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PROCESS SCIENCES, INC. (PSI) Visit our main Ion Chromatography page for more information. Ion Chromatography analysis (IC) is an essential tool for both failure analysis and process validation. PSI uses IC to investigate surface contamination and m
Electronics Forum | Tue Oct 09 21:45:21 EDT 2012 | davef
Hi Bob Ideas to consider are: * Use your handheld XRF * Swab vinegar on the copper and watch it brighten * Use the following procedure Nearly all copper minerals can be dissolved by melting with a mixture 1:2.5 of ammonium chloride and ammonium nit
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