Results 151 to 160 of about 1,143 (211)

Recovery of antimony from acidic and alkaline leaching solution of low-grade antimony ore by electrowinning process. [PDF]

Heliyon
Sajadi SAA, Khorablou Z, Naeini MS.
europepmc   +1 more source

Surviving Allchar: arsenic and thallium tolerance and distribution in Viola metallophytes. [PDF]

Ann Bot
Jakovljević K, Salinitro M, Bačeva Andonovska K, Mišljenović T, Brueckner D, van der Ent A.   +5 more
europepmc   +1 more source

Occurrence modes of gold and relevant analytical methodologies. [PDF]

RSC Adv
Li D, Zhang X, Zhang L, Fang P, Feng L, Wang J, Zhang Z.   +6 more
europepmc   +1 more source

Visible light active Bi₂S₃/ZIF-8 MOF composite for concurrent doxycycline degradation and antibacterial action. [PDF]

BMC Chem
Subhadarshini A, Behera SA, Parwin N, Subudhi E, Achary PGR, Nanda B.   +5 more
europepmc   +1 more source

Stibnite microstructures as imprints of fault movement

Mineralium Deposita, 2004
The natural deformation of stibnite in relation to the kinematic history of a regional fault is resolved using microstructural analysis of massive stibnite along the Biards Fault in the Massif Central (France). Stibnite underwent intra-crystalline deformation associated with a strong linear and planar anisotropy.
Jean-Philippe Bellot, Laurent Bailly, Catherine Lerouge, Vincent Bouchot   +3 more
openaire   +2 more sources

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On the space-group dispute of stibnite

Journal of Applied Crystallography, 2004
Violations of the systematically absent reflections in a data set of stibnite in the space groupPnmahave been shown to originate from multiple diffraction, and for a few reflections additional intensity from λ/2 radiation was found. The study was performed by measurements of the Ψ profiles for a number of reflections and comparison with the theoretical
Henning Osholm Sørensen, Lars F Lundegaard, Sørensen H O   +2 more
exaly   +2 more sources

Mechanism of stibnite volatilization at high temperature

Journal of Central South University, 2015
The volatilization of stibnite (Sb2S3) in nitrogen from 700 to 1000 °C was investigated by using thermogravimetric analysis. The results indicate that in inert atmosphere, stibnite can be volatilized most efficiently as Sb2S3 (g) at a linear rate below 850 °C, with activation energy of 137.18 kJ/mol, and the reaction rate constant can be expressed as k=
Wenqing Qin, Yong-Xing Zheng
exaly   +2 more sources

Investigation of Alkaline Leaching Parameters on Stibnite Concentrate

Mining, Metallurgy & Exploration, 2020
According to critical statistical studies, antimony is one of the rarest elements in the world, and global resources could be exhausted by 2050. In light of these observations, its extraction will be costly due to poor-quality ore, deep mining, remote locations, and high energy consumption. In the present study, an alkaline leaching process was carried
Serdar Aktaş, Burcu Nilgün Çetiner
openaire   +3 more sources

Activation mechanism of lead ion in the flotation of stibnite

Minerals Engineering, 2018
Abstract The flotation of stibnite with Pb 2+ as an activator was examined with micro-flotation tests, inductively coupled plasma mass spectrometry (ICP-MS) experiments and density functional theory (DFT) calculations. It was found that at a pH of 6.5, the addition of Pb(NO 3 ) 2 notably improved the flotation efficiency of stibnite with butyl ...
Qinbo Cao, Xiumin Chen, Qicheng Feng
exaly   +2 more sources