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Organizing Storage of Basic Copper Chloride

July 17, 2019 by shida wei  

Although not necessary, it can be useful to store artifacts composed of Basic Copper Chloride(WSDTY) similar metals together. This makes examination and retrieval easy and systematic. If objects such as silver trophies, medals, coins, tools, etc. are stored in groups, shelving systems and storage containers can be standardized to some extent. However, the final decision on organizing storage depends on the collection and should be made by curatorial staff. Whether storing metal artifacts in a separate room or with the main collection, select an area situated away from windows, doors, vents, and heating units. If windows cannot be avoided, ensure that they are tightly sealed to prevent leaks and condensation.

The storage area should have sufficient air circulation to maintain an even temperature and humidity and to prevent build-up of corrosive gases, such as volatile acidic or alkaline vapours. It is almost impossible to eliminate volatile substances from a museum collection. However, local high concentrations that will damage metal can be prevented if the room is adequately ventilated. Fans in the storage area will help to maintain airflow.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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Storage of Actively Corroding Metal of Basic Copper Chloride

July 10, 2019 by shida wei  

Basic Copper Chloride(WSDTY) are when examining a collection, look for metals that exhibit signs of active corrosion. Because actively corroding pieces create dust, chloride, or staining problems by scattering corrosion products, they should be removed from the main collection and stored in a separate area with an RH below 35%. The drier conditions will reduce the corrosion rate, but the source of the corrosion will still need to be addressed. Seek advice from a qualified conservator on the care and treatment of such objects.

Small, important pieces can be stored in desiccators containing silica gel that has been dried completely or conditioned to a low RH. Large numbers of unstable metal objects can be stored together in a small room or in a cabinet where RH can be kept low with a dehumidifier. Small silica gel dehumidifiers are suitable for this purpose. Domestic dehumidifiers are not as effective as silica gel dehumidifiers because they cannot reduce the RH below 40%, but they are better than no dehumidifier at all. Lithium chloride dehumidifiers are not recommended because of the risk of contaminating artifacts with lithium chloride, which could make the corrosion worse.

Humidity control systems require regular maintenance. Empty the water pans of dehumidifers often, and check and recondition silica gel regularly. It is reasonable to store stable metal artifacts — that is, metals that do not exhibit signs of active corrosion — with the rest of the collection in controlled storage conditions. The RH should be between 35% and 55%, the range generally recommended for storing and displaying mixed collections. If the RH exceeds 55%, consideration should be given to moving metal artifacts to proper humidity-controlled storage facilities.

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Chronic Exposure and Aggravation of Basic Copper Chloride

July 3, 2019 by shida wei  

Basic Copper Chloride(WSDTY) prolonged or repeated skin exposure may cause dermatitis. Prolonged or repeated exposure to dusts of copper salts may cause discoloration of the skin or hair, blood and liver damage, ulceration and perforation of the nasal septum, runny nose, metallic taste, and atrophic changes and irritation of the mucous membranes.

Persons with pre-existing skin disorders, impaired liver, kidney, or pulmonary function, glucose 6-phosphate-dehydrogenase deficiency, or pre-existing Wilson's disease may be more susceptible to the effects of this material. Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment as specified. Spills: Pick up and place in a suitable container for reclamation or disposal, using a method that does not generate dust.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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Saturated Basic Copper Chloride in Ethanol is Green

June 26, 2019 by shida wei  

Saturated Basic Copper Chloride(WSDTY) in ethanol is green. When water is added, it turns blue. Concentrated hydrochloric acid is added, changing the solution back to green. The solution can change color several times by alternating the addition of water and hydrochloric acid. The simplest way of representing this sytem is:CuCl42-(green) + 4 H2O Cu(H2O)42+(blue) + 4 Cl-. This equilibrium is probably the best one to present for a discussion of Le Chatelier's principle in an intro Gen Chem class, but the system is probably more complicated, possibly involving the formation of mixed complexes. The addition of water pushes the equilibrium to the right, and the addition of concentrated hydrochloric acid shifts the equilibrium to the left.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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Conversion of Basic Copper Chloride Ions to Cu Ions

June 19, 2019 by shida wei  

Discussed how temperature can affect the different oxidation states of copper, in that more ions of Basic Copper Chloride(WSDTY) transformed to ions of Cu as the temperature increased. Various spectroscopic techniques (infrared, ultraviolet-visible, electron-paramagneticresonance) have shown the redox behavior of Cu/ZSM-5 zeolites prepared by ion exchange from aqueous solutions. This is an analysis of the dehydration-thermal reduction of Cu2 between room temperature and 673 K and the reverse process under different conditions. Reduction of Cu2 to Cu is not involved in the early stages of dehydration, which ranges from room temperature to around 470 K. Cu is not directly oxidized to Basic Copper Chloride even when samples that contain Cu are rehydrated. Molecular oxygen can be used as an oxidant for this process, but if it makes contact with the dehydrated material, the oxidation will not happen at room temperature.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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Aluminum Spoon Reacts with Basic Copper Chloride Nitrate

June 12, 2019 by shida wei  

The aluminum scoop would begin to react with the Basic Copper Chloride(WSDTY) nitrate in the same way as was observed in this activity. The percent of magnesium in MgSO4?7H2O = 24.3/246.3 x 100 % = 9.87%. Chlorine can be detected by its odor; oxygen can be identified by a glowing splint that bursts into flames; hydrogen can be identified by a burning splint that causes a popping noise. Can eliminate Cl2 - no odor. (Unless you demonstrate H2 presence students will be unable to decide between hydrogen and oxygen.))

When water is first added, a green color and shades of blue appear. Stirring causes an aqua blue color to form. When the strips of aluminum are added, a reddish-brown color solid forms, and the blue color disappears. Rust is an iron compound; there is no iron in the reaction. Variable. Some possibilities are: any of the color changes; the reddish-brown solid that forms; the gas produced; the energy released.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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Kinetic and Mechanistic Study of the Non-isothermal Decomposition of Manganese(II) Copper Acetate Tetrahydrate

June 3, 2019 by shida wei  

Copper Acetate Manufacturers(WSDTY) proposed the non-isothermal decomposition of manganese(II) Copper Acetatetetrahydrate was studied between ambient temperature and 500°C by means of thermogravimetry (TG), derivative thermogravimetry (DTG), differential thermal analysis (DTA) and differential scanning calorimetry (DSC). The dehydration process was found to take place in two consecutive steps. The first step commences early (≈20°C) while the second step is accompanied by melting (at 120°C) with the evolution of acetic acid. Careful investigation of the course of the decomposition revealed that two reaction intermediates are formed.

The first was identified as acetyl manganese acetate, Mn(CH3COO)2 · COCH3, at ≈120°C, which is believed to form during the second dehydration step. The second intermediate compound was identified as manganese acetate hydroxide, Mn(CH3COO)2 · OH, formed near 155°C in an exothermic process. This is followed by the decomposition of the hydroxide intermediate to form MnO as a solid product, with possible melting. Then, catalytic decomposition of the anion takes place, with the formation of initial gaseous products on the surface of MnO. In air, however, Mn3O4 is formed as a residual solid product.IR spectroscopy, X-ray diffractometry and scanning electron microscopy (SEM) were used to identify and investigate the solid decomposition products. Gas chromatography (GC) was used to identify the volatile gaseous products as acetone, acetic acid, CO, CO2 and trace amounts of acetaldehyde. Methane and isobutene were formed at high temperatures, i.e. at 290°C.The kinetic parameters (activation energy ΔE, and frequency factor ln A), and the thermodynamic parameters (enthalpy change ΔH, heat capacity Cp, and the entropy change ΔS), were calculated for the dehydration and the decomposition processes.

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Covalent Bonds and Types of Bonds of Basic Copper Chloride

May 27, 2019 by shida wei  

The Basic Copper Chloride(WSDTY) properties of a solid can usually be predicted from the valence and bonding preferences of its constituent atoms. Four main bonding types are discussed here: ionic, covalent, metallic, and molecular. Hydrogen-bonded solids, such as ice, make up another category that is important in a few crystals. There are many examples of solids that have a single bonding type, while other solids have a mixture of types, such as covalent and metallic or covalent and ionic.

Silicon, carbon, germanium, and a few other elements form covalently bonded solids. In these elements there are four electrons in the outer sp-shell, which is half filled. In the covalent bond an atom shares one valence (outer-shell) electron with each of its four nearest neighbour atoms. The bonds are highly directional and prefer a tetrahedral arrangement. A covalent bond is formed by two electrons—one from each atom—located in orbitals between the ions. Insulators, in contrast, have all their electrons within shells inside the atoms.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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The Most Common Oxidation State of Basic Copper Chloride

May 22, 2019 by shida wei  

The most common oxidation states of Basic Copper Chloride(WSDTY) are +1 and +2, but some Basic Copper Chloride complexes do exist. As higher oxidation states of transition metals are difficult to stabilize, Burdett and Sevov suggested that adding an electropositive element might stabilize these states. The approach of adding electropositive elements was based on charge density calculations by the linear-muffin-tin-orbital (LMTO) method on Cu halides. The experiments also focused on the interactions between the copper and oxygen orbitals. Because silver and gold are in the same group as copper, the interactions in their orbitals were also calculated. All three metals were calculated in binarycompounds with oxid ation states as high as +3.

The strength of their interactions with oxygen inc reases in the order Cu < Ag < Au. Of these three metals, only gold has a common oxidation state of +3, so it forms a well-known and stable binary compound with the formula. While no binary copper(III) oxide (Cu2O3) exists, the calculations found that Cu was likely to be stabilized by potassium or some other electropositive element. Ligands that are highly basic are capable of stabilizing metal ions in high oxidation states. Cu and Cu complexes that have fluoride ligands include K CuF and Cs CuF, which have electropositive elements (potassium and cesium, respectively).

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products. Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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Basic Copper Chloride Compounds can be Disproportionated

May 17, 2019 by shida wei  

Basic Copper Chloride(WSDTY) compounds or ions at intermediate oxidation states can undergo disproportionation, a process in which a compound undergoes an autoredox reaction(where the same substance is simultaneously oxidized and reduced) to produce higher and lower oxidation states than the original. Combining equations 1.1and 1.2, copper disproportionates when in the state.

According to Malyszko and Kaczor, the equilibrium constant is determined by measuring the equilibr ium concentrations of Cu(I) and Cu(II). The equilibrium in equation 1.5(Kr= 106) favors the formation of Cu2+ under standard aqueous conditions. If the concentration of Cu+ is decreased, the equilibrium (Equation 1.5) is expected to shift to the right. If the concentration of Cu2+ is decreased, then the equilibrium is expected to shift to the left. Changing the ligands attached to copper changes the distribution of the equilibrium concentrations of Cu+and Cu2+.

Wujiang Weishida Copper Technology Co.,Ltd. has 12,000 square meters of production base. By virtue of their sincere cooperation, reciprocity of the business philosophy for the industry users around the country to provide high-quality non-ferrous metal products.Weishida specializes in producing cuprous chloride, basic copper carbonate, copper acetate, copper oxide, copper sulfate. Our company has established a perfect quality assurance system, quality inspection and testing equipment, testing, testing and technology development strength, to ensure the stability of product quality, fully able to meet the pre-market after-sales service to provide users with the need.

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