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Potassium Heptafluorotantalate
K2TaF7
Product Product Code Order or Specifications
(2N) 99% Potassium Heptafluorotantalate TA-KF-02 Contact American Elements
(3N) 99.9% Potassium HeptafluoroTantalate TA-KF-03 Contact American Elements
(4N) 99.99% Potassium HeptafluoroTantalate TA-KF-04 Contact American Elements
(5N) 99.999% Potassium HeptafluoroTantalate TA-KF-05 Contact American Elements
Fluoride Ion  Potassium Heptafluorotantalate is generally immediately available in most volumes.American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia)and follows applicable ASTM testing standards.Typical and custom packaging is available. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.

Potassium(K) atomic and molecular weight, atomic number and elemental symbolPotassium is a Block S, Group 1, Period 4 element. The number of electrons in each of Potassium's shells is 2, 8, 8, 1 and its electronic configuration is [Ar] 4s1. In its elemental form potassium's CAS number is 7440-09-7. The potassium atom has a radius of 227.2 .pm and it's Van der Waals radius is 275.pm. Potassium is not toxic. Potassium is the seventh most abundant element on earth. In its metallic form it is one of the most reactive and Potassium Bohr Modelelectropositive of all metals and rapidly oxidizes. As with other metals of the alkali group, the metal Elemental Potassiumdecomposes in water with the evolution of hydrogen. It catches fire spontaneously in water. In high purity, potassium compounds have numerous pharmacological, medical, and electronics applications. Important compounds include the hydroxide, nitrate, carbonate, chloride, bromide, iodide, and sulfate. Lower purity compounds are used in pyrotechnics for its violet color on ignition and in glass and ceramic glazes to produce this color. Potassium also used as a nutrient in plant growth. Potassium was first discovered by Sir Humphrey Davy in 1807. The origin of the element name comes from the English word 'potash' meaning pot ashes and the Arabic word 'qali' which means alkali. The symbol K originates from the Latin word 'kalium'. See Potassium research below.

Tantalum(Ta) atomic and molecular weight, atomic number and elemental symbolTantalum is a Block D, Group 5, Period 6 element. The number of electrons in each of Tantalum's shells is 2, 8, 18, 32, 11, 2 and its electronic configuration is [Xe] 4f14 5d3 6s2. In its elemental form tantalum's CAS number is 7440-25-7. The tantalum atom has a radius of 143.pm and it's Van der Waals radius is 200.pm. Tantalum is not toxic. Tantalum has a number of interesting properties that make it particularly useful in Elemental Tantalumelectronic applications. Tantalum is available as metal and compounds with purities from 99% to 99.999% (ACS grade to ultra-high purity); metals in the form of foil, sputtering target, and rod, and compounds as submicron and nanopowder. It has the third highest melting point, surpassed only by rhenium and tungsten, yet it is highly conductive to heat and electricity. This has made it the material of choice for electronic capacitors for most Tantalum Bohr Modeltelecommunications and hand held electronics equipment, such as cell phones, laptop computers and pagers. Tantalum compounds, such as the oxide and chloride, are the basis for di-electric coatings. Tantalum is added to glass for its high refractive index. It has various applications in nuclear energy. Due to the close relation of tantalum to niobium in the periodic table, Tantalum's name originates from the Greek word Tantalos meaning Father of Niobe in Greek mythology. See Tantalum research below. See Tantalum research below.
Formula CAS No. Appearance Molecular Weight
K2TaF7 16924-00-8 White Crystals 392.14
PRODUCT CATALOG Potassium Products Foil Submicron & Nanopowder Tolling Ultra High Purity Sputtering Target Crystal Growth Rod, Plate, Powder, etc. Home

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Recent Research & Development for Potassium

  • Kv7 Channels Can Function without Constitutive Calmodulin Tethering. Gómez-Posada JC, Aivar P, Alberdi A, Alaimo A, Etxeberría A, Fernández-Orth J, Zamalloa T, Roura-Ferrer M, Villace P, Areso P, Casis O, Villarroel A. PLoS One. 2011;6(9):e25508. Epub 2011 Sep 28. PMID: 21980481 [PubMed - in process]

  • Hydrogen Sulfide as Endothelium-Derived Hyperpolarizing Factor Sulfhydrates Potassium Channels. Mustafa AK, Sikka G, Gazi SK, Steppan J, Jung SM, Bhunia AK, Barodka VM, Gazi FK, Barrow RK, Wang R, Amzel LM, Berkowitz DE, Snyder SH. Circ Res. 2011 Oct 6. [Epub ahead of print] PMID: 21980127 [PubMed - as supplied by publisher]

  • Effects of pH on Potassium: New Explanations for Old Observations. Aronson PS, Giebisch G. J Am Soc Nephrol. 2011 Oct 6. [Epub ahead of print] PMID: 21980112 [PubMed - as supplied by publisher]

  • Factors which determine the duration of follower potentials in longitudinal smooth muscle isolated from the guinea-pig stomach antrum. Shigemasa Y, Kito Y, Hashitani H, Suzuki H. J Smooth Muscle Res. 2011;47(3-4):89-110. PMID: 21979408 [PubMed - in process]

  • Cloning and Characterization of Catalases from Rice, Oryza sativa L. Wutipraditkul N, Boonkomrat S, Buaboocha T. Biosci Biotechnol Biochem. 2011 Oct 7. [Epub ahead of print] PMID: 21979082 [PubMed - as supplied by publisher]

  • Synthesis and preliminary evaluation of amiloride analogs as inhibitors of the urokinase-type plasminogen activator (uPA). Matthews H, Ranson M, Tyndall JD, Kelso MJ. Bioorg Med Chem Lett. 2011 Sep 18. [Epub ahead of print] PMID: 21978672 [PubMed - as supplied by publisher]

  • Metabolic changes during a field experiment in a world-class windsurfing athlete: a trial with multivariate analyses. Resende NM, de Magalhães Neto AM, Bachini F, de Castro LE, Bassini A, Cameron LC. OMICS. 2011 Oct;15(10):695-704. PMID: 21978397 [PubMed - in process]

  • Effects of elevated seawater pCO2 on gene expression patterns in the gills of the green crab, Carcinus maenas. Fehsenfeld S, Kiko R, Appelhans Y, Towle DW, Zimmer M, Melzner F. BMC Genomics. 2011 Oct 6;12(1):488. [Epub ahead of print] PMID: 21978240 [PubMed - as supplied by publisher]

  • Partial ABCC8 gene deletion mutations causing diazoxide-unresponsive hyperinsulinaemic hypoglycaemia. Flanagan S, Damhuis A, Banerjee I, Rokicki D, Jefferies C, Kapoor R, Hussain K, Ellard S. Pediatr Diabetes. 2011 Oct 7. doi: 10.1111/j.1399-5448.2011.00821.x. [Epub ahead of print] PMID: 21978130 [PubMed - as supplied by publisher]

  • Noise reduction in spectral CT: Reducing dose and breaking the trade-off between image noise and energy bin selection. Leng S, Yu L, Wang J, Fletcher JG, Mistretta CA, McCollough CH. Med Phys. 2011 Sep;38(9):4946. PMID: 21978039 [PubMed - in process]

  • The prevalence of interdigital erythrasma in southern region of Turkey. Inci M, Serarslan G, Ozer B, Inan MU, Evirgen O, Erkaslan Alagoz G, Duran N. J Eur Acad Dermatol Venereol. 2011 Oct 7. doi: 10.1111/j.1468-3083.2011.04293.x. [Epub ahead of print] PMID: 21977942 [PubMed - as supplied by publisher]

  • The roles of the cation transporters CHX21 and CHX23 in the development of Arabidopsis thaliana. Evans AR, Hall D, Pritchard J, Newbury HJ. J Exp Bot. 2011 Oct 5. [Epub ahead of print] PMID: 21976771 [PubMed - as supplied by publisher]

  • Hypercalciuria Associated with High Dietary Protein Intake Is Not Due to Acid Load. Maalouf NM, Moe OW, Adams-Huet B, Sakhaee K. J Clin Endocrinol Metab. 2011 Oct 5. [Epub ahead of print] PMID: 21976719 [PubMed - as supplied by publisher]

  • Mutation of the gastric hydrogen-potassium ATPase alpha subunit causes iron-deficiency anemia in mice. Krieg L, Milstein O, Krebs P, Xia Y, Beutler B, Du X. Blood. 2011 Oct 5. [Epub ahead of print] PMID: 21976678 [PubMed - as supplied by publisher]

  • Ion transporting proteins of human bronchial epithelium. Toczylowska-Maminska R, Dolowy K. J Cell Biochem. 2011 Oct 4. doi: 10.1002/jcb.23393. [Epub ahead of print] PMID: 21975871 [PubMed - as supplied by publisher]

  • The effects of cannabidiolic acid and cannabidiol on contractility of the gastrointestinal tract of Suncus murinus. Cluny NL, Naylor RJ, Whittle BA, Javid FA. Arch Pharm Res. 2011 Sep;34(9):1509-17. Epub 2011 Oct 6. PMID: 21975813 [PubMed - in process]

  • Nerve growth factor enhances the excitability of rat sensory neurons through activation of the atypical protein kinase C isoform, PKM{zeta} Zhang Y, Kays J, Hodgdon KE, Sacktor TC, Nicol GD. J Neurophysiol. 2011 Oct 5. [Epub ahead of print] PMID: 21975456 [PubMed - as supplied by publisher]

  • Prognostic significance of biochemical markers in African Burkitt's lymphoma. Arthur FK, Owusu L, Yeboah FA, Rettig T, Osei-Akoto A. Clin Transl Oncol. 2011 Oct;13(10):731-6. PMID: 21975335 [PubMed - in process]

  • Formulating a new basis for the treatment against botulinum neurotoxin intoxication: 3,4-Diaminopyridine prodrug design and characterization. Zakhari JS, Kinoyama I, Hixon MS, Di Mola A, Globisch D, Janda KD. Bioorg Med Chem. 2011 Sep 14. [Epub ahead of print] PMID: 21975066 [PubMed - as supplied by publisher]

  • Shape-tailoring and catalytic function of anisotropic gold nanostructures. Premkumar T, Lee K, Geckeler KE. Nanoscale Res Lett. 2011 Oct 5;6(1):547. [Epub ahead of print] PMID: 21974964 [PubMed - as supplied by publisher]

 

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Recent Research & Development for Tantalum

  • Mitral Valve Annuloplasty : A Quantitative Clinical and Mechanical Comparison of Different Annuloplasty Devices. Rausch MK, Bothe W, Kvitting JP, Swanson JC, Miller DC, Kuhl E. Ann Biomed Eng. 2011 Oct 25. [Epub ahead of print] PMID: 22037916 [PubMed - as supplied by publisher]

  • The Tetrahydrometalate Species VH2(H2), NbH4, and TaH4: Matrix Infrared Spectra and Quantum Chemical Calculations. Wang X, Andrews L. J Phys Chem A. 2011 Oct 24. [Epub ahead of print] PMID: 22017260 [PubMed - as supplied by publisher]

  • Controlled Synthesis of Tantalum Oxynitride and Nitride Nanoparticles. Gao Q, Giordano C, Antonietti M. Small. 2011 Oct 19. doi: 10.1002/smll.201101207. [Epub ahead of print] PMID: 22009942 [PubMed - as supplied by publisher]

  • Surgical Technique: Porous Tantalum Reconstruction for Destructive Nonprimary Periacetabular Tumors. Khan FA, Rose PS, Yanagisawa M, Lewallen DG, Sim FH. Clin Orthop Relat Res. 2011 Oct 12. [Epub ahead of print] PMID: 21989784 [PubMed - as supplied by publisher]

  • Carbon Radical Generation by d(0) Tantalum Complexes with ?-Diimine Ligands through Ligand-Centered Redox Processes. Tsurugi H, Saito T, Tanahashi H, Arnold J, Mashima K. J Am Chem Soc. 2011 Oct 26. [Epub ahead of print] PMID: 21981364 [PubMed - as supplied by publisher]

  • Trabecular metal cup without augments for acetabular revision in case of extensive bone loss and low bone-prosthesis contact. Pierannunzii L, Mambretti A, D'Imporzano M. Int J Immunopathol Pharmacol. 2011 Jan-Mar;24(1 Suppl 2):133-7. PMID: 21669152 [PubMed - indexed for MEDLINE]

  • Effects of the [OC6F5] moiety upon structural geometry: crystal structures of half-sandwich tantalum(V) aryloxide complexes from reaction of Cp*Ta(N(t)Bu)(CH2R)2 with pentafluorophenol. Cole JM, Chan MC, Gibson VC, Howard JA. Acta Crystallogr B. 2011 Oct;67(Pt 5):416-24. Epub 2011 Aug 31. PMID: 21931211 [PubMed]

  • Surgical Technique: A Cup-in-Cup Technique to Restore Offset in Severe Protrusio Acetabular Defects. Blumenfeld TJ, Bargar WL. Clin Orthop Relat Res. 2011 Sep 14. [Epub ahead of print] PMID: 21915769 [PubMed - as supplied by publisher]

  • Tantalum (oxy)nitrides: Preparation, characterisation and enhancement of photo-Fenton-like degradation of atrazine under visible light. Du Y, Zhao L, Su Y. J Hazard Mater. 2011 Nov 15;195:291-7. Epub 2011 Aug 22. PMID: 21885191 [PubMed - in process]

  • Prospective Results of Uncemented Tantalum Monoblock Tibia in Total Knee Arthroplasty Minimum 5-Year Follow-up in Patients Younger Than 55 Years. Kamath AF, Lee GC, Sheth NP, Nelson CL, Garino JP, Israelite CL. J Arthroplasty. 2011 Aug 25. [Epub ahead of print] PMID: 21872424 [PubMed - as supplied by publisher]

  • X-ray absorption, photoemission spectroscopy, and Raman scattering analysis of amorphous tantalum oxide with a large extent of oxygen nonstoichiometry. Tsuchiya T, Imai H, Miyoshi S, Glans PA, Guo J, Yamaguchi S. Phys Chem Chem Phys. 2011 Oct 14;13(38):17013-8. Epub 2011 Aug 24. PMID: 21863188 [PubMed - in process]

  • Evaluation of gene expression in MG63 human osteoblastlike cells exposed to tantalum powder by microarray technology. Sollazzo V, Pezzetti F, Massari L, Palmieri A, Brunelli G, Zollino I, Lucchese A, Caruso G, Carinci F. Int J Periodontics Restorative Dent. 2011 Jul-Aug;31(4):e17-28. PMID: 21837296 [PubMed - in process]

  • Hemocompatibility investigation of the NiTi alloy implanted with tantalum. Zhao T, Li Y, Gao Y, Xiang Y, Chen H, Zhang T. J Mater Sci Mater Med. 2011 Oct;22(10):2311-8. Epub 2011 Aug 11. PMID: 21833606 [PubMed - in process]

  • [Treatment of adult early femur head necrosis with the tantalum screw]. Luo HY, Chen CW. Zhongguo Gu Shang. 2011 Jun;24(6):482-5. Chinese. PMID: 21786551 [PubMed - indexed for MEDLINE]

  • A comparison of calibration methods for stereo fluoroscopic imaging systems. Kaptein BL, Shelburne KB, Torry MR, Giphart JE. J Biomech. 2011 Sep 2;44(13):2511-5. Epub 2011 Jul 23. PMID: 21783196 [PubMed - in process]

  • Titanium and tantalum as mesenchymal stem cell scaffolds for spinal fusion: an in vitro comparative study. Blanco JF, Sánchez-Guijo FM, Carrancio S, Muntion S, García-Briñon J, del Cañizo MC. Eur Spine J. 2011 Aug;20 Suppl 3:353-60. Epub 2011 Jul 16. PMID: 21779858 [PubMed - in process]

  • Synthetic and structural studies of monocyclopentadienyl cyclometalated aryl tantalum(V) compounds. Galajov M, Galindo A, García C, Gómez M, Gómez-Sal P, Parra A. Dalton Trans. 2011 Sep 7;40(33):8399-406. Epub 2011 Jul 22. PMID: 21779602 [PubMed - in process]

  • Designing catalysts for nitrene transfer using early transition metals and redox-active ligands. Heyduk AF, Zarkesh RA, Nguyen AI. Inorg Chem. 2011 Oct 17;50(20):9849-63. Epub 2011 Jul 20. PMID: 21774482 [PubMed - in process]

  • A randomised study of peri-prosthetic bone density after cemented versus trabecular fixation of a polyethylene acetabular component. Periasamy K, Watson WS, Mohammed A, Murray H, Walker B, Patil S, Meek RM. J Bone Joint Surg Br. 2011 Aug;93(8):1033-44. PMID: 21768625 [PubMed - indexed for MEDLINE]

  • Bis(?-2-tert-butyl-phenyl-imido-1:2?N:N)chlorido-2?Cl-(diethyl ether-1?O)(2?-penta-methyl-cyclo-penta-dien-yl)lithiumtantalum(V). Cole JM, Chan MC, Gibson VC, Howard JA. Acta Crystallogr Sect E Struct Rep Online. 2011 Jun 1;67(Pt 6):m688-9. Epub 2011 May 7. PMID: 21754594 [PubMed]