I'm about to order some Fe-57 foil from an isotope supplier. However, I worry about oxidation.
Does the foil need to be kept in an inert environment during all storage and use?
Or do such foils typically come with some low-percentage additives that make them more like steel? If there is a source for the latter, that would be most convenient I guess.
Hi Florian, we have had no issues storing our iron foil in a normal lab environment for many years. Since you will be collecting calibration data regularly you can always check that the spectrum is not changing over time as a result of oxidation, so it should not go unnoticed.
Hope that helps!
I would like to add a short note- check alloying elements of the iron foil (if available from supplier) and check whether alloying elements' spectra fall within your range of investigation.
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