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首页> 外文会议>Conference on Metrology for Archaeology and Cultural Heritage >Corrosion products of Cu-based coins from the River Tiber (Rome) analysed by micro-Raman spectroscopy
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Corrosion products of Cu-based coins from the River Tiber (Rome) analysed by micro-Raman spectroscopy

机译：通过微拉曼光谱分析来自河台（罗马）的Cu基硬币的腐蚀产物

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摘要

The natural corrosion product of some ancient coins recovered from the river Tiber were studied by means of micro-Raman spectroscopy. In fact most structures, and polymorphs, produce unique Raman spectra that can differentiate between minerals.Five Cu base alloys coins were analysed whose patinas have a very different appearance to each other.The analyses provided good results in the study of the corrosion patina and highlighted that coins buried in slightly different conditions can show different corrosion phenomena.The advantage of Raman microscopy technique is the non-destructiveness and the reproducibility of the measurements on micrometric particles that can be achieved in the laboratory without the need of any sample preparation.
机译：通过微拉曼光谱研究了从河倾斜河中恢复的一些古代硬币的自然腐蚀产物。 实际上，大多数结构和多晶型物都会产生独特的拉曼光谱，可以区分矿物质。分析了铜基基金硬币硬币，其Patinas彼此具有非常不同的外观。分析在腐蚀铜绿的研究中提供了良好的结果，并突出显示 在稍微不同的条件下掩埋的硬币可以显示出不同的腐蚀现象。拉曼显微镜技术的优点是在没有任何样品制备的情况下可以在实验室中实现的微米粒子的测量的非破坏性和再现性。

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