Can I use Gold Chloride when avoiding mercury memory effects when doing ICP-MS analysis?

Yes Gold helps with keeping Hg in solution and its wash out.

HCl also helps with wash out and keeping Hg in solution

What is the best concentration to use? Do I have to add it on wash vails not the original samples and calibration samples?

we
use 0.5% hcl

i
use in all my rinses

as
for gold concentration i’m not exactly sure as that can vary

So do I use 0.5% HCL as a rinse solution? So is it better to use this solution after every 5 samples ran?

Yes you can use 0.5% HCl as the rinse solution.

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