2021
DOI: 10.3390/min11050461
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Analytical Proof of Origin for Raw Materials

Abstract: Growing public interest in getting information on the origin of raw materials used to manufacture goods for daily life has triggered the development of concepts to increase the transparency of raw material supply chains. Analytical proofs of origin (APOs) for raw materials may support those transparency concepts by giving evidence about the origin of a specific raw material shipment. For a variety of raw materials like gemstones, TTT (tantalum, tin, tungsten) minerals, and others, APOs have been developed. The… Show more

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Cited by 8 publications
(2 citation statements)
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References 75 publications
(96 reference statements)
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“…Analytical proof of origin methods for raw materials are successfully applied under the following assumptions: (1) minerals have measurable compositions which differ depending on their genesis; (2) minerals from an area of enrichment (orebody) are more closely related to each other than to the same mineral from a second zone of enrichment, e.g. a different ore body [ 9 ].…”
Section: The Traceability Of Raw Materials Along Their Supply Chainsmentioning
confidence: 99%
“…Analytical proof of origin methods for raw materials are successfully applied under the following assumptions: (1) minerals have measurable compositions which differ depending on their genesis; (2) minerals from an area of enrichment (orebody) are more closely related to each other than to the same mineral from a second zone of enrichment, e.g. a different ore body [ 9 ].…”
Section: The Traceability Of Raw Materials Along Their Supply Chainsmentioning
confidence: 99%
“…A blockchain is the control of chain-of-custody systems, based on the shipping documentation that is included in online databases, to allow real-time raw materials tracking and electronic tagging. However, document-based traceability systems can be falsified, and must be independently controlled and audited to provide credibility 27 .…”
Section: Introductionmentioning
confidence: 99%