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Found several pieces of metal in new sand. Removed + 90% WC. Tests still show TIN
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08/12/2018, 05:15 PM
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bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
That's true, but I'm still a bit skeptical. I don't know of any alloys of tin and iron. Tin might show up in solder, though. The reading could be showing some form of interference, which is an issue with ICPP.
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Jonathan Bertoni
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