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Gallium

Gallium (Ga) chemical element metal of main Group 13 (IIIa or boron group) of the periodic table It liquefies just above room temperature Gallium was discovered (1875) by French chemist Paul-mile Lecoq de Boisbaudran who observed its principal spectral lines while examining materialGet price

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Germanium Metallicum

Further comments Like in the case of the young the two authors of the article I refer to conclude from the cases presented in their article and the cases they found in Homeopathic Links that Germanium-met often acts as an intermediate remedy that helps the patient through certain stage without being capable of serving as a long term Get price

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indium gallium contain

Properties of Gallium | Indium Corporation Gallium is most commonly used in the semiconductor industry Various gallium-based semiconductors are used in high-end integrated circuits (ICs) lasers solar cells and LEDs As in silicon technology the substrates that contain gallium are single crystals sliced into wafers Get price

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Germanium

The chief ore of germanium is germanite which contains copper sulfur about 7% germanium and 20 other elements Germanium is produced as a byproduct of the refining of other metals there is considerable recovery from flue dusts and from ashes of certain coals with high germanium content Get price

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How many neutrons protons and electrons are in the

28-11-2008Ge has an atomic number of 32 which means that every germanium atom in the known universe has 32 protons and 32 electrons in the neutral atom But as far as the neutrons go you will need to specify which isotope of Ge you are talking about There are four stable isotopes of germanium with mass numbers of 70 72 73 and 74 Get price

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Gallium The mineralogy of Gallium

30-9-2019The first data column contains the total number of minerals listed with Gallium and the element listed for that row The second data column lists this number as a percentage of all minerals listed with Gallium The final data column compares this percentage against the percentage of all minerals that contain the element listed in each row Get price

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Germanium

Germanium metal (isolated germanium) is used as semiconductor in transistors and various other electronic devices Historically the first decade of semiconductor electronics were entirely based on germanium although its production for such use today is a small fraction (2%) of that of ultra-high purity silicon which has largely replaced it Get price

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GERMANIUM

GERMANIUM- AND GALLIUM-RICH NICKEL PHOSPHIDE "Ni 3P" NANOPRECIPITATES FROM THE ODESSA (IAB-MG) IRON METEORITE Laurence A J Garvie1 2 1Center for Meteorite Studies 2School of Earth and Space Exploration Arizona State University 781 East Terrace Rd Tempe AZ 85287-6004 (lgarvieasu edu) Introduction Measurements of Ge and Ga in ironGet price

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germanium gallium contain

Gallium mine Washington County Utah ironrich minerals that contain most of the germanium and gallium Germanium is concentrated chiefly in Get Price Gallium compounds and alloys manufactured by Indium Indium Corporation is the leading manufacturer and supplier of gallium Get price

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gallium germanium processes

gallium recovery processes that had been developed based on Clarksville gallium/germanium residue1 2 The gallium recovery processes used the following methods An acid leach circuit to dissolve the gallium and germanium Conversion the leached iron from ferric to ferrous Recovery of the gallium with a solvent extraction approach Get price

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Germanium

Germanium is a chemical element with the symbol Ge and atomic number 32 It is a lustrous hard-brittle grayish-white metalloid in the carbon group chemically similar to its group neighbours silicon and tin Pure germanium is a semiconductor with an appearance similar to elemental silicon Like siGet price

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Germanium Gallium Contain

germanium gallium contain 10 may 2017 Galliumcontaining pharmaceuticals Possibly the largest amount of pure gallium ever collected in a single spot is the GalliumGermanium Neutrino Telescope used More Gallium compounds and alloys manufactured by Indium Get Price Get price

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Germanium Facts (Atomic Number 32 or Ge)

Uses Germanium is an important semiconductor material It is commonly doped with arsenic or gallium at the level of one part per 1010 for electronics Germanium is also used as an alloying agent a catalyst and as a phosphor for fluorescent lamps The element and its oxide are used in highly sensitive infrared detectors and other optical devices Get price

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Germanium

unit or bulk doses of Gallium-68 (Ga-68) radiopharmaceuticals rather than use the Eckert and Ziegler GalliaPharmTM generator themselves These licensees and applicants will be regulated under Title 10 Code of Federal Regulations (10 CFR) 35 200 and as such authorized users (AU) must meet the requirements in 10 CFR 35 290 1 10 CFR 35 1000 UseGet price

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Pictures stories and facts about the element Germanium

Germanium button Description supplied by the source This germanium button was melted from standard 5N+ pure melt stock in an vacuum arc melter- the germanium and surrounding crucible were heated much more than was necessary to melt the small blob so that the rate of heat loss was slower and greater crystalline structure had time to develop Get price

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Gallium

Gallium-68's preparation as a pharmaceutical is chemical and the radionuclide is extracted by elution from germanium-68 a synthetic radioisotope of germanium in gallium-68 generators Other uses Magnesium gallate containing impurities (such as Mn 2+) is beginning to be used in ultraviolet-activated phosphor powder Neutrino detection Get price

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Germanium

Germanium is a chemical element with symbol Ge and atomic number 32 It is a lustrous hard grayish-white metalloid in the carbon group chemically similar to its group neighbors tin and silicon Pure germanium is a semiconductor with an appearance similar to elemental silicon Like silicon Get price

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Germanium Facts

13-10-2019Germanium (Ge) is a gray-white element known as a semi-metal It has an atomic number of thirty-two and has a high luster at room temperature Germanium is another element that was predicted by Mendeleev in 1871 His predictions for what would be the atomic number weight and properties were veryGet price

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Gallium Het element

Gallium is een bijproduct van de productie van aluminium zink en germanium Meeste gallium wordt gehaald uit de aluminiumhydroxide oplossing tijdens het Bayer-proces bij het produceren van aluminium Zuiverheid van 99 9999% wordt bereikt met Czochralski proces en het metaal is Get price

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gallium germanium iron

Germanium Gallium Ore Leaching with Sulfuric Acid For optimum gallium and germanium extraction a two-stage counter-current leach system was devised to adequately control the solution acidity At operating conditions of 1 000 kg H2SO4/mt ore 20 % solids and 90 C 96% of the gallium and 85% of the germanium in the ore were extracted Get price

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WO/1991/003424 BIOMINING OF GALLIUM AND

A high temperature process for leaching selected metal compounds such as gallium or germanium from ores containing those selected metal compounds is disclosed The method generally includes contacting metal-containing ores with an admixture of nutrient medium and bacteria capable of leaching selected metal compounds contained in the ore Get price

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Germanium — Wikipdia

Le germanium possde 32 isotopes connus de nombre de masse variant de 58 89 ainsi que 13 isomres nuclaires Cinq de ces isotopes sont prsents dans la nature 70 Ge 72 Ge 73 Ge 74 Ge et 76 Ge ce dernier tant trs lgrement radioactif se dsintgrant par double dsintgration bta en slnium 76 avec une demi-vie de 1 Get price

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germanium gallium contain

Although some metallic compounds that contain gallium indium selenium and tellurium can be substituted for germanium Get Price Recovery and separation of gallium(III) and germanium Gallium and germanium are critical metals that do not occur as QH LiSulfuric leaching process of zinc powder replacement residue containing gallium and Get price

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Periodensystem Germanium

Da Germanium oder seine Verbindungen relativ selten mit dem Menschen in Kontakt kommen ist ber ihre toxikologische Wirkung nur wenig bekannt Vermutlich ist sie beim metallischen Germanium als gering einzustufen toxische Germaniumverbindungen sind dagegen bekannt Get price

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Gallium

Gallium trichloride is a common starting reagent for the formation of organogallium compounds such as in carbogallation reactions Gallium trichloride reacts with lithium cyclopentadienide in diethyl ether to form the trigonal planar gallium cyclopentadienyl complex GaCp 3 Gallium(I) forms complexes with arene ligands such as hexamethylbenzene Get price

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The abundances of gallium and germanium in terrestrial

The average concentration of germanium in magmatic sulphides is less than 1 p p m Sea water has been found to contain 0 06 0 01 μg Ge/kg (0 82 0 13 μg- atom/ ton) Gallium has been determined in sea water and in over 280 minerals rocks and sediments using a sensitive and specific spectrophotometric method Get price

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Germanium Gallium Ore Leaching with Sulfuric Acid

Table of ContentsMaterial and EquipmentGermanium ExtractionAvoiding Germanium PrecipitationTwo-Stage Counter-Current LeachingIncreasing Germanium Extraction A sulfuric acid leach technique for extracting gallium and germanium from Apex ore without the use of a reducing agent such as SO2 was investigated Leaching studies showed that with Get price

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germanium gallium contain

germanium gallium contain 10 may 2017 Galliumcontaining pharmaceuticals Possibly the largest amount of pure gallium ever collected in a single spot is the GalliumGermanium Neutrino Telescope used More Gallium compounds and alloys manufactured by Indium Get Price Get price

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AAPG Datapages/Archives Geology and Mineralogy of

Most of the copper-rich ore was removed during previous mining operations leaving behind the iron-rich minerals that contain most of the germanium and gallium Germanium is concentrated chiefly in goethite (as much as 0 5 percent) hematite (as much as 0 7 percent) and limonite (as much as 0 5 percent) while gallium is concentrated mostly in Get price

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Germanium 2019 World Market Review and Forecast to

germanium application instead of compounds containing cadmium-indium-gallium-selenium germanium possible use in the production of nanowires Germanium Market Review is a source for detailed information on the market situation The report contains descriptive and analytical parts enriched with tables and figures for national and global markets Get price

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Gallium Chemical Element

Gallium is a liquid at 30C so one would expect it to become a solid at 29 7C Instead it is fairly easy to cool gallium to below 29 7C without having it solidify Gallium's boiling point is about 2 400C (4 400F) and its density is 5 9037 grams per cubic centimeter Get price

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The distribution of gallium germanium cobalt chromium

Abstract The concentrations of gallium germanium cobalt chromium and copper have been determined spectrographically in eighty-eight iron meteorites including representatives from all structural classes and in nine stony-iron meteorites The analytical procedures and the structural characteristics of the meteorites studied are described Get price

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