This Information Applies To: Agilent ICP-OES Systems (700 Series, 5000 series)
If any yellow or orange coloration on any part of the torch is observed (not due to the sample being presented or recently run) or if the torch appears to be visibly melting, the torch is overheating.
Figure 1. Example of damaged torch
Steps to Follow
Caution: To prevent damage to the instrument, do not use the torch if it is damaged
Warning: The torch and torch compartment become hot during instrument operation and remain so for some time after the plasma has been switched off. Allow the plasma compartment to cool before accessing the plasma compartment. Allow the torch to cool before touching the outer tube or attempting to dismantle the torch.
Figure 2. 1 Torch, 2 Induction coil
Figure 3. 1 Mist in spray chamber
Learn how to effectively maintain and troubleshoot your Agilent ICP-OES Instrument:
Guidelines for Trouble Shooting and Maintenance of ICP-OES Systems