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sulfate

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Published: 01 January 2000
Fig. 7 Severely pitted aluminum heat exchanger tube. Pits were caused by sulfate-reducing bacteria beneath a slime layer. The edge of the slime layer is just visible as a ragged border between the light-colored aluminum and the darker, uncoated metal below. Source: Nalco Chemical Company More
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Published: 01 January 2000
Fig. 8 A copper/copper sulfate reference electrode More
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Published: 01 December 2015
Fig. 9 Copper-saturated copper sulfate reference electrode More
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Published: 01 July 2009
Fig. 7.3 Solvent extraction of beryllium from sulfate solutions at the Delta plant in Utah by Brush Resources, Inc. HDEHP, di-(2-ethylhexyl) phosphoric acid More
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Published: 01 November 2012
Fig. 25 Relative reductions in rupture life due to sulfate/chloride salt at 705 °C (1300 °F) for several superalloys. For RT-22-coated Udimet 710, rupture time in salt for coated alloy divided by time in air for uncoated alloy. Source: Ref 11 More
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Published: 01 December 1989
Fig. 9.23. Relative reductions in rupture life due to exposure to sulfate/chloride salt at 705 °C (1300 °F) for several materials ( Ref 42 ). More
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Published: 01 December 1989
Fig. 9.25. Effect of sulfate/chloride environment on the fatigue life of Udimet 720 at 730 °C (1350 °F) ( Ref 47 ). The strain range has been normalized with respect to the strain range in air at 850 °C (1560 °F). More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... Abstract This chapter describes some of the chemical processes that have been developed to extract beryllium from different types of ore. It covers the Kjellgren-Sawyer sulfate method, the Degussa method, Copaux-Kawecki fluoride extraction, solvent extraction, and leaching and settling. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
..., beryllium oxide, beryllium oxide carboxylates, beryllium perchlorate, beryllium phosphates, beryllium sulfate, and beryllium sulfide. beryllium compounds BERYLLIUM forms a wide range of inorganic and organic compounds. Some of the most important families of compounds and their synthesis...
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Published: 01 December 2015
Fig. 3 The sulfur cycle showing the role of bacteria in oxidizing elemental sulfur to sulfate ( SO 4 2 − ) and in reducing sulfate to sulfide (S 2– ). Source: Ref 12 More
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Published: 01 January 2017
Fig. 7.4 Potential pH diagram for a system of copper and a water solution with 1.0 g·mol/L of ammonia partly as ammonium sulfate and 0.05 g·atom/L of dissolved copper added as sulfate at 25 °C (77 °F). Numbers refer to equations from Ref 7.9 . The shaded zone marks solution properties More
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Published: 01 December 2015
Fig. 2 Corrosion rate as a function of aging time and temperature for alloy C-22 (UNS N06022). (a) Aged wrought alloy in boiling sulfuric acid/ferric sulfate (ASTM G28 Method A). (b) Gas tungsten arc welded (GTAW) alloy in boiling sulfuric acid/ferric sulfate (ASTM G28 Method A). (c) Aged More
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Published: 01 December 2006
Fig. 13 Corrosion rate as a function of aging time and temperature for alloy C-22 (UNS N06022). (a) Aged wrought alloy in boiling sulfuric acid/ferric sulfate (ASTM G 28 Method A). (b) Gas tungsten arc welded (GTAW) alloy in boiling sulfuric acid/ferric sulfate (ASTM G 28 Method A). (c) Aged More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... was detected in an austenitic stainless steel in a copper sulfate-sulfuric acid (CuSO 4 -H 2 SO 4 ) pickling tank ( Ref 11 ). Another simulated-service test for alloys intended for service in nitric acid (HNO 3 ) plants is described in Ref 12 . In this case, for accelerated results, iron-chromium alloys were...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850541
EISBN: 978-1-62708-260-0
.../asm.tb.mpp.t67850541 Copyright © 1999 ASM International® All rights reserved. www.asminternational.org APPENDIX E ELECTROMECHANICAL POLISHING PROCEDURES Material Iron Iron-carbon alloys Iron Iron-carbon alloys Low-iron alloys Cast irons (gray, white, or nodular) Electrolyte 20 g ammonium sulfate 100 cm3 alumina, cone...
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Published: 01 December 2015
Fig. 11 Schematic of the anaerobic corrosion of iron and steel showing the action of sulfate-reducing bacteria (SRB) in removing hydrogen from the surface to form FeS and H 2 S More
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Published: 01 January 2017
Fig. 5.24 Effect of chromium content on SCC CGR in boiling water reactor (BWR) environment at 288 °C (550 °F) with 2 ppm O 2 and 30 ppb sulfate. Source: Ref 5.102 More
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Published: 01 January 2017
Fig. 7.3 Time to cracking as a function of the pH for brass in ammoniacal copper sulfate solutions (Mattsson’s solutions). Note that the specimen tested at pH of 2 did not fail in 1000 h of testing. After Ref 7.9 More
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Published: 01 December 2015
Fig. 9 Variations through the thickness of a bacterial film. Aerobic organisms near the outer surface of the film consume oxygen and create a suitable habitat for the sulfate-reducing bacteria (SRB) at the metal surface. Source: Ref 17 More
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Published: 01 July 2009
Fig. 25.9 Beryllium polarization curves as a function of pH, showing that the metal is passive over an extensive potential range in the absence of an aggressive species such as the Cl – ion. MMSE, mercury/mercurous sulfate electrode. Source: Hill et al. 1996 More