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Sulfuric acid

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310257
EISBN: 978-1-62708-286-0
...Corrosion table for sulfuric acid (H<sub>2</sub>SO<sub>4</sub>) Table 1 (Part 1) Corrosion table for sulfuric acid (H 2 SO 4 ) Concentration, % 0.1 0.5 0.5 0.5 1 1 1 1 1 2 2 2 3 3 3 Temperature, °C 100 = BP 20 50 100 = BP 20 50 70 85 100 = BP 20 50 60 20 35...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
...Abstract Abstract This chapter addresses the issue of stress-corrosion cracking (SCC) in carbon and low-alloy steels. It discusses crack initiation, propagation, and fracture in aqueous chloride, hydrogen sulfide, sulfuric acid, hydroxide, ammonia, nitrate, ethanol, methanol, and hydrogen gas...
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
... Sulfamic acid 3.75 g/L Boiling Nil 7.5 g/L Boiling 2.74 Sulfamic acid + 0.375 g/L FeCl 3 7.5 g/L Boiling 0.030 Sulfur, molten 100 240 (464) Nil Sulfur monochloride ... 202 (396) =1.09 Sulfur dioxide, dry ... 21 (70) Nil Sulfur dioxide, water saturated Near 100 Room...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030180
EISBN: 978-1-62708-282-2
.... Anodic protection has been used most extensively to protect equipment for storage and handling of sulfuric acid ( Ref 10 , 11 ). Several companies advertise their capabilities in serving the sulfuric acid industry with anodic protection ( Ref 12 – 15 ). These organizations have applied anodic protection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
...; to strong alkalis, represented by sodium hydroxide and calcium hydroxide at pH 14. Fig. 1 The pH of several common environments The measured pH of several common acids and alkalis are as follows: Hydrochloric acid and sulfuric acid are strong acids and have low pH values. Boric acid...
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
... is generally initiated by sulfur. Case Study 26—Failure Investigation of Waterwall Tube of a Waste Heat Boiler Acid dew-point corrosion or cold-end corrosion is quite common in boilers using fossil fuels for steam generation. It is one type of low-temperature corrosion. When sulfur-bearing fuel (all...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310027
EISBN: 978-1-62708-286-0
... alloys in simulated evaporator liquid. Source: Ref 12 Fig. 8 Influence of alloying element on corrosion rate in contaminated sulfuric acid. Source: Ref 11 Fig. 9 Isocorrosion curves for various alloys in sulfuric acid Fig. 10 Isocorrosion curves for various alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030074
EISBN: 978-1-62708-282-2
...-2M (cast) C-4 (wrought) CX-2MW (cast) C-22 (wrought) Sulfuric acid/ferric sulfate, boiling (ASTM G28 Method A) 26.8 6.1 5 4.2 1.8 0.6 Mixed acid-oxidizing salt solution, boiling (ASTM G28 Method B) 46.5 1.4 54.6 58.3 0.7 0.18 10% HCl, boiling 21.8 7.3 5.9 5.8 17.6 10.2...
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
...Corrosion of titanium in sulfuric acid pickle baths Table 11.2 Corrosion of titanium in sulfuric acid pickle baths Sulfuric acid concentration, % Acid addition Bath temperature Corrosion rate °C °F μm/yr mils/yr 30 0.5% (a) 38 100 100 4.0 30 1% (a) 38 100 20...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... Chromium carbide sensitization only Microscopic examination; classification of etch structure B Ferric sulfate-50% sulfuric acid boiling 120 h Chromium carbide Weight-loss/corrosion rate C 65% Nitric acid boiling 240 h Chromium carbide and sigma phase Weight-loss/corrosion rate D 10...
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
...-Acetic Acid Nitric-Sulfuric Acid Oxalic-Sulfuric Acids Picral Picric-Alkaline Chromate Picric-Zephiran Chloride Picral-Ferric Chloride Picral-Hydrochloric Acid Nital (<italic>X%</italic>) Sodium Picrate Sodium Thiosulfate-Ammonium Nitrate Sulfur Print Thioglycolic Acid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230071
EISBN: 978-1-62708-298-3
... the beryllium was extracted by sulfuric acid leaching. Appreciable amounts of silica were also taken into solution. Silica dissolution was controlled by using intermediate quantities of CaCO 3 with the beryl. The beryllium became soluble in dilute acid, with no SiO 2 passing into solution. The addition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820125
EISBN: 978-1-62708-339-3
... 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 wrought alloy in boiling 2.5% HCl. (d) GTAW alloy in boiling 2.5% HCl. Source: Ref 43 Fig. 14 Corrosion rates for wrought...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030176
EISBN: 978-1-62708-282-2
... with niobium. Stress-corrosion cracking may occur in the presence of a tensile stress and a specific corrodent. Corrodents known to cause SCC in stainless steels are chloride solutions at elevated temperatures, caustic solutions, acids, aqueous solutions containing sulfur compounds, and high-temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480331
EISBN: 978-1-62708-318-8
... Titanium grade 7 65% nitric acid 0.41 (16) 0.254 (10) 0.15 (6) 0.3 (12) 30% FeCl 3 Severe pitting Nil Nil Nil 15% chromic acid &gt;10 (&gt;400) 12.7 (500) Nil Nil 20% acetic acid 0.1 (4) Nil Nil Nil 5% sulfuric acid &gt;2.5 (&gt;100) 25 (1000) &gt;2.5 (&gt;100) 0.5 (20...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310247
EISBN: 978-1-62708-286-0
... Corrosive agents Applications Alloys Notes Crude distillation Sulfur-containing acids (SCAs) Preheaters, distillation tower 405, 409, 410 … Vacuum fractionalization SCA, chlorides Towers 405, 410, 316 Depending on crude corrosivity Condensers S44735, 2205 Depending on chloride...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220039
EISBN: 978-1-62708-259-4
... for macrographic etching Etching reagent Composition and remarks Application Iodine and potassium iodide Powdered iodine (solid): 10 g Powdered potassium iodide: 20 g Water: 100 mL General application, welds according to ASME IX Mixed acids Hydrochloric acid (conc.): 38 mL Sulfuric acid (conc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910021
EISBN: 978-1-62708-250-1
..., which is formed when zinc is placed in sulfuric acid, or corrosion products can be insoluble compounds, such as iron oxide or hydroxide. The presence of corrosion products is one way corrosion can sometimes be detected (e.g., rust). Tendency to Form Insoluble Corrosion Products The conductivity...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... in refineries and petrochemical plants. Over the past two decades, a substantial amount of new information has been obtained from laboratory simulation of process environments involving exposure to naphthenic acids and sulfur compounds at elevated temperature, and to lower-temperature wet hydrogen sulfide (H 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230493
EISBN: 978-1-62708-298-3
.... At Brush Wellman, most of the pickling is done in a nitric acid or sulfuric acid-peroxide bath. The spent acid liquor is neutralized with a caustic solution to precipitate the copper oxide and copper hydroxide. Analysis of typical by-product feeds Table 27.2 Analysis of typical by-product feeds...