Tag: copper

Copper Coil Formula – Increase the Strength of a Coil by Placing a Core of Soft Ferromagnetic Material in the Centre of the Coil

A coil of wire produces a magnetic field when it is energized. The strength of this field depends on the current flowing through it and the distance from it.

The strength of a coils magnetic field can be increased by placing a core of soft ferromagnetic material in the centre of the coil. This can increase the field to thousands of times the strength of the coil alone. The permeability of the core material is also a factor in determining its field strength.

If the core is made from non-magnetic materials such as wood, the permeability will be low. If the core is made from a ferromagnetic material such as iron, steel or nickel alloys, then the magnetic permeability of this material will be much higher. This means that the magnetised flux around the coil will be a lot more concentrated and dense than in a free space such as air.

This is called the “Relative Permeability”. The relationship between relative permeability and field strength is very simple: For example, for an iron core a permeability of 500 is equivalent to a 0.628×10-3 H/m magnetic field.

As the magnetic permeability increases with the size of the core, the field will become saturated. This is a problem for large electromagnets that use a variable current power supply to energize or de-energize the coil.

In the next tutorial, we will look at B-H curves and hysteresis. These are important factors in understanding how the strength of a coils magnetic field can vary with the number of turns of wire within the coil. This will be of interest to anyone who is using a copper coil for electrical applications.

A coil of wire produces a magnetic field when it is energized. The strength of this field depends on the current flowing through it and […]

Is Copper II Carbonate Soluble in Water?

is copper ii carbonate soluble in water?

Copper ii carbonate, also known as cupric carbonate or malachite green copper carbonate, is an inorganic compound with the chemical formula Cu2(OH)2CO3. It is analogous to the mineral malachite and is commonly used as a pigment.

It is soluble in cold water and alcohol, and acid soluble to form the corresponding copper salt. It is also soluble in aqueous solutions of cyanide, sodium hydroxide, ammonium salts and alkali metal carbonates to produce copper complexes.

Common Uses:

Copper carbonate is used in the production of flares, fireworks, paint pigments, solid phosphor activators, pesticides, seed treatment and as fungicides and antidotes. It is also used in electroplating, and in the manufacturing of copper compounds.

Toxicity:

Excessive amounts of copper ii carbonate cause gastrointestinal problems, including acute gastroenteritis, with the hydrogen-sulfur reaction playing an important role. Symptoms include vomiting of 0.20.5 g for oral administration and l 2 g for inhalation, accompanied by nervous system dysfunction, liver and kidney dysfunction, nasal septum ulcer and perforation, facial skin, hair and conjunctiva turn light yellow-green or light black-green, and dust or solution may irritate the eyes and mucous membranes.

Chronic poisoning develops in the long term. In a study on six large white pigs fed on maize meal diets with 600 ppm basic cupric carbonate for 48 days, the animals showed gradual depletion of body weight gain, depression in serum GOT, GPT and LDH activities, and loss of hepatic and renal function. In addition, the pigs in the fish-meal group showed significant signs of toxicity.

is copper ii carbonate soluble in water?Copper ii carbonate, also known as cupric carbonate or malachite green copper carbonate, is an inorganic compound with the […]

Why is Copper alloyed with Nickel?

What’s the name of a copper and nickel alloy? There are many CuNi alloy that have different properties that can be used for various purposes.
Cupronickel contains 60-90% of copper.
Constantan: 45% nickel.
Monel: Minimum 52% nickel

For what purpose is copper-nickel?
Oceanographic Engineering
White copper alloys, which are resistant to seawater corrosion and easy processability, are often used in marine applications. In a variety of marine applications, heat exchangers and condenser tube designs with alloys ranging in composition from 90% Cu-10% to 70% Cu-30% are common.

These are some of the most important marine uses for white copper:
Shipbuilding and repair: Hull, ship, seawater cooling, bilge & ballast, sanitation and fire fighting, inert gases, hydraulic and pneumatic cool systems.
Desalination plants are salt water heaters, heat exhaust, recovery and evaporator pipe.
System and splash zone jackets. Offshore oil and natural gas platforms and processing and offshore FPSO vessels.
Power generation: Steam turbine condensers, oil coolers and auxiliary coolers in nuclear power plants.
Seawater system components: heat exchanger tubes and condensers, tubesheets and pipes, high pressure systems and fittings, pumps, and water tanks.

Coinage
White copper is a great choice for coinage because of its corrosion resistance and electrical conductivity.

Other
The thermocouple junction can be formed by a pair thermocouple conductors like iron-constantan and copper-constantan. The sheath can be made of copper, stainless steel or copper.

In cryogenic applications, white copper is used. It has excellent ductility and thermal conductivity at low temperatures, which makes it a useful material for cryogenic processing and storage equipment as well as heat exchangers in cryogenic plant.

This material has been used in bullet jackets since the dawn of the 20th century. To eliminate metal dirt from the hole, it was quickly replaced by gold-plated steel.

Silver-plated tableware is still made from copper and nickel. It is often used in mechanical and electric equipment, medical equipment and zippers.

Wear-resistant white copper is used to make the cylindrical core for high-quality locking systems and cylindrical locks.

Because white copper is not rusty, it has been used in place of traditional steel brake lines. Because white copper has a softer than steel, it’s easier to bend and break, and it seals well with hydraulic components.

Are copper and nickel alloys strong?
Copper-nickel alloys can have different properties depending upon their composition.
Copper 70/30 has excellent resistance to corrosion and is very strong.
Copper-rich alloys have ductility and can be hardened only by cold working. They also have high corrosion resistance, high strength, and low resistance coefficient. The alloys have a nickel content that allows them to retain their strength even at high temperatures, as opposed to nickel-free copper.

Why copper is alloyed with Nickel?
Copper can be strengthened and resistant to corrosion by adding nickel to it. However, this will not affect its ductility.

Cu Ni Alloy Powder Price
Price is affected by many factors, including supply and demand in a market, industry trends and economic activity.
You can email us to request a quote for the latest Cu-Ni alloy price . (brad@ihpa.net)

Cu–Ni Alloy powder Supplier
Technology Co. Ltd. is a trusted global supplier and manufacturer of chemical materials. We have more than 12 years experience in producing super high-quality chemicals.
Send us an inquiry if you’re looking for high-quality CuNi alloy powder. (brad@ihpa.net)

What’s the name of a copper and nickel alloy? There are many CuNi alloy that have different properties that can be used for various purposes. […]

Thermoelectric Properties of Copper Sulfide

Copper sulfide is a common mineral which exhibits varying electrochemical and oxidative behaviors, depending on its crystal structure. These differences can lead to a variety of applications including hydrometallurgy, bioleaching and flotation.

The crystalline solids of copper sulfide have been found to be useful in the production of thermoelectric materials because of their mixed (e-, Cu+) conducting properties and low calcination temperatures required. These properties ease synthesis and reduce the CO2 footprint.

Unlike oxides, which require high calcination temperatures to form, copper sulfides are able to be formed from the elements at much lower temperatures, even in air at room temperature. They also exhibit a high degree of thermal stability and have a wide variety of physical properties such as ionic conductivity, chemical inertness and electrical insulation.

Chalcopyrite, the most common copper sulfide, crystallizes in a tetragonal system with each metal atom coordinated by a S atom. The tetragonal crystal system is a natural form of asymmetry which has been found in a number of other minerals including quartz and pyrite.

The tetragonal structure is associated with low lattice thermal conductivity and good thermoelectric figures of merit at a range of potentials. This results in an ideal model for transition-metal chalcogenide thermoelectric materials.

In order to further understand the effect of the tetragonal structure on diffusion, we measured the resistances Rint, Rpore and Rdep for potentials of -0.80 V/SCE on static electrodes with different tetrahedral sulfur doping (SH-) concentrations. As shown in Figure 2, the values of Rpore decreased for both the pore and deposit at higher potentials, which is consistent with the larger currents observed in the polarization curves.

Copper sulfide is a common mineral which exhibits varying electrochemical and oxidative behaviors, depending on its crystal structure. These differences can lead to a variety […]

Anhydrous Copper Sulfate Formula

The anhydrous copper sulfate formula is a chemical compound which contains five water molecules surrounding a single cooper sulfate molecule. It has an oxidizing ability and is used as a dehydrating agent in acetal groups. This crystalline substance is available in several different forms and is often used in undergraduate chemistry experiments.

It is also an important ingredient in Fehling’s and Benedict’s solutions. It is also used in the Biuret reagent to test for proteins. Copper ions are also used as an antimicrobial agent, especially in the septic system.

As a fungicide, copper sulfate is useful in preventing the growth of fungi. In addition, it is commonly used as a herbicide in pools. However, it can cause serious health problems, such as itching eczema and ulceration of the cornea.

Anhydrous copper sulfate is a blue-white crystalline solid that is widely used in a number of applications. It is used in the production of glassware, pottery, and as an additive in concrete. A number of teenager chemistry sets contain copper sulfate.

Another use is as a chemical mordant in vegetable dyeing. It is also used in metal etching for jewelry.

Copper sulfate is also used as an electrolyte in batteries. It is also used as a herbicide and in molluscicides. For these purposes, it is important to make sure that the sulfate is pure. When producing copper sulfate, it is a good idea to use a heat-resistant mat that will allow rapid cooling. Overheating may result in the release of toxic fumes.

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The anhydrous copper sulfate formula is a chemical compound which contains five water molecules surrounding a single cooper sulfate molecule. It has an oxidizing ability […]

The Influence of the Formation Process on the Structure and Thermal Properties of Copper Nitride

Copper nitride (Cu3N) layers exhibit promising physical properties. Their structural and electrical properties are similar to those of semiconductors. However, the chemical and thermal properties of copper nitride remain unresolved. Hence, the objective of this research was to study the influence of the formation process on the structure and thermal properties of Cu3N.

We investigated N-rich copper nitride thin films before and after annealing. The morphology and structural properties of these films were analyzed by XRD and AFM. These studies were performed at different flow rates and partial pressures. The results were in agreement with the theoretical predictions.

Our results showed that the concentration of reactive nitrogen species decreased with increasing target-substrate distance. This decrease could be caused by a decrease in the activity of N2 in the gas-phase recombination of sputtered N species.

The growth chemistry of copper nitride was studied at various substrate temperatures and target-substrate distances. For example, a change in the distance of the target-substrate was measured in order to identify the critical decomposition temperature of the material.

The result showed that a large amount of Cu and N atoms formed an N-rich orientation at a higher N2 partial pressure. This N-rich phase exhibited a large lattice constant and retained a cubic structure.

The grain size of Cu3N thin films was also studied. The results showed that the smallest grains were observed at the shortest target-substrate distance. High partial pressures increased the size of the grains, which resulted in a sharp grain boundary.

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Copper Silicide Cu5Si Powder CAS 12159-07-8

About Copper Silicide Cu5Si Powder:
Copper silicide (Cu5Si), also known as Penta-copper silicide, is a binary compound of silicon and copper. It is an intermetallic compound, which means that its properties lie between those of an ionic compound and an alloy. This solid crystalline material is a silvery solid insoluble in water. Tungstenmolybdenummetals is a trusted global Copper Silicide Cu5Si Powder supplier. Feel free to send an inquiry about the latest price of Cu5Si at any time.

Product Performance of Copper Silicide Cu5Si Powder:
Copper silicide (Cu5Si) is a binary silicon compound of copper and an intermetallic compound, which means that its properties are between ionic compounds and alloys.

Technical Parameter of Copper Silicide Cu5Si Powder:

Product Name	MF	Purity	Particle Size	Molecular weight	Density	Color
Copper Silicide	Cu5Si	99%	5-10um	345.82	7.8 g/cm3	gray

Chemical Composition of Copper Silicide Cu5Si Powder:

Cu5Si	Cu	Si	P	S	Si	Mg	Fe
99%	91.8%	7.9%	0.013%	0.06%	0.006%	0.001%	0.12%

How is Copper Silicide Cu5Si PowderProduced?
Copper silicide is formed by heating a mixture of copper and silicon.

Applications of Copper Silicide Cu5Si Powder:
Copper Silicide films are used for passivation of copper interconnectors, for diffusion suppression and electromigration suppression, and as diffusion barriers
Copper silicides are invoked in the direct process of organosilicon compounds in the industrial route. In this process, the copper catalyzes the addition of methyl chloride to the silicon in the form of its silicide.
An illustrative reaction provides the industrially useful dimethyldichlorosilane
2 CH3Cl + Si → sicl2 (CH3) 2

Packing & Shipping of Copper Silicide Cu5Si Powder:
We have many different kinds of packing which depend on the copper silicide Cu5Si powder quantity.
Copper Silicide Cu5Si powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Copper Silicide Cu5Si powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.
Copper Silicide Cu5Si Powder CAS 12159-07-8插图

Copper Silicide Properties
Other Names	Copper(II) silicide, Pentacopper silicide
CAS No.	12159-07-8
Compound Formula	Cu5Si
Molecular Weight	345.82
Appearance	Gray Black Powder
Melting Point	N/A
Boiling Point	N/A
Density	7.8 g/cm3
Solubility in H2O	N/A
Exact Mass	344.623125


Copper Silicide Health & Safety Information
Signal Word	Warning
Hazard Statements	H315-H319-H335
Hazard Codes	Xi
Risk Codes	N/A
Safety Statements	N/A
Transport Information	NONH for all modes of transport

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About Copper Silicide Cu5Si Powder:Copper silicide (Cu5Si), also known as Penta-copper silicide, is a binary compound of silicon and copper. It is an intermetallic compound, which […]

Copper Sulfide CuS Powder CAS 1317-40-4

Product Name: CuS Powder Copper Sulfide Powder CAS 1317-40-4
Purity: min 99%
Copper sulfide is an inorganic compound with a chemical formula of CuS or CuI2CuII(S2)S. Therefore, two-thirds of the sulphur is actually a persulfate ion, and two-thirds of the copper is a cuprous ion, which is dark brown and extremely polar. Insoluble, it is one of the most insoluble substances (second only to silver sulfide, mercury sulfide, and sulphide sulfide) because its poor solubility makes some seemingly unacceptable reactions.

About Copper Sulfide CuS Powder:
Copper sulfide is an inorganic compound with the chemical formula CuS, so it is actually a mixture of cuprous sulfide and supersulfide and is a black and brown amorphous powder or granular substance. It is extremely insoluble and is one of the most difficult substances to dissolve because its insolubility allows some seemingly impossible reactions to occur. Bonding in copper sulfide cannot be correctly described in terms of simple oxidation state forms because the properties of the Cu-S bond are somewhat covalent rather than ionic and have a high degree of delocalization, resulting in a complex electronic band structure.
Copper sulfide is a compound and mineral, which can be divided into three categories: single sulfide, disulfide and mixed single sulfide. Copper sulfide is naturally occurring in nature as a mineral, called cuprizone. It conducts electricity moderately. Both synthetic materials and minerals contain copper sulfide.
Copper sulfide describes a series of compounds and minerals from which minerals and synthetic materials are composed. Some copper sulfides are economically important ores. The main copper sulfide minerals include Cu2S(chalcocite) and CuS(copper porphyry).In the mining industry, bornite or chalcopyrite consisting of a mixed copper-iron sulfide is often referred to as “copper sulfide”.In chemistry, “binary copper sulfide” is any binary compound of the elements copper and sulfur. Regardless of their origin, the composition of copper sulfides varies greatly at 0.5 Cu/S 2 and includes many non-stoichiometric compounds. Feel free to send an inquiry to get the latest price if you would like to buy Copper Sulfide CuS Powder in bulk.

How is Copper Sulfide CuS Powder produced?
No sulfur and copper directly mixed heating to prepare copper sulfide, because the oxidation of sulfur is weak, the reaction will generate a mixture of copper sulfide and cuprous sulfide:
2Cu+S==△==Cu2S , Cu+S==△==CuS
Can make copper powder and sulfur dissolved in carbon disulfide reaction at 100℃ to produce pure copper sulfide:
Cu+S==100℃ , CS2==CuS
Laboratory preparation of copper sulfide is usually prepared by adding H2S gas or soluble sulfide (such as sodium sulfide) into copper salt (mainly copper chloride and copper sulfate) solution through double decomposition reaction:
CuCl2+H2S====CuS↓+2HCl (weak acid to strong acid)
This reaction can occur because copper sulfide is too insoluble, causing the equilibrium to shift to the right.
CuSO4+Na2S====CuS↓+Na2SO4

Applications of Bismuth Oxide Bi2O3 powder:
Copper sulfide has the following uses:
Solar cell
Superionic conductor
photodetector
Conductive electrode
Photothermal spectral analysis conversion equipment
Microwave shielding coating
An active absorber of radio waves
Gas sensor
Infrared radiation polarizer

Storage Condition of Copper Sulfide CuS Powder:
The damp reunion will affect CuS powder dispersion performance and using effects, therefore, Copper Sulfide CuS Powder should be sealed in vacuum packing and stored in a cool and dry room, the Copper Sulfide CuS Powder can not be exposure to air. In addition, the CuS powder should be avoided under stress.

Packing & Shipping of Copper Sulfide CuS Powder:
We have many different kinds of packing which depend on the Copper Sulfide CuS Powder quantity.
Copper Sulfide CuS Powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Copper Sulfide CuS Powder shipping: could be shipped out by sea, by air, by express, as soon as possible once payment receipt.
Copper Sulfide CuS Powder CAS 1317-40-4插图

Copper Sulfide Properties
Other Names	copper(II) sulfide, copper(II) sulphide, CuS powder
CAS No.	1317-40-4
Compound Formula	CuS
Molecular Weight	95.61
Appearance	Black Powder
Melting Point	500℃
Boiling Point	N/A
Density	4.6 g/cm3
Solubility in H2O	N/A
Exact Mass	94.901672


Copper Sulfide Health & Safety Information
Signal Word	N/A
Hazard Statements	N/A
Hazard Codes	N/A
Risk Codes	N/A
Safety Statements	N/A
Transport Information	N/A

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Product Name: CuS Powder Copper Sulfide Powder CAS 1317-40-4Purity: min 99%Copper sulfide is an inorganic compound with a chemical formula of CuS or CuI2CuII(S2)S. Therefore, two-thirds […]

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