Instrumental neutron activation analysis of some ancient punchmark coins from India

Nilima Rajurkar; A. Jha; Ranjana Bhadane

doi:10.1007/bf02162623

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 186: Issue 5

Instrumental neutron activation analysis of some ancient punchmark coins from India

Authors:

Nilima Rajurkar

Nilima Rajurkar University of Poona Department of Chemistry 411 007 Pune India

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A. Jha

A. Jha Indian Istitute of Research in Numismatic Studies Anjaneri Nasik India

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Ranjana Bhadane

Ranjana Bhadane University of Poona Department of Chemistry 411 007 Pune India

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Pages:: 393–400

Online Publication Date:: 27 Sep 2005

Publication Date:: 17 Mar 1994

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02162623

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Abstract

A nondestructive instrumental neutron activation analysis technique is applied for the analysis of precious ancient punchmark coins. Coins ranging between 8th century B.C. to 2nd century B.C. were irradiated with thermal neutrons in a²⁵²Cf neutron source facility and analyzed by comparator method of instrumental neutron activation analysis, using high purity germanium detector coupled to a multichannel analyzer, the activities being measured at photopeak energies of the corresponding radioisotopes. It is observed that punchmark coins are mainly of two types: copper or silver based. Other elements present in varying proportions are gold, arsenic and antimony.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)