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Agilent 5100 torch melt

Question asked by matthewchapman on Jan 3, 2020
Latest reply on Jan 3, 2020 by edgarvs

Today, we experienced a torch melt on our 5100 ICP-OES - see photo. Initial checks of our instrument have not revealed the cause. The following where checked:

1. Chiller on and coolant at correct level.

2. Torch correctly positioned in Rf coil.

3. Aux. gas flow set as normal flow of 1.5 mL/min.

4. Sample introduction system was cleaned the previous day, a spare intro set was placed onto the instrument (clean and dry).


In addition, we do not experience devitrification and no not run samples in a salt matrix.  


Any ideas of potential causes?