Abstract
The comparison of the chemical composition of bullet alloys yields further information for forensic investigations. When a bullet fragment is found completely crushed, the comparison of micro-striations is impossible. The only way to compare two bullets is by comparison of their chemical composition. An ICP-MS method is able to measure the percentage of antimony, amounts of trace elements and lead isotopic ratios of the bullets. While recent studies show the random composition of bullet alloys, the measurement of lead isotopic ratios acts as a signature of bullet origin and gives reliable results. The ICP-MS method is a comprehensive tool for this kind of analysis.
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