Archaeo-metallurgical study on two early historic punch marked coins

A metallurgical investigation was carried out on two early historic silver and copper punch marked coins. The objective was to study the metal composition, and the methods used in making of the early historic coins in India. The inductively coupled mass spectrometry was used to analyze the elemental...

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Bibliographic Details
Published in:Indian journal of history of science 2021-06, Vol.56 (2), p.109-114
Main Authors: Sasisekaran, B., Raghunatha Rao, B.
Format: Article
Language:English
Subjects:
History of Science
Humanities and Social Sciences
multidisciplinary
Original Article
Philosophy of History
Science
Science (multidisciplinary)
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Summary:A metallurgical investigation was carried out on two early historic silver and copper punch marked coins. The objective was to study the metal composition, and the methods used in making of the early historic coins in India. The inductively coupled mass spectrometry was used to analyze the elemental composition of the coins. Metal formation and its mechanical properties were studied in physical metallurgical laboratory. The study revealed that the coins were not pure metal but an alloy. The silver coin contained copper as a major alloying element with other elements viz., V, Fe, Zn, Sn, Pb, As, Au in trace level while in copper the coin lead was the main alloying element with Ni, Fe, As, Au and Co in trace.
ISSN:0019-5235
2454-9991
DOI:10.1007/s43539-021-00014-0