Does anyone know what's the cause of the flashing of the plasma (ICP-MS with APEX-Q) although there is no air coming into the pipes?

I faced the problem of flashing of the plasma during the analysis by ICP-MS, I checked the flow in the pipes and it is correct there is not any that enters. we also checked the APEX-Q even rinse...

15 November 2019 9,172 3 View