Relevant bibliographies by topics / Precious metals

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Precious metals'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 March 2025

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Journal articles on the topic "Precious metals"

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Ali, S. H. "Precious metals." Science 347, no. 6227 (March 12, 2015): 1209. http://dx.doi.org/10.1126/science.aaa4546.

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Alumkal, J. "Precious Metals." Science Translational Medicine 2, no. 40 (July 13, 2010): 40ec110. http://dx.doi.org/10.1126/scitranslmed.3001466.

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Radetzki, Marian. "Precious metals." Resources Policy 15, no. 3 (September 1989): 194–208. http://dx.doi.org/10.1016/0301-4207(89)90052-4.

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Randolph, N. G. "Precious metals." Pure and Applied Chemistry 65, no. 12 (January 1, 1993): 2411–16. http://dx.doi.org/10.1351/pac199365122411.

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Hoshino, Koji, Tohru Kohno, Juichi Hirasawa, and Masaki Morikawa. "Precious Metals Clay." Materia Japan 33, no. 4 (1994): 420–22. http://dx.doi.org/10.2320/materia.33.420.

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Doroghazi, Robert M. "The Precious Metals." American Journal of Cardiology 125, no. 5 (March 2020): 827. http://dx.doi.org/10.1016/j.amjcard.2019.10.060.

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NAKAHIRO, Yoshitaka, and Shuji OWADA. "Recycling of precious metals." Shigen-to-Sozai 107, no. 2 (1991): 119–27. http://dx.doi.org/10.2473/shigentosozai.107.119.

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Lavine, M. S. "CHEMISTRY: Flowing Precious Metals." Science 313, no. 5793 (September 15, 2006): 1542b. http://dx.doi.org/10.1126/science.313.5793.1542b.

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Taylor, Nicholas J. "Precious metals and inflation." Applied Financial Economics 8, no. 2 (April 1998): 201–10. http://dx.doi.org/10.1080/096031098333186.

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Constable, Edwin C. "Chemistry of precious metals." Polyhedron 17, no. 2-3 (January 1998): 397. http://dx.doi.org/10.1016/s0277-5387(97)00398-7.

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Dissertations / Theses on the topic "Precious metals"

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Pires, Margarida Calejo. "Laser cleaning of precious metals." Thesis, University of Liverpool, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539476.

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Aquino, Sergio. "Recycling precious metals from mobile phones." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/64230.

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The world population reached 7.5 billion inhabitants in April 2017. The number of mobile phones will reach 4.77 billion by the end of this year. Mobile phones are made of more than 50 elements. Discoveries of economically viable gold mines in the main producing countries have been slowing down significantly since the 1800s. The global surface temperature of the planet is warming at 0.17⁰C per decade relative to pre-industrial levels. The mobile phone was chosen for this thesis because it is a comprehensive unit of hazardous waste and e-waste. Mobile phones are a municipal solid waste and public health concern. The low energy and low barrier to entry recycling business this thesis envisions recycles precious metals from end of life mobile phones close to where the devices are discarded. This thesis uses system dynamics to model the exponential adoption of mobile phones and its impact in mining and CO₂e emissions. The model is the basis to calculate the return of new precious metal recycling businesses. Climate change is one of the hardest problem men has ever faced because it requires many countries to work together to establish climate centric governance and policies. Businesses are reviewing their supply chain and energy sources. This work focuses on disruptive low energy and low barrier to entry technologies to recycle precious metals from mobile phones. Local recycling businesses will create jobs and stimulate the economy in B.C., Canada, and the world.
Applied Science, Faculty of
Mining Engineering, Keevil Institute of
Graduate
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Boileau, Olivier Joel Claude. "Precious metals, a shiny hedge for investors?" reponame:Repositório Institucional do FGV, 2016. http://hdl.handle.net/10438/15400.

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Using regression and correlation approaches covering the last twenty years of daily data for seven countries, this thesis investigates safe haven and hedge abilities of precious metals against international equities over a given state of the economy. Furthermore, this thesis examines different portfolios performance in-samples and out-of-samples with the aim to observe whether investing in precious metals can help to mitigate investor risk management. The key results are: (i) Gold is the finest precious metal for international hedging against equities (ii) Gold provides valuable portfolio risk management benefits (iii) 60/40 portfolios allocated with gold proffer good investor outcomes.
Recorrendo a duas abordagens diferentes, regressão e correlação, e cobrindo os últimos vinte anos de dados diários para sete países, esta tese investiga as propriedades "safe haven" e "hedge" dos metais preciosos, em comparação com acções internacionais para um dado estado da economia. Adicionalmente, esta tese avalia o desempenho de diferentes portfolios, dentro e fora da amostra, com o objectivo de verificar se o investimento em metais preciosos poderá ajudar a atenuar a gestao do risco por parte do investidor. Os principais resultados são os que se seguem: (i) O ouro é o melhor metal precioso para um "hedging" internacional em oposição às acções (ii) O ouro permite obter valiosos benefícios de gestão de risco do portfolio (iii) 60/40 dos portofios atribuidos com ouro permitem ao investidor obter bons resultados.
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Shamsul, Harumain Zakuan Azizi. "Phytomining of precious metals from mine wastes." Thesis, University of York, 2016. http://etheses.whiterose.ac.uk/16001/.

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The increasing demand for precious metals such as palladium and gold for industrial applications has led to the exploration of sustainable environmental-friendly technologies to capture and recycle these metals from mine wastes. Phytomining is an emerging technology that makes use of the ability of plants to extract and accumulate metals from soil and water. Chapter 3 discusses the potential of phytomining to recover palladium from mine waste materials. These studies determined that willow (Salix sp.) and miscanthus (Miscanthus giganteus) were able to accumulate high levels of palladium in the aerial tissues when grown on synthetic media containing palladium as well as on mine waste materials. The use of chemical lixiviants improved the uptake and translocation of palladium in both willow and miscanthus. The potential of palladium nanoparticle formation in plants as plant-based catalysts was investigated but no palladium nanoparticles were detected when the plants were grown on synthetic mine waste. Chapter 4 evaluates the potential of merA gene for mercuric reductase in Arabidopsis as a genetic engineering approach to improve tolerance to gold and palladium in plants. In contrast to previously published findings merA expression did not increase tolerance of the transgenic plants to toxic levels of gold and palladium. Inhibition studies on purified mercuric reductase further revealed that gold and palladium inhibited the activity of MerA with ionic mercury. In Chapter 5, the potential of synthetic biology strategy was also investigated where the expression of synthetic short peptides, which are shown to be responsible in the formation of various sizes of metal nanoparticles in vitro, were found to increase the formation of smaller sized gold nanoparticles (< 10 nm diameter) compared to wild type plants when expressed in Arabidopsis. Chapter 6 describes the transcriptional response of Arabidopsis to precious metals and investigates the potential involvement of heavy metal transporter 5 (AtHMA5) in the detoxification mechanism for gold and palladium. AtHMA5 was found to be strongly up regulated in response to gold and palladium. However, studies with Arabidopsis hma5-1 mutant knockout lines and yeast heterologous expression studies demonstrated that gold and palladium is not a substrate for AtHMA5 suggesting that AtHMA5 is not involved in gold and palladium detoxification. Overall, this work is the first to describe a holistic approach in searching for suitable field applicable plant candidates for phytomining of precious metals such as palladium and gold as well as strategies to improve its uptake, tolerance and nanoparticle formation in plants.
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McAtamney, Darren Leigh Phillip. "Recovery of precious metals from secondary sources." Thesis, Queen's University Belfast, 2018. https://pure.qub.ac.uk/portal/en/theses/recovery-of-precious-metals-from-secondary-sources(d3716711-df4f-4e2c-b64f-f82f8bcbd3e9).html.

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The project aim is to develop recyclable systems based on ionic liquids (ILs) or deep eutectic solvents (DESs), in combination with ligands and/or oxidants, for the recovery of Pd and Pt from catalytic converters and of Au from electronics using non-toxic reagents. The synthesis of dione and dithione ligands (1,4-dimethyl-2,3-piperazinedione, 1,4-dimethyl- 2,3-perhydrodiazepinedione, 1,4-dimethyl- 2,3-piperazinedithione, and 1,4-dimethyl-2,3- perhydrodiazepinedithione) and their iodine adducts (1,4-dimethyl-2,3-piperazinedithione/ triiodide, 1,4-dimethyl-2,3-perhydrodiazepinedithione/ bisdiiodine), for the dissolution of Pd and Pt was investigated. 1,4-dimethyl-2,3-piperazinedione, 1,4-dimethyl-2,3-perhydrodiazepinedione, and 1,4-dimethyl-2,3-piperazinedithione were successfully synthesised using conventional methods. 1,4-dimethyl-2,3-piperazinedione and 1,4-dimethyl-2,3- perhydrodiazepinedione were also synthesised mechanochemically while 1,4-dimethyl-2,3- piperazinedithione can be synthesised sonochemically. The adduct 1,4-dimethyl-2,3- piperazinedithione/triiodide was also successfully synthesised. The mild conditions which would lead to the dissolution of Pd, Pt, and Au were examined. The best results were achieved in DESs, where metal solutions up to 200 mM (Reline 200) and 300 mM (Ethaline 200) were obtained, using a Pd:iodine ratio of 1:4. The highest Au concentration (57.1 mM) was obtained in [BMIM]OTf using a triphenylphosphine:iodine ratio of 1:1. Mixed chloride/iodide square-planar Pd(II) complexes are believed to form in the DESs. Solutions of Pd and iodine in either DES produce CVs that are similar to each other. Dissolved Pd was recovered by electrodeposition from Reline 200 and the mixture could be recycled at least twice. Pd was also successfully recovered from a used catalytic converter as proven by cyclic voltammetry, SEM, and EDX spectroscopy. A triphenylphosphine:iodine mixture in [BMIM]OTf was able to dissolve Au at room temperature without the need of anhydrous/anaerobic conditions. The Au complex formed has not been confirmed but appears to be a unique, stable product. Approximately 53% of Au was successfully recovered via electrodeposition and the remaining solution successfully re-used for further Au dissolution.
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Wu, Kuo-ying Amanda. "Recovery of precious metals from automotive catalytic converters /." Access abstract and link to full text, 1993. http://0-wwwlib.umi.com.library.utulsa.edu/dissertations/fullcit/9412293.

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Bertero, Elisabetta Maria. "Speculative bubbles and the markets for precious metals." Thesis, London School of Economics and Political Science (University of London), 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309266.

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This thesis investigates the presence of speculative bubbles in the prices of precious metals. The investigation develops in three stages. First, we present the theoretical framework. Second, we carry out an institutional analysis of the gold market. Third, we conduct an econometric investigation using a comprehensive new data set of the prices of gold, silver and platinum. Speculation is a phenomenon strictly related to expectations. Hence, the natural theoretical framework for the study of speculative bubbles begins with a theory of expectations. The theory of speculative bubbles emerges from the non-uniqueness of solutions to rational expectations models. We present the theoretical background on the problem of multiple solutions to rational expectations models. We then critically examine the theoretical and empirical literature on speculative bubbles, pointing out the questions still unanswered in the field. The high volatility and the presumed speculative attacks in the 1970's and 1980's make the prices of gold, silver and platinum a natural choice for investigating the presence of speculative bubbles. An institutional analysis of the gold market show the complexity of the factors determining its price. This thesis adopts two empirical approaches. The first concerns tests of the restrictions that the presence of speculative bubbles impose on the prices of precious metals. In particular, it applies non-parametric tests in the spirit of the Blanchard and Watson (1982) approach to test for bubbles in the price of gold. Their results are contradictory and overall show little evidence of bubbles in the price of gold. In contrast, our results indicate the presence of speculative bubbles in the prices not only of gold, but also of silver and platinum. The second approach which, to our knowledge, has not previously been explored, consists of inferring the presence of bubbles through a comparison of the market fundamentals and the price movements of the three metals. The results provide evidence of the presence of speculative bubbles.
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Masenya, Mamago Adolphina. "Computational modelling studies of precious mixed metals sulphides." Thesis, University of Limpopo, 2016. http://hdl.handle.net/10386/1725.

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Thesis (MSc. (Physics)) -- University of Limpopo, 2016
The stabilities of PtS to PdS and PdS to PtS were investigated using density functional theory within the generalized gradient approximation. Their structural, electronic and mechanical properties were determined to show their stability and the effect of pressure on different compositions. We found good correlation of calculations with available ex-perimental data. The lattice parameters were observed to fluctuate with increasing con-centration for both systems. Furthermore, heats of formation were calculated to deter-mine the relative structural stability of the systems. They predict that the most stable structure is Pd50S50 P42/mmc and Pt25Pd25S50 P42/mmc being the least stable. Pd12.5Pt37.5S50 P42/m is the most stable and Pd50S50 P42/m being the least stable struc-ture. The Pt37.5Pd12.5S50 P1 was said to be the most stable structure and Pd50S50 P1 be-ing the least stable. The phonon dispersion calculations show that Pt50S50 P42/mmc, Pd50S50 P42/mmc, Pd12.5Pt37.5S50 P42/m and Pt50S50 P1 (derived from P42/mmc) are me-chanically stable, consistent with calculated elastic constants. The Pt25Pd25S50 P42/mmc show soft modes, which are due to vibrations of Pt and Pd atoms in the x - y plane which suggests the instability of the structure, in agreement with C66 being negative, and consistent with heats of formation. The lattice parameters decreased steadily with increasing pressure. An anomaly was observed in Pt50S50 P1 (derived from P42/mmc), where the c lattice parameter was found to increase with increasing pressure. The elec-tronic density of states (DOS) were performed on all compositions. The DOS were sub-jected to pressure and it was generally noted that the band gap increases with increas-ing pressure. It was observed that the smaller the band gap, the more stable the struc-ture. Furthermore, phonon dispersions under pressure show that compounds with the P42/mmc and P1 (from P42/mmc) symmetries display the mixing of lower and upper en-ergy bands at pressures above 30 GPa.
National Research Foundation
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FORNO, ILARIA. "Investment Casting of Precious Metals: Materials and Methods." Doctoral thesis, Politecnico di Torino, 2012. http://hdl.handle.net/11583/2502741.

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Aim of this work is the analysis of the materials and parameters related to the investment casting process,mainly focusing on peculiarities and criticisms of the casting of precious metals in jewelry production.Precious metals casting is traditionally and historically targeted to overcoming limitations in terms of geometries and final quality of the cast part. Moreover, an increasing interest rises concerning the use of new technologies and the industrializations of typical handcraft skills. New materials are therefore introduced into the process, in order to be able to get thin and intricate shapes, hollow parts and innovative design features. This is leading to a substantial rearranging of the process, with a constant innovation regarding technologies and medication of traditional materials. Considering the whole process, nvestment casting is dealing with a wide range of materials, from metallic, polymeric and ceramic classes. All these materials cannot be considered as single identities, but their synergetic behavior has to be studied, not just meaning that all of them contribute to the final quality of the cast part, but taking into account possible mutual interdependencies. The research work has been divided in a preliminary analysis of the process, in order to deepen the knowledge about material features, and in a extended study on the application of competences deriving from other sectors to the specific one. In fact it’s almost impossible to find sector boundaries between jewelry and fashion accessories both in terms of process and in terms of market. Therefore the analysis of the state of the art has been widened to other processes and applications, in particular focusing on fashion accessories and eyewear component production. Market analysis clearly show a high interest of jewelry towards innovative processes/materials, often deriving from completely different fields of application. For this reason, an analysis of the investment casting process applied in the automotive and biomedical sectors can give valuable hints for the jewelry production optimization. Particular attention has also been paid to fluid dynamic analysis of the casting system, considering metal flow into the flask and following cooling and solidification. For this purpose, computational fluid dynamic has been applied to the process. Material analysis, needed for both the simulation and for a complete understanding of the process, has been carried out. Physical and thermal properties of metals and investment materials have been analyzed in order to get a proper database for casting simulation. Waxes and resins have been tested both in terms of thermal, mechanical and chemical characteristic, in order to understand their respective roles into the process and try to optimize them. Following the analysis, process implementation has been performed in order to apply information deriving from experimental tests to the process. Many parameters can be taken into account when optimizing precious metal casting; in order to focus the research activity, some limitation in terms of process have been applied. Casting trails were conducted using a static vacuum casting machine on sterling silver and 18 kt. Gold alloys, referring to traditional investment casting process.
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Meadows, M. P. "The accumulation of precious metals by Citrobacter intermedius B6." Thesis, University of Kent, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233482.

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Books on the topic "Precious metals"

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McNay, Deborah. Precious metals. Washington, DC: Office of Industries, U.S. International Trade Commission, 1995.

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Gotthelf, Philip. Precious Metals Trading. New York: John Wiley & Sons, Ltd., 2005.

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Bullock, R. Morris, ed. Catalysis without Precious Metals. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527631582.

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Cotton, S. A. Chemistry of Precious Metals. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1463-6.

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M, Savit͡s︡kiĭ E., ed. Handbook of precious metals. New York: Hemisphere Pub. Corp., 1989.

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library, Wiley online, ed. Catalysis without precious metals. Weinheim: Wiley-VCH, 2010.

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Simon, Cotton. Chemistry of precious metals. London: Blackie Academic & Professional, 1997.

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Grimwade, Mark. Introduction to precious metals. London: Newnes Technical Books, 1985.

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Howard, Walker, Woodford Peter, and J.B. Were & Son., eds. Australian precious metals review. [London]: J.B. Were &Son, 1986.

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Donald M. Hausen, Douglas N. Halbe, Erich U. Peterson, William J. Tafuri, ed. Precious Metals of Wyoming. Ann Arbor, Michigan: Society for Mining, Metallurgy and Exploration, 1990.

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Book chapters on the topic "Precious metals"

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Evans, Giles. "Precious Metals." In ICCH Commodities Yearbook 1990, 109–42. London: Palgrave Macmillan UK, 1990. http://dx.doi.org/10.1007/978-1-349-11268-5_10.

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Jiang, Bill. "Precious Metals." In Investment Strategies, 53–66. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-82711-3_5.

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Cole, Monica M. "Precious Metals." In South Africa, 292–319. London: Routledge, 2022. http://dx.doi.org/10.4324/9781003306702-24.

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Tianzu, Yang, and Xu Kuangdi. "Precious Metals Metallurgy." In The ECPH Encyclopedia of Mining and Metallurgy, 1–2. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-0740-1_767-1.

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Ammen, C. W. "Primary Precious Metals." In Recovery and Refining of Precious Metals, 1–29. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-7721-8_1.

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Tianzu, Yang. "Precious Metals Metallurgy." In The ECPH Encyclopedia of Mining and Metallurgy, 1664–65. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-2086-0_767.

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Gasparrini, Claudia. "Base Metals." In Gold and Other Precious Metals, 227–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-77184-2_12.

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Pavlova, L. M., and V. I. Radomskaya. "Biomineralization of Precious Metals." In Lecture Notes in Earth System Sciences, 15–27. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24987-2_3.

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Molder, Michael J. "Not-So-Precious Metals." In Internet Fraud Casebook, 113–23. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119200475.ch13.

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Mooiman, Michael B., Kathryn C. Sole, and Nicholas Dinham. "The Precious Metals Industry." In Metal Sustainability, 361–96. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781119009115.ch16.

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Conference papers on the topic "Precious metals"

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Anitei, Nadia Cerasel. "METALS, PRECIOUS AND SEMIS-PRECIOUS STONES FASCINATION AND ART." In 11th SWS International Scientific Conferences on ART and HUMANITIES - ISCAH 2024, 57–68. SGEM WORLD SCIENCE, 2024. https://doi.org/10.35603/sws.iscah.2024/vs06.17.

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The article aims to present some of the legends surrounding precious metals and precious stones, followed by legal aspects and a brief historical overview and concluding with the fascination that precious metals and stones have for people. Precious metals and precious stones function as a signal of a person�s high social status in society. Thus, they are the insignia of powerful people; the vehicle by which a person can climb the social ladder. Precious metals and precious stones, because of their aesthetic, disturbing qualities, entered into the myths and legends of antiquity, fascinated people�s minds, and were a mystery and an attraction. The fascination that precious metals and precious stones have always held for man has led to a whole series of research into their influence on the human psyche. The overwhelming psychological influence of precious stones and metals is explained by the fact that they are able to provide the need for physical survival and security, which psychologist Abraham Maslow considered to be paramount for a balanced personality. After people learned to work gold and silver, gemstones and precious metals were combined to create jewels. Jewelry made of gold, silver and ivory was then spread by merchants to the countries of the Mediterranean basin. Artists and jewelry designers through their collaborations with artists in the fields of art, fashion led to the creation of remarkable works of art or impressive clothing collections.
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Volkova, Svetlana. "Precious Metals Price Forecasting Using Neural Networks." In 2024 8th International Conference on Information, Control, and Communication Technologies (ICCT), 1–5. IEEE, 2024. https://doi.org/10.1109/icct62929.2024.10874958.

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Erman Erkan, Turan, and Adil Gürsel Karaçor. "Quantitative Predictability Analysis of Precious Metals." In 4th international conference on knowledge and innovation in Engineering, Science and Technology. Acavent, 2018. http://dx.doi.org/10.33422/4kiconf.2018.12.20.

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"Leaching Extraction of Precious Metals from Waste Catalyst." In 41st CAPE TOWN International Conference on “Chemical, Biological and Environmental Engineering” (CCBEE-24) Nov. 21-22, 2024 Cape Town (South Africa). International Institute of Chemical, Biological & Environmental Engineering (IICBEE), 2024. https://doi.org/10.17758/iicbe6.c1124103.

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Bennett, Matthew D., and Donald J. Leo. "A Co-Reduction Process for Plating Ionic Polymer Transducers With Precious and Non-Precious Metal Electrodes." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39007.

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A co-reduction process is developed for plating ionic polymer materials with precious and non-precious metal electrodes. The purpose is to develop a process that reduces the use of expensive precious metals such as platinum and gold in the development of ionic polymer transducers. Previous results by Bennett and Leo (1) have demonstrated that oxidation is the key issue associated with the use of non-precious metal electrodes. The present work overcomes this problem through the use of a co-reduction process in which an alloy of platinum and copper is deposited in an impregnation/reduction process. A thin (~50 nm) layer of gold is then deposited to increase the surface conductivity of the electrode. Actuators developed using this process are tested for longevity for approximately 250,000 cycles. The results demonstrate the stability of the electrode, although multiple tests reveal that variations in the process produce variations in the electrode stability.
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Wilk, N. R., and H. D. Schreiber. "Optical properties of gold (and other precious metals) in acetate glasses." In Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides. Washington, D.C.: Optica Publishing Group, 1997. http://dx.doi.org/10.1364/bgppf.1997.jsue.36.

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Colors of gold ruby glasses are variable, depending in part on the size of the gold particulates dispersed in the colloidal state. In order to understand more fully the optical properties due to Au and other precious metals (Ag, Pd, Rh, Ru, Re) in silicate glasses, this study reports on the inclusion of such metals into analogous, low-melting acetate liquids and glasses. For example, the color imparted by gold in Na-K-Ca-acetate glasses versus Li-Pb-acetate glasses changes from pink to purple, as the nature of the colloidal dispersion is affected by the structure of the acetate system. Other precious metals can be incorporated into the acetates as colloidal dispersions or as ions, with the resulting colors controlled by the nature of the metal and the structure of the acetate system.
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Koizhanova, Aigul. "STUDY�OF�PRECIOUS�METALS�EXTRACTION�RECOVERY�FROM�TECHNOGENIC���WASTES�." In SGEM2012 12th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2012. http://dx.doi.org/10.5593/sgem2012/s03.v1059.

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Das, Subhabrata, Gayathri Natarajan, and Yen-Peng Ting. "Bio-extraction of precious metals from urban solid waste." In PROCEEDINGS OF THE 1ST INTERNATIONAL PROCESS METALLURGY CONFERENCE (IPMC 2016). Author(s), 2017. http://dx.doi.org/10.1063/1.4974410.

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Tojo, Takumi, Shogo Shirakawa, Seiji Nakahigashi, Sho Hoshino, Takashi Onozuka, Takahiro Noguchi, and Tomomasa Aikawa. "Development of Three-Way Catalysts with Enhanced Cold Performance." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0358.

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<div class="section abstract"><div class="htmlview paragraph">Global focus on CO<sub>2</sub> reduction and environmental protection is increasing. To comply with stricter exhaust gas regulations and reduce real world emissions, it is becoming increasingly important to improve the performance of three-way catalysts. Therefore, highly efficient conversion of hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx) is required. In general, the more active the precious metals used, the better the conversion performance. However, precious metals have supply risks, such as price fluctuation and the uneven distribution of production areas. Therefore, it is necessary to lower emissions while also lowering the amount of precious metals used. This paper focuses on how catalysts are used and describes the development of a new three-way catalyst for the purpose of strengthening cold conversion and decreasing the usage of precious metals.</div></div>
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Reith, Frank, Jeremiah Shuster, and Gordon Southam. "The Biogeochemistry of Precious Metals; in Memorium of Frank Reith." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2187.

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Reports on the topic "Precious metals"

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Boyle, D. R. Supergene base metals and precious metals. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/207964.

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Scromeda, N., and T. J. Katsube. Electrochemical double-layer capacitance of metals, including some precious metals: preliminary results. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2008. http://dx.doi.org/10.4095/225015.

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Moloughney, P. E. Assay methods used in CANMET for the determination of precious metals. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/305046.

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Rupke, Andrew, Stephanie E. Mills, Michael D. Vanden Berg, and Taylor Boden. Utah Mining - 2023 Metals, Industrial Minerals, Uranium, Coal, and Unconventional Fuels. Utah Geological Survey, November 2024. http://dx.doi.org/10.34191/c-138.

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2023 Utah Mining Industry Summary The estimated combined value of Utah’s extractive resource production in 2023 totaled approximately $10.1 billion, including production of metals and industrial minerals ($4.0 billion), natural gas and natural gas liquids ($2.1 billion), crude oil ($3.8 billion), and coal ($314 million) (Figure 1). Utah’s diverse mining industry (metals, industrial minerals, and coal) accounted for $4.3 billion (42%) of total extractive resource production, a significant decrease of $531 million from the 2022 revised value (nominal dollars) and lower than peak values reached in 2011 ($5.3 billion, nominal dollars). Mining activities in Utah currently produce base metals, precious metals, industrial minerals, and coal (Figure 2). Base metal production contributed $1.9 billion and included copper, beryllium, molybdenum, and iron (Figure 3). Notably, copper alone accounted for 65% ($1.4 billion) of Utah’s metal production value. Precious metals produced in Utah include gold and silver, and 2023 production was valued at $250 million (Figure 3). Precious metal production value decreased 19% from 2022 to 2023, primarily due to less gold production, and base metal value decreased 16%, primarily due to less copper production. Industrial minerals produced in Utah include sand and gravel, crushed stone, salt, potash, cement, lime, phosphate, lithium, uintaite (Gilsonite®), clay, gypsum, and other commodities (Figure 2). The estimated value of industrial mineral production in 2023 was $1.9 billion (Figure 3), a 4.2% increase over the revised 2022 estimate. The most valuable industrial mineral group in 2023, estimated at $570 million, was construction material commodity group which includes sand and gravel, crushed stone, and dimension stone. The value of Utah coal production decreased 39% in 2023 to $314 million; production was much lower in 2023, and the average price also decreased (Figure 3). Notably, Utah is the only state to produce beryllium concentrate, potassium sulfate, and uintaite (Gilsonite®); of these commodities, beryllium, was included in the U.S. Geological Survey’s (USGS) 2022 list of critical minerals (U.S. Geological Survey, 2022). Lithium, also considered a critical mineral, has been produced in Utah since 2020, making Utah one of only two lithium-producing states. Throughout this report, production is designated in US short tons (t) or million short tons (Mt) unless otherwise indicated.
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Stefanski, M. J., and C. J. Martin. Toxic Stabilization and Precious Metals Recovery From By - Products, Nerco Con Mine. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/133359.

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Bundtzen, T. K., and M. L. Miller. Precious metals associated with Late Cretaceous-early Tertiary igneous rocks of southwestern Alaska. Alaska Division of Geological & Geophysical Surveys, 1996. http://dx.doi.org/10.14509/1739.

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Lutz, J. D., W. T. Wheelis, and I. H. Gundiler. Recovery and recycling of aluminum, copper, and precious metals from dismantled weapon components. Office of Scientific and Technical Information (OSTI), February 1995. http://dx.doi.org/10.2172/25039.

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Rostovschikova, Tatiana, Alexei Vedyagin, Marina Shilina, Sergey Gurevich, Konstantin Maslakov, Denis Yavsin, Grigory Veselov, and Vladimir Stoyanovskii. Advantages of laser electrodispersion for the synthesis of CO oxidation catalysts with low loading of precious metals. Peeref, June 2023. http://dx.doi.org/10.54985/peeref.2306p4533105.

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Gowing, C. J. B., and P. J. Potts. Evaluation of a rapid technique for the determination of precious metals in geological materials based on an aqua regia leach. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1993. http://dx.doi.org/10.4095/193248.

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Addleman, Raymond. Recovery of Rare Earths, Precious Metals and other Critical Materials from Geothermal Waters with Advanced Sorbent Structures - CRADA 355 (Abstract). Office of Scientific and Technical Information (OSTI), May 2024. https://doi.org/10.2172/2500312.

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