ammonium sulfide corrosion of copper

Causes of Corrosion and Corrosion Monitoring - Purafil

The corrosion reported from reactivity monitoring with CCCs is the sum of individual corrosion films. For copper coupons, sulfide and oxide films are most commonly produced and are reported as copper sulfide (Cu 2 S) and copper oxide (Cu 2 O), respectively.

What is the Equation for copper sulfate and ammonium sulfide

Copper sulfate (II) CuSO4 is blue; ammonia is a colorless gas. If you mix ammonia water and copper sulfate solution, you will actually form a Brilliant blue copper-ammonium complex that is very ...

Ammonium sulfide - Simple English Wikipedia, the free ...

Ammonium sulfide, also known as the "stink bomb" is made up of a solution of ammonium sulfide in water, sealed inside a glass ampoule (a small bottle-like container used to store a liquid securely). When the ampoule is broken, ammonia and hydrogen sulfide gases are released from the solution. These chemicals have a very strong and unpleasant smell. ...

how do you write ammonium sulfide with copper(II) nitrate ...

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Hydrogen sulfide attack and corrosion of copper electrical ...

Hydrogen sulfide attack and corrosion of copper 2003. Q. We have electrical equipment exposed to low levels of hydrogen sulfide at a waste treatment plant. Tin and Silver plating of copper components have been suggested to protect the copper. Do you have any experience suggestion regarding which material is the more suitable? Richard A. Mulcahy

H2S Pollution and Its Effect on Corrosion of Electronic ...

H2S Pollution and Its Effect on Corrosion of Electronic Components 267 4. Case studies 4.1. Corrosion behavior of silver and silver plated copper leadframes in H2S polluted outdoor and indoor environments In order to evaluate their corrosion behavior, metallic silver coupons and silver plated

Chapter 19 - Condensate System Corrosion | SUEZ

Other contaminants in the condensate system can affect corrosion rates of iron and copper even when the pH is correctly maintained. By complexing and dissolving iron and copper oxides, contaminants such as chloride, sulfide, acetate, and ammonia (for copper) can dissolve part or all of the oxide layer.

ammonium sulfide corrosion of copper -

ammonium sulfide corrosion of copper . ammonium sulfide corrosion of copper On the effects of common pollutants on the … SciTech Connect; Journal Article: On the effects of common pollutants on the corrosion of copper-nickel alloys in sulfide polluted seawater Contact supplier. - C36000 Alloy

Affected by pollutants and other environmental factors. Hydrogen sulfide causes rapid tarnishing. Sulfur dioxide, nitrogen oxides and ammonia may cause stress corrosion cracking. Atmosphere, Marine: Good: Protective green basic copper chloride or carbonate patina. Sulfur dioxide, nitrogen oxides and ammonia may cause stress corrosion cracking.

Is copper suitable in ammonia system? - ResearchGate

Copper is not usually used in ammonia system because with the presence of water ammonia becomes ammonium hydroxide, the OH combined with Cu making cupric hydroxide of blue color.

Copper sulfide - Wikipedia

Prominent copper sulfide minerals include Cu 2 S and CuS . In the mining industry, the minerals bornite or chalcopyrite, which consist of mixed copper-iron sulfides, are often referred to as "copper sulfides". In chemistry, a "binary copper sulfide" is any binary chemical compound of the elements copper … - C75200 Alloy

COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR ... Sodium Sulfide: Good: Corrosion rate increases at elevated temperatures or with traces of moisture: Atmosphere: ... Resistant to pure steam. Carbon dixide, dissolved oxygen or ammonia can increase corrosion. Water, Potable: Excellent:

316L Stainless Steel Chemical Compatibility Chart from ISM

Ammonium Sulfide A Ammonium Sulfite B Ammonium Thiocyanate A Ammonium Thiosulfate A Amyl Acetate A ... Minor Effect, slight corrosion or discoloration D = Severe Effect, not recommended for ANY use ... Copper Ammonium Acetate A Copper Carbonate A Copper Chloride D Copper Cyanide B

Corrosion Resistance - Copper

Ammonia stress corrosion cracking, which copper-zinc brass alloys can be susceptible to, is not found with copper-nickels in seawater. Exposure to sulfides should be restricted, particularly while the protective oxide film is maturing. Copper-nickel alloys fall in the middle of the galvanic series.

Is CuS ( Copper(II) sulfide ) Soluble or Insoluble in water

Question: Is CuS ( Copper(II) sulfide ) Soluble or Insoluble in water ? Answer: CuS ( Copper(II) sulfide ) is Insoluble in water What is Soluble and Insoluble ? Solubility Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent.

Conditions Contributing to Underground Copper Corrosion

A heavy black layer on the copper would suggest the presence of copper sulfide and the possibility of anaerobic bacteria activity as the cause of corrosion. The presence of ammonia, in combination with sulfate compounds on the copper surface, indicates that the cause of corrosion could be lawn fertilizer.

Guide to the Suitability of Copper with Various Chemicals

copper isn't just confined to carrying water and natural gas,copper tubes are also widely used in industry to carry a variety of chemical products.This a rticle gives general information on the suitability of copper with various types of water and chemicals. Drinking water Copper is generally highly corrosion

Is (NH4)2S ( Ammonium sulfide ) Soluble or Insoluble in ...

Question: Is (NH4)2S ( Ammonium sulfide ) Soluble or Insoluble in water ? Answer: (NH4)2S ( Ammonium sulfide ) is Soluble in water What is Soluble and Insoluble ? Solubility Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent.

Tetraamminecopper(II) sulfate - Wikipedia

Tetraamminecopper(II) sulfate is the inorganic compound with the formula [Cu(NH 3) 4 (H 2 O) n]SO 4.This dark blue solid is a metal complex with faint odour of ammonia.It is closely related to Schweizer's reagent, which is used for the production of cellulose fibers in the production of rayon.It is used to print fabrics, used as a pesticide and to make other copper compounds like copper nano ...

Safety Data Sheet (SDS) -

This Safety Data Sheet (SDS) is for guidance and is based upon information and tests believed to be reliable. Flinn Scientific, Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating thereto.

Copper Corrosion Caused by Ammonium Sulfate and Sodium ...

Request PDF on ResearchGate | Copper Corrosion Caused by Ammonium Sulfate and Sodium Sulfate Particles | We observed the corrosion process that occurs between copper and ammonium sulfate (NH4)2SO4 ...

Corrosion of Zinc - Total Materia

Zinc is more corrosion resistant than steel in most natural atmospheres, the exceptions being ventilated indoor atmospheres where the corrosion of both steel and zinc is extremely low and certain highly corrosive industrial atmospheres. For example, in seacoast atmospheres the corrosion rate of zinc is about 1/25 that of steel.


Ammonium sulfide aqueous solution is a colorless to yellow liquid, with an odor of rotten eggs or ammonia. Material in aqueous from the hydrosulfide which with acid forms H2S. It may be irritating to skin, eyes and mucous membranes and may cause illness from skin absorption. It may burn and/or emit toxic fumes if heated to high temperatures.

What is the result of mixing copper sulfate and ammonia ...

Nov 25, 2017· It depends on the concentration of the ammonia. Initially the ammonia will react with water to produce ammonium ions and hydroxide ions. While this is happening, copper hydroxide will precipitate out of solution, leaving ammonium sulfate in soluti...

Hydrogen Sulfide Corrosion: Its Consequences, Detection ...

• Mechanism of Sulfide Corrosion Hydrogen sulfide corrosion can occur by two mechanisms: 1) acid attack resulting from the biological conversion of hydrogen sulfide gas to sulfuric acid in the presence of moisture, and 2) direct chemical reaction with metals such as copper, iron .and silver with hydrogen sulfide …

Copper Corrosion - an overview | ScienceDirect Topics

As an example, copper corrosion causes difficulties due to the deterioration of copper and copper alloy fittings and connections commonly used in liquefied petroleum gas systems. As little as 1 ppm of hydrogen sulfide can cause a copper strip test failure. Thus the copper strip corrosion test is an extremely sensitive test that will detect ...

Copper-Ammonia Complex | Chemdemos

When concentrated ammonia solution (ammonium hydroxide) is added to a clear, light blue, aqueous solution of copper(II) chloride, a powdery, light blue precipitate of copper(II) hydroxide forms. Further addition of ammonia causes the copper ion to go back into solution as a deep blue ammonia complex.

What Are Some Uses of Ammonium Sulfide? |

It is also used in mineral analysis, cell culture and organic chemical synthesis. Ammonium sulfide is an unstable salt. Ammonium sulfide is water soluble and typically sold in 20 to 24 percent solutions. It is a colorless to yellow liquid with an odor of rotten eggs or ammonia. The …

Copper Corrosion Inhibitors | Nalco Champion

Copper can be present in fuel systems in the form of heating coils, cooling coils, brass fittings or bronze parts. Copper is quite resistant to corrosion by water but can be attacked by ammonia and sulfur compounds. Finished fuels usually do not contain ammonia unless the ammonia carries over from refining process operations.


PREDICTION OF AMMONIUM BISULFIDE CORROSION AND VALIDATION WITH REFINERY PLANT EXPERIENCE Michael S. Cayard & Walter G. Giesbrecht ... Byproducts of these reactions include ammonia (NH3) and hydrogen sulfide (H2S). The product of these two gases can form a salt, ammonium bisulfide

Ammonium sulfide ((nh4)2S) | H6N2S+2 - PubChem

H314 (): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation] Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. ... Ammonium sulfide is designated as ...

Ammonium Bisulfide Corrosion in Hydrotreating Units

The corrosion data in this section is mainly based on the results of general corrosion laboratory tests, which are not strictly comparable with actual service conditions.The corrosion tables provide an initial guide to the selection of materials and are intended to facilitate understanding of the different types of corrosion damage that can arise due to poor material selection.

What is Copper Corrosion? - Definition from Corrosionpedia

Copper corrosion is the corrosion of materials made of copper or copper alloys. When exposed to the atmosphere, copper oxidizes, causing bright copper surfaces to tarnish. After a few years, this tarnish gradually changes to dark brown or black, and finally to green.