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Old 05-31-2012, 05:50 AM
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Pete VanderLaan Pete VanderLaan is offline
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Join Date: Apr 2002
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It will really be a question of valence and oxygen supplied. Iron can have a lot of different valences. FeO, Fe203, Fe305... on and on.I have actually never heard of "Yellow" iron. Red and Black, Yes, Yellow, no. Some glasses want a lot of 02, some don't. It depends on your needs.
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