columbite-tantalite refinery

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columbite-tantalite refinery,

ITEM DEFINITION 3TG Tantalum, tin, tungsten . - Pico Electronics

and refiners that have undergone assessment through the CFSP, a program . (A) columbite-tantalite (coltan), cassiterite, gold, wolframite, or their derivatives; or.

KEMET Conflict Minerals Report

May 3, 2018 . which those minerals are extracted, namely, columbite-tantalite, cassiterite .. refiners in their supply chain utilizing the RMI - Conflict Minerals.

niobium processing | History, Ores, Mining, & Extraction | Britannica .

Extraction and refining . Columbite concentrates and tin slags with a high tantalum content (greater than 10 percent) are directly dressed in most cases by a wet.

Conflict Minerals Report - Merck

to (i) determine whether any columbite-tantalite (coltan), cassiterite, gold, .. smelters/refiners and countries of origin of the Conflict Minerals in products or.

Responsible Sourcing of Conflict Minerals Conflict minerals . - Gentex

Conflict minerals include gold, cassiterite, columbite tantalite or coltan, wolframite, . of conflict minerals, including smelters and refiners in the Company's supply.

An Exploration in Mineral Supply Chain Mapping Using Tantalum as .

Significant tantalum (Ta) fabricators and refineries in the world. ... The project produces tantalum concentrates composed of columbite-tantalite and other.

Conflict Mineral May 29, 2015 - ASM

May 29, 2015 . Annex 1 - Smelters/Refineries Country Location by Metal Type. . The specified minerals are Columbite-tantalite (coltan), cassiterite, wolframite.

A Review of Niobium-Tantalum Separation in Hydrometallurgy

Keyword: Niobium, Tantalum, Columbite, Tantalite, Solvent extractant and ... A. Choudhury, E. Hengsberger (1992) Electron Beam Melting and Refining of.

columbite-tantalite refinery,

Responsible Sourcing of Conflict Minerals Conflict minerals . - Gentex

Conflict minerals include gold, cassiterite, columbite tantalite or coltan, wolframite, . of conflict minerals, including smelters and refiners in the Company's supply.

Conflict Minerals Disclosure « MoSys

Conflict Minerals are defined as columbite-tantalite (coltan), cassiterite, gold, . MoSys does not purchase directly from smelters or refineries and must rely upon.

What is Coltan? 5 Facts You Should Know | Investing News Network

Oct 3, 2018 . Coltan, or columbite-tantalite, is an ore from which niobium and tantalum are extracted. As a report from the US Geological Survey notes, the.

An Exploration in Mineral Supply Chain Mapping Using Tantalum as .

Significant tantalum (Ta) fabricators and refineries in the world. ... The project produces tantalum concentrates composed of columbite-tantalite and other.

Where Apple Gets the Tantalum for Your iPhone - Newsweek

Feb 4, 2015 . Apple says it doesn't use tantalum from war zones in Congo, but how can . The figures show progress—more smelters refining clean metal or.

Apple axed 10 smelters and refiners from supply chain in 2017 .

Mar 7, 2018 . Currently, the program covers sources of gold, columbite-tantalite (coltan), cassiterite, wolframite, tantalum, tin and tungsten. A total of 250.

Niobium and Tantalum - prometia

deposits are columbite-tantalite series. .. refining of Tantalum is accomplished through hydrofluoric and sulphuric acid leaching at high temperatures, which.

Form SD Conflict Minerals CY2017 - Xilinx

Xilinx's RCOI was based on multi-industry initiatives with the smelters and refiners of "conflict minerals," which are columbite-tantalite, cassiterite, gold,.

Conflict Minerals Report - Cree, Inc

May 30, 2018 . columbite-tantalite (coltan), gold, and wolframite, and their derivatives, .. minerals originating from the DRC region from smelters and refiners.

Featured: In Ngororero District, a new partner steps in | The New .

Jun 5, 2018 . Coltan, an abbreviation for columbite – tantalite, consists of two . PRG Plc. PRG consists of a CFSi compliant refinery of Tantalum and Niobium.

What are conflict minerals? - Responsible Minerals Initiative

. by the US legislation, currently include the metals tantalum, tin, tungsten and gold, which are the derivatives of the minerals cassiterite, columbite-tantalite and.

Niobium and Tantalum - prometia

deposits are columbite-tantalite series. .. refining of Tantalum is accomplished through hydrofluoric and sulphuric acid leaching at high temperatures, which.

Conflict Minerals Report for Calendar Year Ended December . - Intuit

These minerals are cassiterite, columbite-tantalite (coltan), gold, wolframite, and their derivatives, which ... CCR Refinery - Glencore Canada Corporation.

Rare Metals Background - MIT

An introduction to the rare metals Tantalum, Niobium, Cobalt, and Zirconium, the . They are typically found together in the ore columbite-tantalite ("coltan").

A Review of Niobium-Tantalum Separation in Hydrometallurgy

Keyword: Niobium, Tantalum, Columbite, Tantalite, Solvent extractant and ... A. Choudhury, E. Hengsberger (1992) Electron Beam Melting and Refining of.

Where Apple Gets the Tantalum for Your iPhone - Newsweek

Feb 4, 2015 . Apple says it doesn't use tantalum from war zones in Congo, but how can . The figures show progress—more smelters refining clean metal or.

(PDF) Global Supply Chains of Coltan - ResearchGate

Aug 1, 2018 . The profit from columbite-tantalite ore, or coltan, is alleged to have. . contracts between mining corporations and refiners. The DRC.

HUBBELL INCORPORATED Conflict Minerals Report For The Year .

columbite-tantalite, gold, wolframite, and their derivatives, which are limited to ... suppliers and the sources of Conflict Minerals for those smelters and refiners to.

EX-1.01 - SEC

. during calendar year 2014 and that contain gold, columbite-tantalite (coltan), . The number of conflict-free smelters and refiners in Apple's supply chain has.

Columbite-Tantalite: Columbite-Tantalite mineral information and data.

A generic name for minerals of the Columbite/Tantalite families which are difficult to distinguish without sophisticated tests.

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