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I don't know if it worth for you, but you can send a small piece of material for testing for about 30.00. If you make 10 pieces, that is 3.00 per knife. If have enough of the same material for 100 Knives, it is .30http://www.ebay.com/itm/XRF-METAL-ANALYSIS-TESTING-THERMO-NITON-XL3-XRF-ANALYZER-/291690734421
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