NDLI: Small scale gold refining: Strengths and weaknesses

Content Provider	IEEE Xplore Digital Library
Author	Kaspin, S.
Copyright Year	2013
Description	Author affiliation: Dept. of Contemporary Metal Design, Univ. Teknol. MARA (UiTM), Shah Alam, Malaysia (Kaspin, S.)
Abstract	Jewelry fabrication process that includes technique like filing, piercing, grinding and drilling are amongst the popular application that have been widely used for such a long time. It is a known fact these processes usually would produce various type of metal scrap at the end of the process cycle. Thus, the gold scrap that is generated from the jewelry fabrication process need to be collected and refined back to pure gold. Interestingly, the nitrogen dioxide formed during the traditional (small scale) gold recovery process has been observed as hazardous i.e. air pollution and profile some risk on safety. The research intent is to measure reliability and effectiveness of local traditional gold recovery method for jewellery scrap and to determine weather the traditional (small scale) process is able to produce a higher percentage of gold purity from the jewellery scrap as compared to the modern techniques. To verify this, a full cycle of physical and chemical testing via traditional methods have been conducted to derive and validate the research findings and conclusions. The analysis of the gold chemical compositions, hardness and metallography are tabulated to strengthen the research findings.
Starting Page	32
Ending Page	36
File Size	1169124
Page Count	5
File Format	PDF
e-ISBN	9781467357326
DOI	10.1109/TIME-E.2013.6611959
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-23
Publisher Place	Indonesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fabrication Gold refining process Jewellery scrap
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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