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ammonium hydroxide

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Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004185
EISBN: 978-1-62708-184-9
... Ammonia and ammonium hydroxide are not particularly corrosive in themselves, but corrosion problems can arise with specific materials, particularly when contaminants are present. This article discusses the corrosion resistance of materials used for the manufacture, handling, and storage of ammonia...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003764
EISBN: 978-1-62708-177-1
... with acids; density, 1.21 g/cm 3 Ammonium hydroxide NH 4 OH Corrosive (>35%), irritating Liquid: aqueous solution; pungent smell; density, 0.882–0.96 g/cm 3 Ammonium molybdate (NH 4 ) 6 Mo 7 O 24 ·4H 2 O … Crystalline: colorless; releases NH 3 when exposed to air Ammonium persulfate (NH...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001247
EISBN: 978-1-62708-170-2
... Hydroxide Sodium Carbonate Reagents Hydrochloric or sulfuric acid (concentrated) Ammonium hydroxide (concentrated) Eriochrome black “T” indicator (0.5% solution in alcohol) Formaldehyde (8% solution in water) Disodium dihydrogen ethylenediaminetetraacetate dihydrate (EDTA), 0.575 M solution (21.4 g...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001254
EISBN: 978-1-62708-170-2
.../L (fluid oz/gal) 20 (2.6) (b) Ammonium sulfamate, g/L (oz/gal) 90 (12) Ammonium hydroxide To pH pH 8-9 Temperature, °C (°F) 20-40 (70-100) Current density, A/dm 2 (A/ft 2 ) 0.5-1.0 (5-9) Anodes Platinized Note: Formulation is for plating an alloy of about 75 wt% Pd...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001317
EISBN: 978-1-62708-170-2
..., and SiO 2 · Al 2 O 3 for fluid catalytic cracking (FCC) of heavy oils to lower-molecular-weight fuels. In a typical procedure, an aqueous solution of one or more metal salts contacts a basic solution, such as an aqueous alkali, ammonium hydroxide, or ammonium carbonate, to cause the precipitation...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001309
EISBN: 978-1-62708-170-2
... nitrate Temperature, 650–700 °C (1200–1300 °F); immersion time, ≤20 s; hot water quench Parts must be lacquered. Black (a) Solution A: liquid sulfur, 28 g (1 oz); sulfurated potash, 57 g (2 oz); ammonium hydroxide (sp gr 0.89), 7 g ( 1 4 oz); water, 4 L (1 gal) Room temperature Produces...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003247
EISBN: 978-1-62708-199-3
... steel and tin-coated cast iron 1 drop HNO 3 (conc), 2 drops HF, 25 mL glycerol; then picral For etching tin-coated steel Dilute ammonium hydroxide with a few drops of 30% hydrogen peroxide For etching tin-coated copper and copper alloys Sectioning of titanium and titanium alloys follows...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003247
EISBN: 978-1-62708-199-3
...-coated steel and tin-coated cast iron 1 drop HNO 3 (conc), 2 drops HF, 25 mL glycerol; then picral For etching tin-coated steel Dilute ammonium hydroxide with a few drops of 30% hydrogen peroxide For etching tin-coated copper and copper alloys Sectioning of titanium and titanium alloys...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003137
EISBN: 978-1-62708-199-3
... G G Aluminum hydroxide E E E E E E E E E Aluminum sulfate and alum G G P G G G G E G Ammonia, dry E E E E E E E E E Ammonia, moist (c) P P P P P P P F P Ammonium chloride (c) P P P P P P P F P Ammonium hydroxide (c) P P P P P P...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001739
EISBN: 978-1-62708-178-8
... identification Test for: Reagent Positive result Applications Chromium Diphenylcarbazide Violet color Identify chromium-free steel Cobalt Ammonium thiocyanate/acetone Blue color Identify cobalt-base alloys Copper Dithizone Purple color Sort copper-bearing stainless steels Iron...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003147
EISBN: 978-1-62708-199-3
... hydroxide, which forms complexes with nickel and copper. Nickel 200 is not subject to corrosion by anhydrous ammonia or ammonium hydroxide in concentrations up to 1%. However, ammonium hydroxide in higher concentrations causes rapid attack. Nickel 200 and Nickel 201 have excellent resistance to sodium...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
...) Control of pH achieved by adding 28% solution of ammonium hydroxide In-Process Corrosion Difficulties experienced with chemical and anodic treatments result from the lack of control of processing variables. One difficulty common to all treatments, chemical or anodic, is nonuniformity of coating...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
...) … … … … Ammonium hydroxide To pH To pH … … … … Lactic acid, g/L (oz/gal) … … … 28 (3.7) … … Malic acid, g/L (oz/gal) … … … … 35 (4.7) … Amino-acetic acid, g/L (oz/gal) … … … … … 40 (5.3) Sodium hydroxyacetate, g/L (oz/gal) … … 10 (1.3) … … … Propionic acid, g/L (oz/gal...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003272
EISBN: 978-1-62708-176-4
..., aqueous 3% ammonium persulfate and 1% ammonium hydroxide). 500× Fig. 25 Vickers indents (100 gf) in the matrix (dark) and in the intergranular beta (white) phase in an age-hardened as-cast beryllium copper (C 82500) that was burnt in solution annealing (differential interference contrast...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003216
EISBN: 978-1-62708-199-3
...) … … … … … Ammonium citrate, g/L (oz/gal) … 65 (8.6) … … … … Ammonium hydroxide To pH To pH … … … … Lactic acid, g/L (oz/gal) … … … 28 (3.7) … … Malic acid, g/L (oz/gal) … … … … 35 (4.7) … Amino-acetic acid, g/L (oz/gal) … … … … … 40 (5.3) Sodium hydroxyacetate, g/L (oz...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003752
EISBN: 978-1-62708-177-1
... brass (Cu-30%Zn) cold reduced 50% and annealed at 704 °C (1300 °F) for 30 min. Fully recrystallized and grown, equiaxed face-centered cubic grains with annealing twins. (a) Etched with equal parts ammonium hydroxide and hydrogen peroxide (3%). (b) The specimen was tint etched with Klemm's I reagent...
Book Chapter

By A. Sato
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001248
EISBN: 978-1-62708-170-2
...–28 2.0–3.7 Sodium hydroxide 79 10.5 68–105 9.0–14.0 75 10.0 60–90 8.0–12.0 Sodium carbonate 15 2.0 15–60 2.0–8.0 15 2.0 15–60 2.0–8.0 Sodium polysulfide 2 0.3 2–3 0.3–0.4 2 0.3 2–3 0.3–0.4 Brightener (g) (g) 1–4 0.1–0.5 (g) (g) 1–4 0.1–0.5...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003245
EISBN: 978-1-62708-199-3
... etching Ammonium hydroxide Concentrated NH 4 OH Final electrolytic etch after etching in Vilella's reagent and in 10 N KOH (electrolytic) Cadmium acetate 10 g cadmium acetate, 100 mL water Attacks (Cr,Fe) 23 C 6 carbide particles Chromic acid 2–10 g Cr 2 O 3 , 100 mL water Outlines...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003245
EISBN: 978-1-62708-199-3
...; immerse specimen Murakami's reagent 10 g K 3 Fe(CN) 6 , 10 g KOH, 100 mL water Stains carbide particles without staining sigma phase (a) ; immerse specimen Solutions for electrolytic etching Ammonium hydroxide Concentrated NH 4 OH Final electrolytic etch after etching in Vilella's reagent...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003767
EISBN: 978-1-62708-177-1
... is inadequate, add 24 g NH 4 F·HF (ammonium bifluoride) to stock reagent at left. 26. 20 g picric acid and 100 mL HCl Etch by immersion. Develops grain boundaries in austenite and δ-ferrite in duplex alloys 27. Saturated aqueous Ba(OH) 2 (barium hydroxide) Attacks carbides well before σ phase...