Unless otherwise noted, the contents of the fda website. Often, within a week it has even disappeared from the tissues in which it was detected. T1 sidefiring germanium oxide optical fibers for use with erbium. Germanium monoxide, geo, a stable but not well characterised compound containing germaniumii this set index page lists chemical compounds. Germanium iv oxide the optical dispersion properties of germanium dioxide make it useful as an optical material for wideangle lenses and in optical microscope objective lenses. It is fairly equally distributed between plasma and red blood cells but is not bound to plasma proteins.
The molecular structure of geobu t 4 was established unambiguously by single crystal xray analysis. We can offer many items in bulk or custom packaging. Structure, properties, spectra, suppliers and links for. Germanium oxide article about germanium oxide by the. On the other hand, the chemical formula of germanium oxide aerogel was geo 1.
It also forms as a passivation layer on pure germanium in contact with atmospheric oxygen. Source from shanghai xinglu chemical technology co. Monolithic germanium oxide aerogel with the building block of nanocrystals. Its other names are germanic acid, g15, and acc10380. We operate in more than 30 countries and deliver an extensive portfolio of mission critical products, services and solutions. Germanium oxide powder could be delivered by courier, air or by sea. Webelements periodic table germanium germanium dioxide. As our channel brand, vwr offers an integrated, seamless purchasing experience that is optimized for the way our customers do. It is used as a feedstock for production of some phosphors and semiconductor materials. It is not intended, and shall not be construed, to warrant or guarantee the performance. Atomic layer deposition of germanium or germanium oxide download pdf info. All pricing is subject to confirmation at the time the order is placed.
Germanium oxide, also called germanium dioxide or germania, is used as a catalyst in production of polyethylene terephthalate resin, and for production of other germanium compounds. Cas 10538, ec number 2151808, chemical formula geo. Sidefiring germanium oxide optical fibers for use with. Given the chemical formulas mgo, al2o3, and sio2, predict the formula for germanium oxide, ge.
Germanium dioxide is particulary interesting to study be. These profiles also indicate the absence of ge hf diffusion in the hfo2 layer geon interlayer and ge substrate, respectively. Germanium in various forms is absorbed from the gastrointestinal tract and excreted in the urine 68% and the feces 9. Zinc germinate, zn 2 geo 4, was the first germanium based material to receive attention as a possible water splitting photocatalyst 149. Given the chemical formulas mgo, al2o3, and sio2, predict. Germanium may be transported in the blood, unbound to protein, since it leaves the bloodstream in a few hours. June 12, 2015 germanium dioxide page 2 of 5 form at very high temperatures. Germanium oxide, germanium oxide supplier, germanium oxide distributor, cas 10538, germanium oxide manufacturer, germanium oxide wholesale.
Germanium oxide free download as powerpoint presentation. List of chemical compound and their formula for ssc, engineering, aipmt, cpmt, mbbs, iit, cbse class 11th, 12th, bsc, msc etc. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from fda. Contact with hydrochloric acid will emit volatile germanium tetrachloride, which is corrosive and irritating.
Optical properties of germanium dioxide in the rutile structure. This paper describes the simple construction and characterization of a sidefiring germanium oxide fiber for potential use with the er. Transportation,storage high purity germanium dioxide should be transported and stored in a dry and noncorrosive environment. June 12, 2015 germanium dioxide page 4 of 5 inhalation. The molecule is a discrete monomer and comprises of distorted tetrahedral germanium atom with. Inhalation or ingestion of germanium dioxide dust may cause localized irritation. The chart below shows the calculated isotope pattern for the formula geo with the most intense ion set to 100%. For 1100kg, we recommend to ship it by courier,which is much faster and more convenient. The coordination around germanium is defined by four tertiary butoxide ligands.
It is widely distributed in body tissue and not selectively retained by any single tissue. The chart below shows the calculated isotope pattern for the formula geo. Symptoms may include coughing, sneezing andor shortness of breath. Hydrogen reduction of germanium dioxide was studied by means of a thermobalance in pure hydrogen, a mixture of. Us20170069490a1 atomic layer deposition of germanium or. Formation and stability of germanium oxide induced by. This webelements periodic table page contains germanium oxide for the element germanium. The present study indicates that chronic germanium dioxide intake causes progressive renal dysfunction characterized by the degeneration of distal tubules. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight in atomic mass units of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all. High purity germanium oxide with competitive price, view. Monolithic germanium oxide aerogel with the building block of. Germanium dioxide, geo 2, the best known and most commonly encountered oxide of germanium containing germanium iv germanium monoxide, geo, a stable but not well characterised compound containing germanium ii. At what position does the conduction band of germanium oxide geo exist.
Germanium oxide specification the dioxogermane, with the cas registry number 10538, is a kind of white powder. Germanium iv oxide msds material safety data sheet or sds, coa and coq, dossiers, brochures and other available documents. Germanium dioxide is a white powdery substance,it has three forms it can or a polygon its melting point is 1115at 1250. This product data sheet is provided for general information only. Molecular weight of germaniumii oxide convert units. More information on molar mass and molecular weight. Webelements periodic table germanium germanium oxide. Germanium oxide buy germanium oxide,10538,geo2 product. Certain materials may be made available for download from the echa website such as lists, search results, committee opinions, echa. References the data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following. This is a presentation of completely new work on germanium oxide. A few cases of kidney damage, liver damage, anemia, peripheral neuropathy and even death have been reported in individuals who have taken large doses of germanium products as food.
Pdf optical properties of germanium dioxide in the rutile structure. Germanium dioxide, also called germanium oxide, germania, and salt of germanium, is an inorganic compound with the chemical formula ge o 2. Selected bond lengths and angles are collected in table 2. Download any file posted by another user of a community feature that you know, or reasonably should know, cannot be legally distributed in such manner or that you have a contractual obligation to keep confidential notwithstanding its availability on the web site.
There are two way to get the answer to this question. Formation and stability of germanium oxide induced by atomic oxygen exposure article in materials science in semiconductor processing 94. Germaniumiv oxide cas 10538 112177 merck millipore. It forms as a passivation layer on pure germanium in contact with atmospheric oxygen. Our team of scientists has experience in all areas of research including life science, material science, chemical synthesis, chromatography, analytical and many others. Germanium oxide germanium dioxide 5n, find complete details about germanium oxide germanium dioxide 5n,germanium oxide powder,geo2 powder,germanium oxide from oxide supplier or manufacturerchangsha santech materials co. Germanium oxide can be prepared in both crystalline and amorphous forms.
Germanium dioxide, geo 2, the best known and most commonly encountered oxide of germanium containing germaniumiv. At what position does the conduction band of germanium. In the rats given carboxyethylgermanium sesquioxide, these changes were not observed and germanium concn of kidney was significantly lower than in the rats given germanium dioxide. Monolithic germanium oxide aerogel with the building block. This kind of chemical is insoluble in water and muriatic acid while soluble in ethylene glycol. The molecule is a discrete monomer and comprises of distorted tetrahedral germanium atom with ogeo angles varying between 106. In order to process your orders without delay, we request that you provide the required business documentation to purchase this product. This webelements periodic table page contains germanium dioxide for the element germanium. Synonyms germanium iv oxide, geo 2 cas number 10538 ec number 2151808 rtecs number ly5240000 purity 99. Cas 10538, ec number 2151808, chemical formula geo find msds or sds, a coa, data sheets and more information. A process of depositing germanium on a substrate includes sequentially exposing in at least one deposition cycle the substrate inside a chamber with a gecontaining precursor and a reducing or oxidizing precursor.
List of germanium compounds, common compounds of germanium ge, formula, molecular weight. Germanium ge metal have a work function of around 4. American elements specializes in producing spray dry and nonspray dry high purity germanium oxide powder with the smallest possible average grain sizes for use in preparation of pressed and bonded sputtering targets and in chemical vapor deposition cvd and physical vapor deposition pvd processes including thermal and electron beam ebeam. Germanium oxide, geo 2, is inactive for solar hydrogen production due to its solubility in aqueous solutions. The chart below shows the calculated isotope pattern for the formula geo 2 with the most intense ion set to 100%.
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