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  • Exhibit SEC

    Exhibit SEC

    Certain of our products contain materials or components that use tin, tantalum, tungsten andor gold 3TG. Due to the depth of our supply chain, we are often far removed from the sources of ore from which these metals are produced and the smeltersrefiners that process those ores the efforts undertaken to identify the countries of origin of those ores reflect our circumstances and ...

  • Tantalum Infogalactic the planetary knowledge core

    Tantalum Infogalactic the planetary knowledge core

    Tantalum is considered a conflict resource. Coltan, the industrial name for a columbitetantalite mineral from which columbium i.e. niobium and tantalum are extracted, can also be found in Central Africa, which is why tantalum is being linked to warfare in the Democratic Republic of the Congo formerly Zaire.According to an October 23, 2003 United Nations report, the smuggling

  • European dependence on and concentration

    European dependence on and concentration

    Also germanium, niobium, antimony, tungsten, magnesium and platinum show a very high concentration of the global production. Lower HHI values, but still values representing a critical concentration in the global production can be observed for palladium, tantalum, vanadium, lithium, cobalt, tin, chromium, molybdenum and lead.

  • David Trueman The Ups and Downs of Minor Metal Investing

    David Trueman The Ups and Downs of Minor Metal Investing

    Jul 06, 2011 TCMR What tantalum and niobium companies are interesting DT More than 80 of the worlds niobium has come from the Arax Deposit in Brazil. More recently about 70 of the worlds tantalum was ...

  • Material efficiency rare and critical metals

    Material efficiency rare and critical metals

    Mar 13, 2013 Niobium and tantalum are mainly mined from pyrochlore and tantalite, respectively. They are also obtained from tin slag. Cassiterite ore contains about 70 per cent tin and 0.2 per cent of tantalum, which leads to a potential production of 750 tonnes . In 2010, production of tantalum from tin ore was 102 tonnes 13 of its total world production.

  • Ulba Metallurgical Plant is one of the world leaders in

    Ulba Metallurgical Plant is one of the world leaders in

    concentrated its activities in the nuclear business and diversified into all stages of front-end nuclear fuel cycle as a leading global supplier of natural uranium and a regional supplier of nuclear fuel and its components for nuclear power plants. VISION 1. 2. 3. Keep leading positions in the world in extraction and sales of natural uranium.

  • High Precision Advanced tantalum niobium ore Products

    High Precision Advanced tantalum niobium ore Products

    Alibaba.com features a broad selection of optimal quality tantalum niobium ore that work with high precision and make your work easier. Grab these tantalum niobium ore at low prices.

  • China Tantalum Niobium Ore concentrate Tantalum

    China Tantalum Niobium Ore concentrate Tantalum

    China Tantalum Niobium Ore- -concentrate manufacturers - Select 2021 high quality Tantalum Niobium Ore- -concentrate products in best price from certified Chinese Tantalum Mining Machinery, Tantalum Spiral Separator suppliers, wholesalers and factory on Made-in-China.com

  • Niobium CRM Alliance

    Niobium CRM Alliance

    Niobium is the 35th most abundant element in the earths crust at a concentration of about 8 ppm. The two largest production sites for niobium are in Brazil with the third largest production site in Canada. The bulk of the niobium extracted is concentrated by flotation and then converted to ferro-niobium FeNb by aluminothermic reduction.

  • Kanyika Niobium Project Globe Metals amp Mining

    Kanyika Niobium Project Globe Metals amp Mining

    Refining involves the treatment of pyrochlore mineral concentrate with strong acids to liberate niobium and tantalum products. Solvent extraction recovers niobium as niobium pentoxide and tantalum as tantalum pentoxide - both grading better than 99 purity.

  • Concentration of Tantalu anm d Niobium

    Concentration of Tantalu anm d Niobium

    tantalum and niobium ores are littl differene t to High Temperature Materials and Processes those used for the mining of the majority of other minerals, any differences that do exist being the result of the scale operations. Mining o primarf orey requires eithes r underground, or open pit, mining. Tanco Bernis c Lake tantalum mine and Niobecs niobium mine

  • Tantalum Processing TIC TantalumNiobium International

    Tantalum Processing TIC TantalumNiobium International

    The extraction and refining of tantalum, including the separation from niobium in these various tantalum-containing mineral concentrates, is generally accomplished by treating the ores with a mixture of hydrofluoric and sulfuric acids at elevated temperatures. This causes the tantalum and niobium values to dissolve as complex fluorides, and numerous impurities that were

  • Rare Metals Background MIT

    Rare Metals Background MIT

    Tantalum is primarily used in capacitors for microelectronics due to its high heat and electrical conductivity. Niobium can be used as an alternative to tantalum capacitors Niobium Columbium and Tantalum, 2009, but it is used primarily in alloys for superconducting magnets, rockets, turbines, and medical instruments.

  • High RRR Niobium Cost Reduction Program for SRF Linacs

    High RRR Niobium Cost Reduction Program for SRF Linacs

    High RRR bulk niobium cavities are the workhorses of all the SRF accelerators that are under construction SNS andor in planning to be built RIA and TESLA. The cost of high RRR niobium is a substantial fraction of these accelerators. One reason for such high niobium costs is believed to be the low tantalum content specification, which in some

  • 9 Report on Recent Status of TENORM in Thailand

    9 Report on Recent Status of TENORM in Thailand

    681,750 bbld for refinery of crude petroleum 3.4 x 10 333 ty 13.3 and 2.07 226Rn for scales and sludge, respectively. Extrapolated from USA data 6 Tantalum amp Niobium extraction 250,000 ty 9,612 ty Not known Report of H.C. Starck Thailand Co.,Ltd.7 Tin production 3,000 ty for production 30,000 ty for smelter

  • Magic Metal Tantalum industry news and applications of

    Magic Metal Tantalum industry news and applications of

    Dec 18, 2019 The front end of tantalum niobium production has a large space, the intermediate wet smelting and fire smelting also have a certain profit, and the back end high specific volume of tantalum powder and tantalum wire production and sales market also has a large operation space. However, since the second half of 2012, with the emergence of the ...

  • Hydrometallurgical Process for Tantalum Recovery from

    Hydrometallurgical Process for Tantalum Recovery from

    The TantalumNiobium International Study Center TIC indicates that the global production of tantalum was 2800 tons in 2014, and at that time, it was sourced from 1400 tons of tantalum mineral concentrate, 370 tons of tin slag, and 990 tons of scrap, respectively .Due to recent developments, the recycling of tantalum has gradually begun to play an important role in the

  • A study on the effect of tantalumimpurity content on the

    A study on the effect of tantalumimpurity content on the

    Oct 10, 2012 This ties up with earlier experimental studies on niobium 26, 27, which had shown that an oxygen concentration of 0.1 at. would reduce T C from 9.25 to less than 9.1 K, the typical range of values of T C observed in the present BCP and thermally annealed technical-niobium samples with different tantalum-impurity content.

  • Auxico Becomes a Member of the TantalumNiobium

    Auxico Becomes a Member of the TantalumNiobium

    May 11, 2021 MONTREAL, May 11, 2021 CNW Telbec - Auxico Resources Canada Inc. CSE AUAG is pleased to announce that it has become a member of the Tantalum-Niobium International Study Center TIC. TIC is an international, non-profit association that was established in 1973 to support, develop and promote the global tantalum and niobium

  • Myths and realities Tantalum and Niobium COLTAN in

    Myths and realities Tantalum and Niobium COLTAN in

    Jun 27, 2018 From a perspective of the concentration of minerals, this area has the peculiarity of having found Tantalum Ta and Niobium Nb, whose purity content exceeds 45, which is determined by the ...

  • Coltan Tungsten amp TinCommodity Atlas Research Page

    Coltan Tungsten amp TinCommodity Atlas Research Page

    Coltan Coltan is the source of the minerals niobium and tantalum. In the context of the DRC, coltan generally refers to tantalum, which is used widely in the capacitors of common electronics like cell phones and laptops. Tantalum is also commonly used in the automotive industry and for jet engines. 29

  • US3300297A Beneficiation of tantalum and columbium

    US3300297A Beneficiation of tantalum and columbium

    US3300297A US37035764A US3300297A US 3300297 A US3300297 A US 3300297A US 37035764 A US37035764 A US 37035764A US 3300297 A US3300297 A US 3300297A Authority US United States Prior art keywords tantalum columbium slag sulfuric acid tin Prior art date 1964-05-26 Legal status The legal status is an assumption and is not a legal conclusion.

  • 15 Interesting Facts About Niobium Brian D Colwell

    15 Interesting Facts About Niobium Brian D Colwell

    February 2, 2020. by Brian Colwell. Niobium is considered to be a critical and strategic commodity because of the metals specialized applications in defense, energy, high-tech industrial, and medical sectors. In addition, Niobium has no effective substitutes and the production of niobium is highly concentrated.

  • A review on extractive metallurgy of tantalum and niobium

    A review on extractive metallurgy of tantalum and niobium

    The total impurity concentration in high-purity niobium and tantalum oxides ten years ago was 100 ppm or more, whereas this value is now decreased to

  • GAM Technology Global Advanced Metals

    GAM Technology Global Advanced Metals

    The Boyertown plant in Pennsylvania is the only fully integrated producer of tantalum and niobium in the United States. The refinery has been operating at its 300 acre site for over 70 years. Boyertown manufactures tantalum capacitor-grade powder, including proprietary high-voltage products, as well as metallurgical products of tantalum ...

  • Kanyika Niobium Project Globe Metals amp Mining

    Kanyika Niobium Project Globe Metals amp Mining

    The refinery could alternatively produce a tantalum salt K2TaF7 used in the electronic industry, dependent on customer demand. This process technique was chosen as the refinery will be able to recover and sell both niobium and tantalum creating a value-added outcome.

  • Niobium and tantalum USGS

    Niobium and tantalum USGS

    Niobium and tantalum are transition metals that are almost always found together in nature because they have very similar physical and chemical properties. Their properties of hardness, conductivity, and resistance to corrosion largely determine their primary uses today. The leading use of niobium about 75 percent is in the production of high-strength steel alloys used in

  • Responsible Minerals Initiative

    Responsible Minerals Initiative

    If you purchase tantalum ore and concentrate it up to a higher concentration of tantalum, that would be another line in the table. If you also turn the tantalum ore into Ta2O5, K2TaF7, or TaCl5, that would be yet another line in the table.

  • SEC

    SEC

    Communicating the commitments and requirements expected of our direct suppliers, supported by, when appropriate, email and phone dialogues. Comparing smelters and refiners identified by suppliers to the Conflict Free Sourcing Initiative CFSI lists of validated conflict free and verified facilities and the US Department of Commerce Reporting Requirements Under Section

  • Thermodynamic Approach to Evaluate the Criticality of

    Thermodynamic Approach to Evaluate the Criticality of

    On the other hand, if we represent this same information using thermodynamic rarity, expressed in Mtoe, the situation changes drastically. In the case of imports, the minerals that stand out notably are PGM, tellurium, tantalum, beryllium, and niobium, with shares of 35.1, 25.6, 19.6, 4.3, and 3.2, respectively.

  • A Medley of Potpourri Tantalum

    A Medley of Potpourri Tantalum

    Jun 29, 2019 Tantalum was discovered in Sweden in 1802 by Anders Ekeberg, in two mineral samples one from Sweden and the other from Finland.One year earlier, Charles Hatchett had discovered columbium now niobium, and in 1809 the English chemist William Hyde Wollaston compared its oxide, columbite with a density of 5.918 gcm 3, to that of tantalum, tantalite with