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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

  • Guoxin Hu, Feng Gao, Jie Kong, Shengjie Yang, Qingqing Zhang, Zhengtang Liu, Yong Zhang, Huajun Sun, Preparation and dielectric properties of poly(vinylidene fluoride)/Ba0.6Sr0.4TiO3 composites, Journal of Alloys and Compounds, Volume 619, 15 January 2015
  • Hong Yeong Kim, Hyun Gyu Im, Suk-Kyu Chang, Colorimetric and fluorogenic signaling of fluoride ions by thiophosphinated dichlorofluorescein, Dyes and Pigments, Volume 112, January 2015
  • A.P. Voitovich, V.S. Kalinov, A.P. Stupak, A.N. Novikov, L.P. Runets, Near-surface layer radiation color centers in lithium fluoride nanocrystals: Luminescence and composition, Journal of Luminescence, Volume 157, January 2015
  • Shengji Xia, Muzi Ni, Preparation of poly(vinylidene fluoride) membranes with graphene oxide addition for natural organic matter removal, Journal of Membrane Science, Volume 473, 1 January 2015
  • Zhaoliang Cui, Naser Tavajohi Hassankiadeh, Suk Young Lee, Kyung Taek Woo, Jong Myung Lee, Aldo Sanguineti, Vincenzo Arcella, Young Moo Lee, Enrico Drioli, Tailoring novel fibrillar morphologies in poly(vinylidene fluoride) membranes using a low toxic triethylene glycol diacetate (TEGDA) diluent, Journal of Membrane Science, Volume 473, 1 January 2015
  • Jinliang Song, Yanling Zhao, Xiujie He, Baoliang Zhang, Li Xu, Zhoutong He, DongSheng Zhang, Lina Gao, Huihao Xia, Xingtai Zhou, Ping Huai, Shuo Bai, Preparation of pyrolytic carbon coating on graphite for inhibiting liquid fluoride salt and Xe135 penetration for molten salt breeder reactor, Journal of Nuclear Materials, Volume 456, January 2015
  • Zhaozheng Qiu, Min Su, Liling Wei, Hongliang Han, Qibo Jia, Jianquan Shen, Improvement of microbial fuel cell cathodes using cost-effective polyvinylidene fluoride, Journal of Power Sources, Volume 273, 1 January 2015
  • Xin Zhao, Liangmiao Zhang, Pan Xiong, Wenjing Ma, Na Qian, Wencong Lu, A novel method for synthesis of Co–Al layered double hydroxides and their conversions to mesoporous CoAl2O4 nanostructures for applications in adsorption removal of fluoride ions, Microporous and Mesoporous Materials, Volume 201, 1 January 2015
  • Pritty Rao, Sanjiv Kumar, R.B. Tokas, N.K. Sahoo, A probe into compositional and structural dependence of optical properties of lanthanum fluoride films prepared by resistive heating, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 342, 1 January 2015
  • Zhaohua Li, Le Liu, Lihong Yu, Lei Wang, Jingyu Xi, Xinping Qiu, Liquan Chen, Characterization of sulfonated poly(ether ether ketone)/poly(vinylidene fluoride-co-hexafluoropropylene) composite membrane for vanadium redox flow battery application, Journal of Power Sources, Volume 272, 25 December 2014