaltic pump stops automatically when the plasma
is extinguished.
NOTE
The yellow Plasma emergency off button, located next to the mains power
switch on the front of the instrument, is designed to be used only in an
emergency—for example if the torch is melting. It is not intended to be used
every time you want to extinguish the plasma. If used to extinguish the plasma,
you will need to reset the Plasma emergency off button to the ‘on’ position
before the plasma can be re-ignited.
3
Leave the mains power switch on to keep the polychromator
thermostating system operational.