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beryl

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230019
EISBN: 978-1-62708-298-3
...Abstract Abstract Beryllium is the 44th most abundant element on Earth, with an estimated concentration of six parts per million in the Earth’s crust. It is found in various forms in more than 100 minerals, two of which, beryl and bertrandite, account for most of the beryllium produced...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
.... It also provides information on electrolytic extraction and the use of electrorefining. beryllium copaux-kawecki fluoride extraction degussa extraction electrolytic extraction electrorefining kjellgren-sawyer sulfate extraction solvent extraction 7.1 Extraction from Beryl 7.2 Kjellgren...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230065
EISBN: 978-1-62708-298-3
...Abstract Abstract This chapter describes some of the processes used to concentrate beryllium-rich minerals from ores. It discusses the flotation of bertrandite and phenacite from calcite, mica, fluorspar, and quartz-containing ores, the flotation of beryl from pegmatitic gangues and low-grade...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.9781627082983
EISBN: 978-1-62708-298-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230007
EISBN: 978-1-62708-298-3
..., Atomic Energy of Canada, Ltd . • Rebholz M.J. , and Wolff G.E. , 1964 . “ Beryllium Design and Development Summary Report ,” Report A701583, Lockheed Missile and Space Co. , Sunnyvale, CA In its purest form, beryl was known and treasured in ancient times as a precious stone...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230107
EISBN: 978-1-62708-298-3
.... , Bisby H. , and Hale F.H. , 1959 . Electronic Instruments for Detecting and Assaying Beryllium Ores , Trans. Inst. Min. Metall. , Vol 69 , p 345 Brewer P.J. , 1952 . Determination of Be in Beryl by Means of EDTA , Analyst , Vol 77 , p 539 Brooks R.O.R. , 1958a...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230093
EISBN: 978-1-62708-298-3
... The metal is also dissolved in an aqueous solution of sodium or potassium hydroxide, with the generation of hydrogen and the formation of a beryllate: (Eq 8.2) 2  NaOH + Be = Na 2 BeO 2 + H 2 The concentration of the alkaline hydroxide solution determines whether...
Book Chapter

By Kenneth A. Walsh
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230001
EISBN: 978-1-62708-298-3
... High strength and nonsparking characteristics Source: Lide 1998 Its low density, high reactivity, and high melting point along with its occurrence in the form of a very stable beryl ore, which contains approximately 5% Be, make its extraction difficult. The electrowinning of beryllium from...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230523
EISBN: 978-1-62708-298-3
... Ltd. , London , p 743 Bayliss R.K. , and Derry R. , 1963 . “ Further Studies of the Breakdown of Beryl and Beryl Concentrates by Fusion Methods ,” National Chemical Laboratory Beat T.G. , 2005 . Lawrence Livermore National Laboratory , Livermore, CA , private...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
..., gelatinous beryllium hydroxide is produced. Aging this amorphous product results in a metastable tetragonal crystalline form, which, after months of standing undisturbed, transforms into a stable orthorhombic crystalline form. The orthorhombic phase is also precipitated from a sodium beryllate solution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230459
EISBN: 978-1-62708-298-3
... of hydrogen, dissolving as beryllium ions Be 2+ ; in the presence of strongly alkaline solutions, it dissolves once again, with the evolution of hydrogen, and gives rise to diberyllate ions Be 2 O 3 2– and beryllate ions BeO 2 2– . Figure 25.1 shows stability lines (9′, 6, and 10′) plotted for ionic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.9781627083003
EISBN: 978-1-62708-300-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6