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Alkalies

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Published: 01 August 2013
Fig. 8.3 Commercial glasses contain alkali and alkaline earth ions, which substitute ionic bonds for the covalent bonds between tetrahedra. Source: Ref 8.2 More
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Published: 01 August 1999
Fig. 12.5 (Part 2) (c) Austenitized at 950 °C, cooled slowly at ~100 °C/h. Alkali chromate. 1000×. (d) Austenitized at 950 °C, cooled slowly at ~100 °C/h, austenitized at 950 °C, water quenched, tempered at 175 °C. Bisulfite. 1000×. More
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Published: 01 November 2007
Fig. 12.11 Vapor pressures of some alkali and heavy metal salts as a function of temperatures. Source: Ref 26 More
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Published: 01 November 2007
Fig. 10.83 Metal loss as a function of chromium contents in the alloys generated by various investigators in laboratory coal-ash corrosion tests as well as plant exposure. Source: Ref 73 . Note: ″This work″ by Castello et al. in Lab tests: 10% alkali, 1% SO 2 , 700 °C ( Ref 73 ); Plumley et More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860295
EISBN: 978-1-62708-348-5
... martensitic transformations at very low temperatures are discussed. In particular, the martensitic transformations and their effects in austenitic stainless steels, iron-nickel alloys, practical superconductors, alkali metals, solidified gases, and polymers are discussed. alkali metals alloy systems...
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Published: 01 August 1999
. Alkali chromate. 1000×. (d) Austenitized at 950 °C, cooled slowly at ~100 °C/h, austenitized at 950 °C, water quenched, tempered at 175 °C. Bisulfite. 1000×. More
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Published: 01 December 2003
by titration of residual alkali. Each point is the mean value of three replicate flasks per soil; standard deviations were ±10% of the mean value for each data point. y -axis; summation of milligram carbon evolved over the experimental period More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820115
EISBN: 978-1-62708-339-3
... resistance Oxidation resistance Typical applications S40300 S40300 is resistant to the corrosive action of the atmosphere, fresh water, and various alkalis and mild acids but is not recommended where resistance to severe corrodents is a prime factor. S40300 does not possess the superior corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230019
EISBN: 978-1-62708-298-3
.... The commercial grades of beryl ore generally contain 10 to 12 wt% BeO, 17 to 19 wt% Al 2 O 3 , 64 to 70 wt% SiO 2 , 1 to 2% alkali metal oxides, and 1 to 2 wt% Fe and other oxides. Beryl ore, being widely distributed, has rarely been found in quantities extensive enough to permit mining for its own sake...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... can equal or exceed that of stainless steels and nickel-base alloys. Because of the excellent properties obtainable with these low-cost engineering materials, cast irons find wide application in environments that demand good corrosion resistance, including water, soils, acids, alkalis, saline...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730081
EISBN: 978-1-62708-283-9
... to some of the corner O −2 ions ( Fig. 8.3 ). With these alkali and alkaline earth oxides, not all of the oxygen ions are covalently bonded to two tetrahedra. This lowers the viscosity at high temperatures. Fig. 8.3 Commercial glasses contain alkali and alkaline earth ions, which substitute ionic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430290
EISBN: 978-1-62708-253-2
..., minerals in the coal are exposed to high temperatures, which causes the release of volatile alkali compounds and sulfur oxides. In coal-ash corrosion, the deposition of fly ash occurs on the hot surfaces (with operating temperatures ranging from 540 to 700 °C, or 1005 to 1290 °F) of the superheater...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230107
EISBN: 978-1-62708-298-3
... buffered by means of ammonium acetate. For the highest accuracy, the precipitate is redissolved in dilute hydrochloric acid, reprecipitated, ignited at 1000 °C (1830 °F), and weighed as Be 2 P 2 O 7 . The alkali metal ions in the solution should be kept to a minimum since these contaminate the precipitate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110447
EISBN: 978-1-62708-247-1
... of ToF-SIMS and the additional benefit that the entire surface is measured. Figure 14 ToF SIMS depth profiles of carbon only after 3D reconstruction of the via interface, an area is selected with minimized C background signal Gas Cluster Ion Beam: Depth Profiling of Alkali Metal Ions in Thin...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
... temperatures and high facility costs discourage widespread use of this process. Cleaning salt baths are formulated from a variety of inorganic chemical compounds. Among the more common ingredients are alkali hydroxides, alkali nitrates and nitrites, alkali chlorides, and alkali fluorides. By adjusting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230093
EISBN: 978-1-62708-298-3
... of aqueous alkali is added to a cold beryllium-salt solution. The amorphous material transforms into one of the two crystalline forms on aging, which is accelerated by boiling the slurry. The stable orthorhombic crystalline form and the metastable tetragonal modification are formed directly by precipitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900167
EISBN: 978-1-62708-350-8
... rate, μm/min (c) Transparency Chemical resistance Temperature Pressure Time, min °C °F MPa psi °C °F Bakelite 135–170 275–340 17–29 2500–4200 5–12 140 285 3.0–4.5 × 10 –5 100 2.9 Opaque Attacked (wood-filled) by strong acids and alkalies Diallyl phthalate 140–160...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... lining materials Common name ASTM D 1418 designation Resistance to (a) : Permeability to gases Ozone Oxidation Water Alkalies Aliphatic Aromatic Halogenated Alcohol Acids Butadiene rubber BR P G E F-G P P P G F-G Low Natural rubber, isoprene rubber NR, IR P G E...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430351
EISBN: 978-1-62708-253-2
... the penetration in two locations and the weld pool showed spillage on the ID surface. The improper weld quality forming undercuts and excessive weld projection caused an accumulation of corrodents by the formation of a localized stagnant zone—both at the OD and ID surfaces. The alkali and sulfur ion contaminants...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900201
EISBN: 978-1-62708-350-8
... characteristics. The process salt bath is mainly an alkali cyanate plus an alkali carbonate melted in a steel pot and fitted with an aeration system (as in the original Tufftride process). The cyanate component thermally reacts with the component surface to form alkali carbonate. Either continuously...