CĂRȚI ÎN PORTUGHEZĂ ÎN LEGĂTURĂ CU «COBALTITE»
Descoperă întrebuințarea
cobaltite în următoarea selecție bibliografică. Cărți în legătură cu
cobaltite și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Portugheză.
1
Cobalt Conservation Through Technological Alternatives
This study which used free natural crystals of cobaltite, chalcopyrite and pyrite
has shown that with sodium diethyl dithiophosphate, best selectivity between
cobaltite and the other two sulfides should be expected in the pH range between
4 ...
National Research Council (U.S.). Committee on Technological Alternatives for Cobalt Conservation, 1983
2
Atlas of the Textural Patterns of Ore Minerals and ...
An alternative possibility is the dissolution of cobaltite and precipitation of
argentite (Fig. 160). In some cases the argentite forms marginal replacements to
skeletal structures of cobaltite. Complex replacement textures may be exhibited
where ...
3
Perovskite Oxide for Solid Oxide Fuel Cells
9.2.3.1 Strontium-Doped Samarium Cobaltite Strontium-doped samarium
cobaltite (SSC) is selected as the air electrode material of our standard cells. The
slurry of Sm0.5Sr0.5CoO3–d powder is screen printed onto the electrolyte disk
with an ...
4
Gems: Their Sources, Descriptions and Identification
Cobaltite. Cobaltite is CoAsS and forms opaque silver to greyish black
pseudocubic or pseudopyritohedral crystals of the orthorhombic system with a
perfect cleavage in one direction, hardness 5.5, and SG 6.3. The RI will be out of
the range of ...
5
Optical Mineralogy: Principles And Practice
Polished section Occurrence Distinguishing features Notes Cobaltite Crystals
Polished section Occurrence Distinguishing features Covellite Crystals Thin
section Polished section Cinnabar (Plates 4e & f) is light grey to bluish light grey,
...
Cobaltite is present in the Dolgellau Gold Belt region, being most abundantly
developed in the southwestern extremity (Gilbey. 1968), especially at the
Panorama and Vigra Mines. Gilbey (1968) also noted that it is found at the Wnion
, ...
7
Hydrometallurgy in Extraction Processes
A publication of Sutton and Corrick50 reported extraction of cobalt to the tune of
only 15% from low-grade cobaltite (CoAsS) ore leaching for 70 d in iron-bearing
bacterial solutions. The authors thought the indirect action of ferric sulfate was the
...
C. K. Gupta, T. K. Mukherjee, 1990
8
Mineral Deposits at the Beginning of the 21st Century
... cobaltite, chalcopyrrhotite, valleriite, arsenopyrite (compare Ivanovka par-
agenesis). The deposit is Co-rich and Ni-poor. Cobalt concentrates in cobaltite,
Co-pyrite (up to 7%), marca- site-pyrite (up to 1.2%). Nickel is absent in massive
ore, ...
9
The Ore Minerals Under the Microscope: An Optical Guide
Cobaltite (Cobaltine) Geologic Environment: high-temperature hydrothermal
deposits, contact metamorphic rocks Reflection Colour: light pink Internal
Reflections: Reflectance [%]: Anisotropy: 52.71 greenish to bluish Bireflectance: ...
10
Geological Survey of Canada, Open File 3057
Several grains of Pd-bearing breithauptite were found, generally < 40 (im in size,
and associated with ullmannite and cobaltite/gersdorffite. Au-Ag alloys were
found included in cobaltite/gersdorffite (< 2 to 5 x 10 Lim) and are approximately
...
ȘTIRI NOI CARE INCLUD TERMENUL «COBALTITE»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
cobaltite în contextul următoarelor știri.
Infographic: The story of Voisey's Bay—The discovery (Part 1 of 3)
In August 1994, the prospectors received more detailed assays from the samples they collected—assays that confirmed a multi-element deposit with cobaltite, ... «Resource Clips, Oct 15»
Umicore maintains guidance as catalysts, batteries soar
Demand for Umicore's lithium cobaltite materials used in batteries for high-end portable electronics increased with the introduction of new models,. Umicore also ... «Reuters, Oct 15»
Using XPS for the Spectroscopic Analysis of Solid Oxide Fuel Cell …
Strontium-substituted lanthanum cobaltites serve as fuel cell cathode layers. Using these perovskite materials, the catalytic activity is influenced by chemistry and ... «Azom.com, Iul 15»
Cobalt Was So Murderous That it Was Named After Evil Spirits
A cobalt atom with two arsenic atoms attached is called cobaltite, and a cobalt atom with three arsenic atoms attached is called skutterudite. Neither is a rare ... «io9, Iul 15»
Nickel: The Outperformer And Top Pick For 2015
... and/or massive (1-2% nickel), oftentimes copper occurs with similar grades. Ore minerals: Pyrrhotite, chalkopyrite, pentlandite, cobaltite and PGM minerals. «Seeking Alpha, Apr 15»
High Spatial Resolution Analysis of Ore Mineralization with Low …
It is possible to recognize the compositional variation of a cobaltite-gersdorffite solid solution with cobalt being substituted with nickel at the rim. «Azom.com, Feb 15»
MetalCORP announces more discoveries
Also, drilling under this program at the Belacoma area intersected a massive sulphide vein of cobaltite, which assayed a high grade of 0.5 percent Co, 0.1 ... «Fort Frances Times, Ian 15»
Half year results 2014: Umicore's revenues slightly down
Umicore further increased its shipments of LCO (lithium cobaltite) for use in high-end portable electronics such as smartphones and tablets benefiting from its ... «Recycling News, Iul 14»
Pinch of Pigment: Cobalt Blue
Cobalt ore is notoriously tricky to extract from the ground, and could poison mines in the form of cobaltite (CoAsS), which contains arsenic and sulfur. For this ... «Scientific American, Apr 14»
Refined materials provide booster shot for solar energy conversion
... SrRuO3 (strontium ruthenate), and SrVO3 (strontium vanadate) and p-type La0.5Sr0.5CoO3 (lanthanum strontium cobaltite) and La0.7Sr0.3MnO3 (lanthanum ... «Phys.Org, Nov 13»
