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Can running in Helium mode help pick up Pb in single digit ppb on our 7500ce ICP-MS?

Question asked by dlindsey on Jun 19, 2020
Latest reply on Jun 20, 2020 by guillaume

In nogas mode, our standards with Pb don't pick up the correct concentration at one and five ppb (about half).  Arsenic, cadmium, and Mercury yield the correct concentrations.  Any suggestions on how to get lead on board with our standards?

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