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Topic: ICP MS interferences  (Read 3846 times)

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Offline cowtooth2

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ICP MS interferences
« on: December 05, 2006, 03:16:08 AM »
Hi,

I have a query about interference with ICP MS. I am looking to quantify levels of Cu and Zn in sludge / soil by ICP MS with these materials containing occassionally high levels of iron. Does anyone know the method needed to overcome the polyatomic interferences on the Cu and Zn e.g. Cu63 against Ar40Na23, that may occur? Also, what internal standard method correction is used for matrix suppression?
Finally, I am aware there is an interference between Fe56 and Ar40O16 and Cr with ArCl, how can these be corrected for.

Many Thanks

Offline chiralic

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Re: ICP MS interferences
« Reply #1 on: December 05, 2006, 03:55:59 AM »
Hi cowtooth2:

Here a nice link about ICP-MS =>Section: Spectral Interferences: Types, Avoidance, and Correction

Also, It's a nice web site about ICP-MS and ICP-OES

Regards,

Chiralic

Offline cowtooth2

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Re: ICP MS interferences
« Reply #2 on: December 07, 2006, 04:44:56 AM »
Thanks,
the site was very useful

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