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argon

Argon Informationen, einschließlich Technische Daten, Safety Data und seine Eigenschaften, Forschung, Anwendungen und andere nützliche Fakten sind erörtert werden. Wissenschaftliche Fakten, wie die atomare Struktur, Ionisierungenergie, Fülle auf der Erde, Leitfähigkeit und thermischen Eigenschaften sind im Preis inbegriffen.

 

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Argon ist ein Block P, Gruppe 18, Periode 3 Element. Die elektronische Konfiguration [Ne] 3s2 3p6. In seiner elementaren Form Argon's CAS-Nummer ist 7440-37-1. Die Argon Atom hat einen Radius von 188.pm und es ist, Van der Waals Radius ist 188.pm.

Argon wurde von Lord Raleigh und Sir William Ramsay im Jahre 1894.

 






 

French Argon German Argon Italian Argo Portuguese Argônio Spanish argón Swedish Argon

Argon Abundance. The following table shows the abundance of argon and each of its naturally occurring isotopes on Earth along with the atomic mass for each isotope.

Isotope
Atomic Mass
% Abundance on Earth
Ar-36
35.9675463
0.34
Ar-37
36.9667759
-
Ar-38
37.9627322
0.06
Ar-39
38.964313
-
Ar-40
39.962383123
99.60

Argon Safety Data. The safety data for argon metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin.

Ionisation Energie. Die Ionisierungenergie für argon (die am wenigsten Energie benötigt, um ein einzelnes Elektron aus dem Atom in seinem Grundzustand in der Gasphase) ist in der folgenden Tabelle dargestellt:

1st Ionization Energy
1520.58 kJ mol-1
2nd Ionization Energy
2665.88 kJ mol-1
3rd Ionization Energy
3930.84 kJ mol-1

Conductivity. As to argon's electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @ 20 ºC is - µOcm and its electronegativities (or its ability to draw electrons relative to other elements) is -. The thermal conductivity of argon is 0.0179 W m-1 K-1.

Thermal Properties of Argon. The melting point and boiling point for argon are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.

Heat of Fusion
1.21 kJ mol-1
Heat of Vaporization
6.53 kJ mol-1
Heat of Atomization
0 kJ mol-1



 
Formula Atomic Number Molecular Weight Electronegativity (Pauling) Density Melting Point
Boiling Point
Vanderwaals radius
Ionic radius Energy of first ionization
Ar 18 39.948 g.mol -1   0.08988 g.cm-3 -189.34  °C -185.89 °C .154 nm 188 pm 1520.58 kJ.mol-1

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Recent Research & Development for Argon



  • Mean intraocular pressure and progression based on corneal thickness in patients with ocular hypertension. Eye. 2007 Oct 5; [Epub ahead of print]

  • Interaction of Tertiary Phosphines with Lignin-Type, alpha,beta-Unsaturated Aldehydes in Water. Inorg Chem. 2007 Oct 3; [Epub ahead of print]

  • Theoretical and Experimental Studies of Enflurane. Infrared Spectra in Solution, in Low-Temperature Argon Matrix and Blue Shifts Resulting from Dimerization. J Phys Chem B. 2007 Oct 3; [Epub ahead of print]

  • Earlier Eradication of Intra-Anal Warts with Argon Plasma Coagulator Combined with Imiquimod Cream Compared with Argon Plasma Coagulator Alone: A Prospective, Randomized Trial. Dis Colon Rectum. 2007 Oct 4; [Epub ahead of print]

  • [What should we think? Is selective trabeculoplasty more effective than conventional argon laser trabeculoplasty?] J Fr Ophtalmol. 2007 May;30(5 Pt 2):3S74-8. French.

  • Tattoo removal - state of the art. J Dtsch Dermatol Ges. 2007 Oct;5(10):889-897.

  • Steroidal and nonsteroidal antiinflammatory medications can improve photoreceptor survival after laser retinal photocoagulation. Ophthalmology. 2007 Oct;114(10):1876-83.

  • Korean experience with double balloon endoscopy: Korean Association for the Study of Intestinal Diseases multi-center study. Gastrointest Endosc. 2007 Sep;66(3 Suppl):S22-5.

  • Determination of Rh, Pd and Pt in urine samples using a pre-concentration sequential injection analysis system coupled to a quadrupole-inductively coupled plasma-mass spectrometer. Anal Chim Acta. 2007 Sep 26;600(1-2):226-32. Epub 2007 Mar 4.

  • Compact Ultrafast Orthogonal Acceleration Time-of-Flight Mass Spectrometer for On-Line Gas Analysis by Electron Impact Ionization and Soft Single Photon Ionization Using an Electron Beam Pumped Rare Gas Excimer Lamp as VUV-Light Source. Anal Chem. 2007 Sep 27; [Epub ahead of print]

  • Double Plasma Treatment-Induced Graft Polymerization of Carbohydrated Monomers on Poly(ethylene terephthalate) Fibers.
    Langmuir. 2007 Aug 21; [Epub ahead of print] [PubMed - as supplied by publisher]

  • Endoscopic therapy for malignant bowel obstruction.
    J Support Oncol. 2007 Jul-Aug;5(7):303-10, 319. [PubMed - in process]

  • Characterization of hair lipid images by argon sputter etching-scanning electron microscopy.
    Lipids. 2006 Feb;41(2):197-205. [PubMed - in process]

  • Influence of thermostats and carrier gas on simulations of nucleation.
    J Chem Phys. 2007 Aug 14;127(6):064501. [PubMed - in process]

  • Experimental and theoretical study of the pyrrole cluster photochemistry: Closing the pisigma(*) dissociation pathway by complexation.
    J Chem Phys. 2007 Aug 14;127(6):064307. [PubMed - in process]

  • Microwave-Assisted Coating of PMMA Beads by Silver Nanoparticles.
    Langmuir. 2007 Aug 18; [Epub ahead of print] [PubMed - as supplied by publisher]

  • Population measurement of the 3p(5)4s configuration levels in an argon microwave plasma at atmospheric pressure.
    Appl Spectrosc. 2007 Jul;61(7):725-33. [PubMed - in process]

  • Laser-Induced Fluorescence at 488 nm Excitation for Detecting Benign and Malignant Lesions in Stomach Mucosa.
    J Fluoresc. 2007 Aug 17; [Epub ahead of print] [PubMed - as supplied by publisher]

  • Controlled atmosphere stunning of broiler chickens. I. Effects on behaviour, physiology and meat quality in a pilot scale system at a processing plant.
    Br Poult Sci. 2007 Aug;48(4):406-23. [PubMed - in process]

  • Sub-10-fs supercontinuum radiation generated by filamentation of few-cycle 800 nm pulses in argon.
    Opt Lett. 2007 Aug 15;32(16):2432-2434. [PubMed - as supplied by publisher]

  • Accurate quantum-chemical calculations using Gaussian-type geminal and Gaussian-type orbital basis sets: applications to atoms and diatomics.
    Phys Chem Chem Phys. 2007 Jun 28;9(24):3112-26. Epub 2007 May 29. [PubMed]

 

 

 

 

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