3 edition of Spectrochemical Determination of Beryllium in Mineral Beneficiation Products. found in the catalog.
Spectrochemical Determination of Beryllium in Mineral Beneficiation Products.
United States. Bureau of Mines.
|Series||Report of investigations (United States. Bureau of Mines) -- 6132|
|Contributions||Peterson, M., Zink, J.|
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SPECTROCHEMICAL DETERMINATION OF BERYLLIUM IN MINERAL BENEFICIATION PRODUCTS by M. Peterson 1 and J. Zink 2 ABSTRACT Spectrochemical methods were developed to determine beryllium in the con centration range to percent in siliceous mineral beneficiation products.
Two methods are described. Method for the Spectrochemical Determination of Beryllium, Cadmium, Zinc, and Indium in Ore Samples,USBM, Report of Investigations, RI [Marks, Spectrochemical Determination of Beryllium in Mineral Beneficiation Products.
book. and Author: B. Marks, G. and Jones. Spectrochemical determination of beryllium in mineral beneficiation products (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Spectrochemical Determination of Beryllium in Mineral Beneficiation Products.
book / Contributors: Maurice Jarvis Peterson; J B Zink; United States. Bureau of Mines. Spectrochemical methods were developed to determine beryllium in the concentration range to percent in siliceous mineral beneficiation products.
Two methods are described. They are (1) a fusion-pellet-spark procedure (spark method) and (2) a sustaining alternating-current arc procedure.
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book the following location(s): (external link) http Author: Maurice Jarvis. Peterson and J. Zink. Summary. A separation-preconcentration procedure for the determination of Be traces in mineral waters is described. The precision and the accuracy of the procedure were checked by the use of artificial as well as of real samples by AAS-ETA and by: The amount of beryllium is determined by comparing the density of Be to Fe In addition, the method of Cholak and Hubbard for the determination of beryllium.
Description: Mineral Beneficiation or ore dressing of run-of-mine ore is an upgrading process to achieve uniform quality, size and maximum tenor ore through the removal of less valuable material. Beneficiation benefits the costs of freight, handling, and extraction (smelting) reduce, and the loss of metal through slag.
beryllium solution - A stock solutL JO of beryllium 'ete is prc.'p8r~"1 from beryllium metal of known assey. grams of beryllium 1e dissolved ip 35 milliliters of sulfuric acid and diluted to milliliterB. One milliliter of this stock sulution Spectrochemical Determination of Beryllium in Mineral Beneficiation Products.
book, equal to 10 milligrams of beryllium oxide. Mineral Analysis of Biological Material by Flame Spectroscopy.
Apparatus and Application. Spectrochemical Determination of Lanthanum in Praseodymium Metal. Analytical Chemistry21 Spectrochemical Determination of Beryllium. Analytical Chemistry20 (10), DOI: /aca A new volumetric method has been proposed for the determination of beryllium in beryls and associated minerals.
The method involves the direct precipitation of beryllium as BeNH 4 PO H 2 O in presence of complexone II, dissolving the precipitate in dilute perchloric acid and titrating the liberated phosphate with standard bismuthyl perchlorate.
Results for samples agree within ± % of Cited by: A chemical-spectrochemical method for the determination of rare earth elements and thorium in cerium minerals.
Spectrochimica Acta6 (2), DOI: /(54)Cited by: A developed, direct, rapid, and sensitive spectrophotometric determination of beryllium in beryl minerals with Chrome Azurol S (CAS) as a chromogenic reagent was developed in the present article.
The determination was performed without either solvent extraction or ion exchange separation of beryllium from its by: 3. A developed, direct, rapid, and sensitive spectrophotometric determination of beryllium in beryl minerals with Chrome Azurol S (CAS) as a chromogenic reagent was developed in the present article.
ri / spectrochemical determination of beryllium in beneficiation products, pb, $ 6 ri / use of a large-diameter auger in mining pitching anthracite, pb, $ 22 ri / determination of stresses around an underground opening, climax molybdenum mine, colorado, pb, $ Although a great number of photometric methods for determining beryllium have been proposed, very few are suitable for determining traces of beryllium in rocks and minerals.
For this analysis the technique used must meet several criteria. The limit of detection should be near ^g (preferably /ig) of beryllium. by: 5. A standard calibrated graph was prepared under the same conditions.
Interfering metal ions present in the sample can be effectively removed by extraction technique. A standard addition method was used in the quantitative determination of trace amounts of beryllium in the human's hair and mineral water.
Results and discussion Cited by: W. Dennen's 16 research works with citations and reads, including: Encyclopedia of Mineral names. Most widespread minerals containing Beryllium; This list of minerals containing Beryllium is built from the locality database.
This is based on the number of localities entered for mineral species and is therefore slanted towards minerals interesting to collectors with less coverage of common rock-forming-minerals so it does not give an undistorted distribution of Beryllium mineral.
Determination of Beryllium by Using X-ray Fluorescence Spectrometry Article in Analytical Chemistry 80(5) April with Reads How we measure 'reads'. AND STORAGE For determination of total recoverable elements in aqueous samples, the samples must be acid preserved prior to aliquoting for either- sample processing or determination by direct spectrochemical analysis For proper preservation samples are not filtered, but acidified with (1+1) nitric acid to pH.
Preservation may be done at. Beryllium in concentrations as little as a few parts per million is determined fluorometrically with morin in low grade ores by a dilution method without separations. A high sensitivity is obtained by the adoption of instrumental and reaction conditions that give a satisfactory ratio of beryllium to blank fluorescence and at the same time minimize iron interference.
Exposure to beryllium can cause a potentially fatal disease, and occupational exposure limits for beryllium in air and on surfaces have been established to reduce exposure risks to potentially affected workers (4, 5).Sampling and analytical methods for beryllium are needed in order to meet the challenges relating to exposure assessment and risk reduction.
The occurrence of significant traces of beryllium in fluorite would appear to be unlikely on crystallographic grounds, yet Sainsbury has reported as much as per cent Be in the mineral from the Lost River area, Alaska.
In the present paper a spectrochemical method and a radiochemical isotope dilution procedure for the determination of beryllium in fluorite are by: 3.
beryllium mineral mined in the United States. Bertrandite ore mined in the United States contains less than weight percent beryllium.
Beryl, which can contain up to 5 weight percent beryllium, is the principal beryllium mineral mined in the rest of the world; beryl ore typically contains from 2 to 4 weight percent Size: KB.
Beryllium ores. See also what's at your library, or elsewhere. Broader term: Ores; Filed under: Beryllium ores Beryllium deposits of the Mount Antero region, Chaffee County, Colorado / (Washington [D.C.]: United States Department of the Interior, Geological Survey, ), by John W.
Adams and Geological Survey (U.S.) (page images at HathiTrust) Non-pegmatitic resources of beryllium in. Beryllium is extracted from the beryllium silicate ore by either sintering or melting into a soluble mixutre. The sintering process uses sodium fluorosilicate and soda at around °C (1, °F) to create sodium fluoroberyllate which is then decomposed to beryllium hydroxide with water.
Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element in the universe, usually occurring as a product of the spallation of larger atomic nuclei that have collided with cosmic rays.
Within the cores of stars, beryllium is depleted as it is fused into heavier ciation: /bəˈrɪliəm/ (bə-RIL-ee-əm). This book chapter discusses the processes relating to mining and physical beneficiation of monazite mineral to generate monazite concentrate from its ore and beach sand resources.
Beryllium is a soft, silvery-white, shiny metal. It is very light and has a high melting point, so it is desirable for use in metal alloys. It is used in alloys with nickel and copper as a light-weight structural material. Beryllium has a very high elasticity, consequently it is often used for gears and springs and other elastic devices.
Immunoassays (ELISA) for Rapid, Quantitative Analysis in the Food-Processing Industry; Initiation and Termination Mode of Enyne Cross-Metathesis and Metallotropic [1,3].
NEW PRODUCTS FOR ANALYSTS. Analytical ChemistrySpectrochemical Determination of Mineral-Element Content of Beef. Mitteldorf; D. Landon; Analytical ChemistryAnalytical Chemistry Pages in category "Beryllium minerals" The following 23 pages are in this category, out of 23 total.
This list may not reflect recent changes (). For example, during mining, beneficiation, and combustion of coal as well as (SF-ICP-MS), which was successfully used for determination of aluminum, beryllium, cadmium, cobalt, chromium trace elements were accurately determined in various samples, which are as diverse as human tissue, food products, and also in Author: Martin Koller, Hosam M.
Saleh. Exposure to beryllium can cause a potentially fatal disease, and occupational exposure limits for beryllium in air and on surfaces have been established to reduce exposure risks to potentially affected workers (2, 3).Measurement of beryllium in matrices such as soil, rock, sediment, and fly ash is important in environmental remediation projects involving beryllium contamination (4) and for.
Spectrochemical methods were developed to determine beryllium in the concentration range to percent in siliceous mineral beneficiation products.
Two methods are described. They are (1) a fusion-pellet-spark procedure (spark method) and (2) a sustaining alternating-current arc.
Analytical determination of the elements occurring in ores by means of the (alpha,n) reaction suffers from the lack of selectivity, as the ores may contain several elements, e.g., Be, B, F, or Li, possessing high cross section tor this reaction.
Ayers claims an accmacy of ± percent beryllium. A method for the determination of beryllium car bide in beryllium metal has also been developed by Brush Beryllium Co., (private communication of Oct.
19, ). This procedure is based upon the fact that beryllium carbide forms methane with hot allmli solution . ASTM-E - Standard Practice for Preparation of Disk Specimens of Steel and Iron by Remelting for Spectrochemical Analysis; ASTM-E - Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Inert Gas Fusion Techniques.
What is Chromite. Chromite is an oxide mineral composed of chromium, iron, and oxygen (FeCr 2 O 4).It is dark gray to black in color with a metallic to submetallic luster and a high specific gravity. It occurs in basic and ultrabasic igneous rocks and in the metamorphic and sedimentary rocks that are produced when chromite-bearing rocks are altered by heat or weathering.
Fluorometric Determination of Pdf in Steels, Bronzes, and Minerals. Industrial & Engineering Chemistry Analytical Edition18 (9), DOI: /ia Robert Spiers, Philip Fischer, and Kenneth L.
Proctor. Spectrochemical Determination of Small Cited by: This test method describes the determination of beryllium in copper-beryllium alloys in percentages from % to % by phosphate gravimetry.
Units— The values stated in SI units are to be regarded as standard.Products and Services / Standards & Publications / Standards Products / Annual Book of Ebook Standards. ASTM VolumeAugust C Standard Specification for Nuclear-Grade Beryllium Oxide Powder. C Standard Test Method for Determination of Uranium in Mineral Acids by X-Ray Fluorescence.