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Laser Trimming Tree-Ring Cores for Dendrochemistry of Metals
This article discusses the application of laser to trim the outer surface from tree-ring increment cores in preparation for dendrochemistry of certain metals. A source of contamination specific to dendrochemistry of metals is metal constituents, such as iron, tungsten, chromium, nickel, and cobalt, coming off tools used to collect and process cores and adhering to the sample surface. One method to eliminate this contamination is to trim off the outer surface of cores using laser. To test thisdoi:10.3959/1536-1098-61.2.87 fatcat:nh5t4j23wzgnlm3ucut3c2uege