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Sodium sulfate

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080321
EISBN: 978-1-62708-304-1
... sulfate (Na 2 SO 4 ) ( Ref 3 ). Significant amounts of vanadium, sodium, and sulfur were observed in the deposits collected from superheater/reheater tubes, or from the uncooled tube hangers for the superheater/reheater tubes in boilers. The analysis of the deposits collected from corrosion probes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120307
EISBN: 978-1-62708-269-3
... (151–199) 0.030 Sodium nitrate Saturated Room Nil Sodium perchlorate 900 g/L 50 (122) 0.003 Sodium phosphate Saturated Room Nil Sodium silicate 25 Boiling Nil Sodium sulfate 10–20 Boiling Nil Saturated Room Nil Sodium sulfide 10 Boiling 0.027 Saturated Room...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080249
EISBN: 978-1-62708-304-1
.... cobalt-base alloys corrosion resistance gas turbines hot corrosion nickel alloys 9.1 Introduction During combustion in the gas turbine, sulfur from the fuel reacts with sodium chloride from ingested air at elevated temperatures to form sodium sulfate. The sodium sulfate then deposits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... included among the rejected candidates are potassium acid sulfate, potassium acid fluoride, sodium, carbonate, and others. The search for less expensive sources of alkali led to the lime fusion process of Bayliss and Derry [1963] . The addition of large amounts of CaCO 3 to beryl before fusing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850538
EISBN: 978-1-62708-260-0
..., 0.015 mm/h Formula 2 37.3 g nickelous sulfate 26.4 g sodium hypophosphite 15.9 g sodium acetate 5–6 drops sulfuric acid 1000 mL distilled water Use at 180–190°F Plating rate, 0.01 mm/h Electroless Copper Plating <xref ref-type="bibr" rid="t67850410-ref20">[20...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
... steam through the combustion of the organic matter in the liquor in the heat transfer section. During the process, inorganic solids such as sodium sulfate, sodium sulfide, sodium carbonate, sodium chloride, and sodium hydroxide are melted on the furnace bed. Combustion of black liquor under reducing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... a nucleus to form masses or agglomerates that can be filtered. Chemicals such as alum (aluminum sulfate), sodium aluminate, ferric sulfate, ferric chloride, activated silica, and high-molecular-weight polyelectrolytes are often used as coagulants. They cause impurities that are otherwise present as fine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910021
EISBN: 978-1-62708-250-1
... 0.0295 Potassium chloride, KCl 8.94 0.1119 Potassium cyanide, KCN 8.21 0.1218 Potassium hydroxide, KOH 5.07 0.1972 Sodium chloride, NaCl 11.6 0.0862 Sodium hydroxide, NaOH 5.77 0.1733 Sodium carbonate, Na 2 CO 3 19.1 0.0523 Sodium sulfate, Na 2 SO 4 16.8 0.0595...
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
... sulfur compounds such as sodium and potassium iron trisulfate, Na 3 Fe(SO 4 ) 3 and K 3 Fe(SO 4 ) 3 , whereas that for oil-fired boilers is a mixture of vanadium pentoxide (V 2 O 5 ), along with sodium oxide (Na 2 O) or sodium sulfate (Na 2 SO 4 ). In either case, the liquid phase formed has a low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... to combustion atmospheres and surface deposits. In general, the defining characteristics of this high-temperature corrosion include the formation and deposition of salts such as sodium sulfate (Na 2 SO 4 ), which may contain other constituents such as potassium, calcium, and magnesium, also as sulfates...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850541
EISBN: 978-1-62708-260-0
... Alumina Sat. K3Fe(CN)6 Alumina 3% H202 Alumina 300 mL 1% aq. NaOH 200 mL '/4-u.m alumina 12% sodium thiosulfate 19% potassium thiocyanate Comments Use cyclic polarity, 0.1 A/cm2 for 2 min (Dickinson). Use normal or cyclic polarity, 0.04 A/cm2 for 2 min (Dickinson). Use cyclic polarity (Dickinson). Use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
... and Mazza ( Ref 7.26 ) investigated the effect of pH on SCC of aluminum brass in acidic chloride and sulfate solutions, respectively. In the former study, cold worked U-bend specimens were exposed in 1 M NaCl + 0.25 M sodium citrate solutions with 0.5 to 1.5 g/L CuCl and pHs of 1 to 6. Maximum...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030025
EISBN: 978-1-62708-282-2
..., which are often molten at the turbine operating temperature. The major components of such salts are sodium sulfate (Na 2 SO 4 ) and/or potassium sulfate (K 2 SO 4 ), apparently formed in the combustion process from sulfur from the fuel and sodium from the fuel or the ingested air. Because potassium...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310193
EISBN: 978-1-62708-286-0
... acceptable rate. Hexavalent chromium (Cr +6 ) is much more readily soluble in aqueous solutions, for example, oxidizing treatments such as Kolene, [1] a molten mixture of nitrate salt and hydroxide, or electrolytic conversion treatments such as electrolytic sodium sulfate. Both treatments convert...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
... sulfate begins to decompose at 580 to 600 °C (1075 to 1110 °F). Beryllium sulfate forms double salts with sodium, potassium, and ammonium. The compounds 3Na 2 SO 4 · BeSO 4 , K 2 SO 4 · BeSO 4 ·2H 2 O, (NH 4 ) 2 SO 4 · BeSO 4 ·2H 2 O, and (NH 4 ) 2 SO 4 -BeSO 4 above 50 °C (120 °F) have been...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230093
EISBN: 978-1-62708-298-3
...  NH 4 HF 2 + Be = ( NH 4 ) 2 BeF 4 + H 2 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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560453
EISBN: 978-1-62708-291-4
... are enhanced in contrast. Sodium bisulfite decomposes in aqueous solution to sodium metabisulfite, and the reagent strictly should be referred to as metabisulfite . References 1. Beaujard L. and Tordeux J. , Rev. Mét. , 1955 , 52 ( 9 ), 750 . 10.1051/metal/195552090750 . 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... • • • Sodium phosphate (tribasic) • • Sodium sulfateSodium sulfide • Steam • • Steam, geothermal (aerated) • • Strontium nitrate • Sulfate liquor...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
.... They can absorb hydrogen so quickly in concentrated caustics that a 30 min exposure could cause hydrogen levels to exceed specification. A more effective aqueous solution contains either copper sulfate or sodium sulfate in addition to sodium hydroxide. This bath operates at a lower temperature, 105 °C...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... ferrite grains, 2000× Energy dispersive spectroscopy analysis on the scale at the ID surface indicated the presence of oxygen, sulfur, potassium, sodium, magnesium, and calcium along with the base metal element (i.e., iron). Measurement of the scale thickness was carried out on both the ID...