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About Fluorides

solid oxide fuel cell cathode and electrolyte cross section by SEM

Thefluoride ion is the anion of fluorine, F-, and fluorides are compounds which contain this anion. Metal mono-, di, and tri-fluorides usually exhibit ionic bonding, penta-fluorides and higher exhibit covalent bonding, and tetrafluorides contain bonds with intermediate properties. Ionic-bonded fluorides may be soluble or insoluble: alkali fluorides are soluble, alkali earth metals form insoluble fluorides, transition metal difluorides are often soluble, and tri-fluorides are insoluble. An exception to some of these trends is beryllium difluoride, which features bonds with partially covalent character and the crystalline structure of a covalently bonded network solid, yet is soluble in water. Covalently metal bonded fluorides are typically either gases or volatile liquids or solides, and act chemically as oxidants and fluoridating agents. Tungsten hexafluoride is used routinely to deposit tungsten using chemical vapor deposition methods in semiconductor device fabrication. Uranium hexafluoride is of vital importance to the enrichment processed used to produce nuclear reactor fuels and material for nuclear weapons. Non-metal fluorides also exist, and all are volatile compounds, but their chemical properties vary widely. A number of important superacids contain fluorine, and are typically produced by mixing hydrogen fluoride, itself a highly reactive acid, with a metal fluoride.

Fluoride Products

American Elements manufactures multiple forms of fluorides compounds including solutions, nanopowders, submicron, and -325 mesh powders, and high surface area materials with particle distribution and particle size controlled and certified. We also produce larger -40 mesh, -100 mesh, -200 mesh range sizes and <0.5 mm, 2 mm, 5 mm and other sizes of shot, granules, lump, flake and pieces. Purities include 99%, 99.9%, 99.99%, 99.999% and 99.9999% (2N, 3N, 4N, 5N and 6N).

American Elements maintains industrial scale production for all its fluorides products and will execute Non-Disclosure or Confidentiality Agreements to protect customer know-how.

Recent Research & Development for Fluorides

  • Dmitri O. Charkin, Igor V. Plokhikh, Alexey N. Kuznetsov, Sergey M. Kazakov, BaFAlSi and BaFAlGe: First transition metal-free LaOAgS-type fluoride tetrelides, Journal of Alloys and Compounds, Volume 627, 5 April 2015
  • Jiaming Zhu, Jiabin Shen, Shaoyun Guo, Hung-Jue Sue, Confined distribution of conductive particles in polyvinylidene fluoride-based multilayered dielectrics: Toward high permittivity and breakdown strength, Carbon, Volume 84, April 2015
  • Zhen Wan, Wei Chen, Cheng Liu, Yu Liu, Changlong Dong, Preparation and characterization of γ-AlOOH @CS magnetic nanoparticle as a novel adsorbent for removing fluoride from drinking water, Journal of Colloid and Interface Science, Volume 443, 1 April 2015
  • Chao Chen, Xiaoping Xu, Shu Chen, Bin Zheng, Miao Shui, Lingxia Xu, Weidong Zheng, Jie Shu, Liangliang Cheng, Lin Feng, Yuanlong Ren, The preparation and characterization of iron fluorides polymorphs FeF3·0.33H2O and β-FeF3∙3H2O as cathode materials for lithium-ion batteries, Materials Research Bulletin, Volume 64, April 2015
  • Manabu Miyamoto, Takenao Nakatani, Yuichi Fujioka, Katsunori Yogo, Verified synthesis of pure silica CHA-type zeolite in fluoride media, Microporous and Mesoporous Materials, Volume 206, April 2015
  • J.C.C. Ferreira, T.S. Monteiro, A.C. Lopes, C.M. Costa, M.M. Silva, A.V. Machado, S. Lanceros-Mendez, Variation of the physicochemical and morphological characteristics of solvent casted poly(vinylidene fluoride) along its binary phase diagram with dimethylformamide, Journal of Non-Crystalline Solids, Volume 412, 15 March 2015
  • Yang Yu, Chenghong Wang, Xue Guo, J. Paul Chen, Modification of carbon derived from Sargassum sp. by lanthanum for enhanced adsorption of fluoride, Journal of Colloid and Interface Science, Volume 441, 1 March 2015
  • Gopi Sharma, Ruchika Bagga, Nancy Mahendru, Mauro Falconieri, Venu Gopal Achanta, Ashutosh Goel, Shaik Nayab Rasool, Navooru Vijaya, Influence of lead and cadmium fluoride variation on white light emission characteristics in oxyfluoride glasses and glass–ceramics, Journal of Luminescence, Volume 159, March 2015
  • Aleena Rose, Nivea Raghavan, Sakthivel Thangavel, B. Uma Maheswari, Devika P. Nair, Gunasekaran Venugopal, Investigation of cyclic voltammetry of graphene oxide/polyaniline/polyvinylidene fluoride nanofibers prepared via electrospinning, Materials Science in Semiconductor Processing, Volume 31, March 2015
  • Hui-mei Cai, Gui-jie Chen, Chuan-yi Peng, Zheng-zhu Zhang, Yang-yang Dong, Guang-zhi Shang, Xiao-hui Zhu, Hong-jian Gao, Xiao-chun Wan, Removal of fluoride from drinking water using tea waste loaded with Al/Fe oxides: A novel, safe and efficient biosorbent, Applied Surface Science, Volume 328, 15 February 2015