474 results about "Cu2 ions" patented technology

The invention relates to the technical field of new material detection, in particular to a copper foil coating content detection method. The method comprises the following steps: preparing a plurality of mixed standard solutions; the mixed standard solution comprises copper ions and at least one to-be-detected element ion; in the plurality of mixed standard solutions, the copper ion concentrations are the same and are first preset concentration values; measuring a plurality of mixed standard solutions, and establishing a standard curve between a theoretical value and a measured value of the ion concentration of each to-be-measured element; dissolving a plating layer on the surface of the to-be-detected copper foil by using nitric acid, and filtering to obtain a to-be-detected sample solution; adding copper salt into the to-be-detected sample solution to obtain a to-be-detected analysis solution; measuring the to-be-measured analysis solution to obtain the measurement concentration of each to-be-measured element ion; according to the measured concentration of each to-be-measured element ion and the corresponding standard curve, the corrected content of each to-be-measured element ion is obtained. The problem that an existing copper foil coating content detection method is low in detection accuracy is solved.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method for removing metallic impurities from acidic copper-containing etching wastewater at room temperature and pressure. The method includes the following steps: S1, adding an oxidant to the acidic copper-containing etching wastewater to conduct an oxidation-reduction reaction, obtaining a pretreatment solution; S2, adding phosphoric acid or soluble phosphate to the pretreatment solution, adjusting the pH to 1.3-1.7 using a pH adjuster, stirring, and filtering to obtain a purified copper-containing solution. The method provided by this invention achieves high removal rates for Fe, Ni, Zn, Ca, and Mg, while maintaining a high copper ion content. It can recycle and regenerate high-purity copper salt products for application in food, cosmetics, medical, electroplating, and other fields, while also reducing hazardous waste generation, improving economic efficiency, and significantly reducing costs.

The invention discloses a copper surface micro-etching coarsening solution for a fine circuit as well as a preparation method and application of the copper surface micro-etching coarsening solution, and relates to the technical field of printed circuit board manufacturing. The copper surface micro-etching coarsening solution for the fine circuit is prepared from, by mass concentration, 60 g / L to 100 g / L of sulfuric acid, 40 g / L to 60 g / L of hydrogen peroxide, 0.5 g / L to 2 g / L of zinc sulfate, 10 g / L to 30 g / L of copper ions, 0.5 g / L to 1 g / L of pyridine heterocycle-containing Schiff base, 10 g / L to 100 g / L of ethyl alcohol, 1 g / L to 3 g / L of 2-mercaptobenzothiazole, 1 g / L to 5 g / L of methionine and 1 g / L to 5 g / L of polyacrylamide. According to the copper surface micro-etching coarsening solution, the 2-mercaptobenzothiazole and the methionine in the copper surface micro-etching coarsening solution can enable the copper surface to form a honeycomb structure under the low micro-etching amount, the zinc sulfate and the pyridine heterocyclic ring-containing Schiff base can form a composite film layer with copper ions on the surface of the honeycomb structure, and the interlayer binding force is improved.

The invention belongs to the technical field of water treatment, and particularly provides a nitrogen-oxygen co-doped hypha / spruce composite adsorption material and a copper-containing sewage treatment method. According to the invention, the copper-containing sewage is pretreated by using the solid fermentation product, and then the copper-containing sewage is post-treated by using the nitrogen-oxygen co-doped hypha / spruce composite adsorption material prepared under specific conditions; wherein in the pretreatment stage, microbial metabolites in a solid fermentation product preliminarily capture free copper ions (Cu < 2 + >) through complexation, the toxicity of the sewage is reduced, and meanwhile, the copper ions are partially converted into a form which is easier to adsorb. In the post-treatment stage, the nitrogen-oxygen co-doped hypha / spruce composite adsorption material plays a key role, and efficient interception and adsorption of copper ions are achieved. In conclusion, the treatment method for the copper-containing sewage comprises a pretreatment stage and a post-treatment stage, the two stages are in synergistic interaction, and finally the removal rate of the heavy metal copper can be effectively increased.

The invention provides a simulated aging test method for an antifouling coating. The simulated aging test method comprises the following steps: S1, constructing a natural aging performance model of the antifouling coating; s2, constructing an accelerated aging model of the antifouling coating and acquiring an acceleration ratio N of natural aging to accelerated aging; s3, based on an accelerated aging model, acquiring an acceleration period Mi corresponding to a critical threshold R (temporary i) of a copper ion exudation rate, wherein the predicted life Lp (temporary i) of the antifouling coating is equal to Mi * N; and S4, based on a natural aging model, obtaining a predicted copper ion exudation rate R < pre-i > corresponding to the predicted life Lp < pre->, judging whether R < pre-i >-R < critical i > / R < critical i > is less than or equal to 10%, if so, outputting a near threshold R < critical i > and the predicted life Lp < pre-i >, and if not, adjusting the critical threshold of the copper ion exudation rate to R < critical i + 1 > and returning to the step S3. According to the method, the performance failure threshold value of the antifouling coating is taken as a boundary condition, the performance of the antifouling coating is rapidly evaluated, the service life of the antifouling coating is quantitatively predicted, the prediction result is subjected to cooperative cross validation through linkage double models, and the reliability is improved.

The invention relates to the field of biomedicine, particularly provides a copper-based nano-enzyme as well as a preparation method and application thereof, and aims to solve the problems that in the prior art, clinical treatment on primary sclerosing cholangitis (PSC) is difficult in diagnosis and lacks of effective treatment drugs. The copper-based nano-enzyme comprises a nano-enzyme carrier and a copper-based nano-enzyme, wherein the nano-enzyme carrier is a two-dimensional nanosheet formed by copper ions, gallic acid and ursodesoxycholic acid through coordinate bonds; the probe molecule is a cyanine dye molecule connected to the surface of the nano-enzyme carrier through a covalent bond; wherein the fluorescence intensity of the copper-based nano enzyme is enhanced after the action of the alkaline phosphatase. The three functions of alkaline phosphatase responsive diagnosis, nano-enzyme catalytic treatment and ursodesoxycholic acid hepatic targeting are innovatively and synergistically integrated into one nano platform, the treatment function can be executed while specific imaging diagnosis is performed on diseases, and a new strategy is provided for diagnosis and treatment of diseases such as PSC.

The invention belongs to the field of nano-medicine and traditional Chinese medicine, and particularly discloses an antioxidant nano-material based on self-assembly of traditional Chinese medicine and copper ions and a preparation method thereof.The nano-material is prepared from BPCu nano-particles formed by self-assembly of berberine and procyanidine B2 under induction of the copper ions, the BPCu nano-particles are further subjected to surface modification through polyvinylpyrrolidone, and the antioxidant nano-material is prepared. And the stably dispersed PVP-coated BPCu nano structure is obtained. The material is small in particle size, uniform in distribution, good in water solubility and storage stability, excellent in free radical scavenging capacity and catalase-like activity and suitable for adjuvant therapy of oxidative stress related diseases, and the preparation method is easy and convenient to operate, does not need an organic solvent and has good industrialization and disease treatment potential.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a method for removing metal impurities from acidic copper-containing etching wastewater at normal temperature and pressure. The method for removing the metal impurities from the acidic copper-containing etching wastewater at normal temperature and pressure comprises the following steps: S1, adding an oxidizing agent into the acidic copper-containing etching wastewater to carry out oxidation-reduction reaction to obtain a pretreatment solution; and S2, phosphoric acid or soluble phosphate is added into the pretreatment solution, the pH is adjusted to 1.3-1.7 through a pH adjusting agent, stirring and filtering are conducted, and the purified copper-containing solution is obtained. According to the method, the removal rate of Fe, Ni, Zn, Ca and Mg is high, high-content copper ions can be kept, a high-purity copper salt product can be recycled and regenerated to be applied to the fields of food, cosmetics, medical treatment, electroplating and the like, hazardous waste can be reduced, economic benefits are improved, and cost is greatly reduced.

The invention belongs to the field of analytical chemistry, relates to material preparation, and particularly discloses a preparation method of a copper-doped covalent organic framework and application of the copper-doped covalent organic framework in adrenaline colorimetric detection. Firstly, 1H-indazole-4, 7-diamine (Iz) and 1, 3, 5-triformyl phloroglucinol (Tp) are used as monomers to synthesize a novel covalent organic framework (Iz-Tp COF) through a Schiff base reaction, copper ions are introduced into the Iz-Tp COF framework to prepare a novel metal covalent organic framework (Iz-Tp (at) Cu), and then according to the phenomenon that the Iz-Tp (at) Cu can catalyze oxidation color development of epinephrine, the metal covalent organic framework (Iz-Tp (at) Cu can catalyze oxidation color development of epinephrine. According to the present invention, the simple, sensitive and efficient adrenaline colorimetric detection method is established, the test conditions are finally optimized, the standard addition method is combined to accurately determine the adrenaline concentration in the urine, and the good practical application value is provided.

A desulfurizing agent according to the present disclosure is a desulfurizing agent for removing a sulfur compound from a fluid containing moisture and the sulfur compound, the desulfurizing agent comprising: at least one metal ion selected from the group consisting of aluminum ions, iron ions, and copper ions; and an organic ligand coordinated to a metal ion, the organic ligand containing isophthalic acid optionally having a substituent group at the 5-position of a benzene ring, and diffraction peaks respectively present in the range of diffraction angles of 10.9 DEG + / -0.3 DEG and the range of diffraction angles of 18.1 DEG + / -0.3 DEG in an X-ray diffraction pattern of the desulfurizing agent measured using Cu-K alpha rays.

The invention discloses a preparation method and application of a metal covalent organic framework material, and the prepared metal covalent organic framework material can be used for adsorption separation of elemental iodine pollutants and shows excellent iodine adsorption capacity and rate. According to the preparation method, 1H-pyrazole-4-formaldehyde and copper nitrate trihydrate are subjected to a solvothermal reaction to prepare a copper ion ring trinuclear metal complex with an aldehyde group, and the copper ion ring trinuclear metal complex and 1, 3, 5-tri (4-aminophenyl) benzene are further subjected to a Schiff base reaction to prepare the metal covalent organic framework material containing copper ions. According to the metal covalent organic framework material disclosed by the invention, copper ion active adsorption sites in a chemical structure are also retained while a developed microporous structure is maintained, and the interaction strength of pore channels to iodine is remarkably enhanced, so that the iodine adsorption rate and capacity are remarkably improved. The preparation method is simple, convenient, universal and high in controllability, and large-scale production and manufacturing of the metal covalent organic framework adsorption material can be achieved.

The invention relates to a method for recovering tellurium from copper anode slime through cooperation of ultrasound and hydrogen peroxide, and belongs to the field of wet metallurgy of scattered metal. The method comprises the following steps: drying and grinding copper anode slime to obtain copper anode slime powder; the method comprises the following steps: adding copper anode slime powder into a sulfuric acid solution, mixing to obtain copper anode slime slurry, adding hydrogen peroxide into the copper anode slime slurry, carrying out ultrasonic enhanced leaching for 20-160min, and carrying out solid-liquid separation to obtain a leaching solution containing copper and tellurium and high-grade valuable metal leaching residues. According to the method, hydrogen peroxide is effectively promoted to be decomposed by ultrasound to generate hydroxyl radicals, the oxidation potential of a system is regulated and controlled, copper and tellurium are selectively converted into copper ions, tellurate radicals enter a solution, and valuable elements such as gold, silver and selenium are enriched in slag; necessary heat is provided for the reaction by utilizing the heat effect of ultrasonic and heat released by chemical reaction, and extra heating is not needed; strong jet flow generated by ultrasound effectively destroys raw material inclusion and secondary wrapping, reaction mass transfer is enhanced, and the leaching rate of tellurium is increased. The method disclosed by the invention is simple in leaching process operation, low in cost and high in reaction speed.

The invention provides the preparation method of the efficient photocatalyst which is simple and convenient, does not contain noble metals or toxic metals and does not need a cocatalyst. In the invention, a strategy for synergistically improving the catalytic performance by regulating and controlling sulfur vacancies and doping copper ions is provided, zinc indium sulfide (ZIS) is selected as a substrate material, the content of sulfur atoms is increased in the synthesis process through a solvothermal method to introduce the vacancies, and Cu (NO) is synchronously added to introduce Cu, so that the catalytic performance is improved. The Cin-VZIS catalyst is successfully prepared (n is a doping proportion relative to Zn). A TEOA aqueous solution is used as a sacrificial agent to carry out photocatalytic hydrogen production reaction, the synergistic effect of the two modification modes can significantly improve the performance of the catalyst, and when the copper doping ratio is 1.5%, the catalytic activity reaches the highest and is 1.799 mmol.g.h, which is 7.5 times of that of an original ZIS catalyst. The prepared catalyst is high in activity and good in stability, and a new way is provided for developing efficient and stable solar hydrogen production materials.

The invention discloses a copper-cobalt bimetallic catalyst and a preparation method and application thereof. The preparation method comprises the following steps: mixing ZIF-67, a copper source and a solvent, adjusting the pH value to 7.0, stirring, standing, centrifuging, washing and drying to obtain ZIF-67 adsorbed with copper ions, and calcining to obtain the copper-cobalt bimetallic catalyst. Compared with a conventional cobalt-based bimetallic catalyst, the copper-cobalt bimetallic catalyst prepared by the invention has the advantages of large specific surface area, multiple catalytic active sites, high catalytic activity, good structural stability and the like, is a novel catalyst with a novel structure and excellent performance, can efficiently activate peracetic acid and is used for degrading antibiotics; the method can realize deep oxidative degradation of various antibiotics in different water bodies, has the advantages of high reaction system activation rate, high degradation efficiency, wide pH application range, good reusability, low metal leaching amount, no secondary pollution and the like, and is high in use value and good in application prospect.

The invention belongs to the technical field of copper foils, and particularly relates to a preparation method of a copper foil, the copper foil and a raw foil system.The preparation method comprises the steps of raw foil electrolysis, roughening treatment and curing treatment.The raw foil electrolysis is that multi-step electro-deposition is conducted in an electrolyte to form the copper foil, the multi-step electrodeposition comprises at least two deposition stages adopting different current densities and different copper ion concentrations, and in the deposition stage process, a composite additive comprising at least two different molecular weight components is added into an electrolyte; the roughening treatment comprises at least two roughening stages, and the concentration of copper ions in the electrolyte in the later roughening stage is lower than the concentration of copper ions in the electrolyte in the previous roughening stage; the curing treatment comprises at least two curing stages, and the concentration of copper ions in the electrolyte in the later curing stage is lower than that of copper ions in the electrolyte in the previous curing stage. According to the method, the elongation of the super-thick electrolytic copper foil at high temperature can be improved, meanwhile, the low surface roughness of the super-thick electrolytic copper foil is maintained, and the high peel strength of the super-thick electrolytic copper foil is guaranteed.

The invention discloses micro-etched copper ion electrolysis regenerated copper recovery treatment equipment, and relates to the technical field of copper ion recovery. According to the micro-etched copper ion electrolysis regenerated copper recovery treatment equipment, when the etching waste liquid is subjected to electrolytic treatment, the cathode plate installed in the reaction frame and the waste liquid are subjected to electrolytic reaction, copper ions in the waste liquid are attached to the surface of the cathode plate in the form of copper powder, rapid collection of the copper ions rich in the etching waste liquid is achieved, and the copper ions in the etching waste liquid are recycled. In the process that the negative plate moves to the upper portion of the collecting frame, the surface of the negative plate is in an attached to-be-scraped state through the scraping plate, the attached copper powder is scraped off through the scraping plate to be collected in a unified mode along with continuous upward movement of the negative plate, the whole collecting process is completely automatic, and the collecting efficiency is improved. The risk problem caused by manual contact with the waste liquid is further reduced, and meanwhile, the labor intensity of workers and the labor cost of enterprises are reduced.

The invention discloses a treatment method of strong complexing copper wastewater, which comprises the following steps: adjusting the pH value of the strong complexing copper wastewater, adding a complexing breaking agent, stirring and reacting until the color of the solution becomes brownish black, then adding ferric chloride for deep purification, and finally adjusting the pH value back for flocculating settling and solid-liquid separation. And finally, obtaining clear liquid with the effluent copper ion concentration stably lower than 0.5 mg / L and ferrite precipitate-sludge with stable chemical properties. The method is simple and low in cost, secondary pollution is avoided, the treatment difficulty and environmental risks of the strong complexing copper wastewater and the sludge obtained through treatment are greatly reduced, and the method has wide application prospects.

The invention relates to the field of electroplating sludge, and particularly discloses a selective separation and resource recycling method for copper in electroplating sludge. The method comprises the following steps: mixing and roasting electroplating sludge and sodium salt, and washing with water to obtain filter residues; then carrying out acid leaching on the filter residues to obtain an acid leaching solution containing iron, copper, nickel and zinc; then enabling the pickle liquor to sequentially pass through a first ion exchange column filled with monophosphate group chelating resin and a second ion exchange column filled with copper selective functionalized resin to selectively adsorb iron ions and copper ions respectively; then desorbing the resin adsorbing the copper by using an acid solution to obtain a copper-containing eluent; and finally, carrying out evaporation concentration and recrystallization treatment to obtain a high-purity copper salt product. According to the method, the separation selectivity and the recovery efficiency of copper in the electroplating sludge are fundamentally improved by adopting a chelating resin combination with specific functional groups and an optimized acid leaching-adsorption series process.

The invention discloses a polymer self-repairing waterproof paint and a use method thereof, and relates to the technical field of waterproof paints.The polymer self-repairing waterproof paint is prepared from cement, carbonized waste aerated building blocks, carbonized copper slag, modified montmorillonite, polymer emulsion, a dispersing agent, a defoaming agent and a flatting agent as main ingredients, and aragonite whiskers dispersed in the carbonized waste aerated building blocks are used for improving the strength of the waterproof paint; silica gel generated by carbonization reacts with cement to generate calcium hydroxide to generate C-S-H with a low calcium-silicon ratio, so that the corrosion resistance and the impermeability of the coating are improved; the carbonized copper slag is doped into the waterproof coating, so that the wear resistance of the waterproof coating is improved, copper ions can achieve an antibacterial effect, silica gel generated after carbonization has relatively high activity, and the cement consumption is further reduced; on one hand, carbon sequestration is realized, and on the other hand, the carbonized waste aerated building blocks and active substances in the copper slag are utilized, so that the strength performance, corrosion resistance, impermeability and wear resistance of the coating are improved, the cement consumption is reduced, and the building material utilization rate of the coating is increased.

The present invention provides a sulfonic acid-modified colloidal silica which has excellent long-term stability of metal adsorption amount and is capable of suppressing the amount of residual abrasive grains on a polished metal surface after polishing and cleaning.　This sulfonic acid-modified colloidal silica contains silica particles, and is characterized in that: (1) the surfaces of the silica particles are modified with a sulfonic acid group; (2) the Cu ion adsorption amount of the silica particles is 5.00-110.00 µmol / g; (3) the ratio (Cu ion adsorption amount (µmol / g) / S content (µmol / g)) of the Cu ion adsorption amount to the S content of the silica particles is 0.50 or more; and (4) the rate of change over time of the Cu ion adsorption amount of the silica particles is 1.30 or less as measured by the measurement method described below. [Measurement method of the rate of change over time of the Cu ion adsorption amount of the silica particles] The sulfonic acid-modified colloidal silica is left to stand at 25°C for 3 months. The Cu ion adsorption amount (µmol / g) of the silica particles before standing and the Cu ion adsorption amount (µmol / g) of the silica particles after standing are measured and the rate of change over time of the Cu ion adsorption amount of the silica particles is calculated by the following formula. (Rate of change over time of Cu ion adsorption amount of silica particles) = (Cu ion adsorption amount (µmol / g) of silica particles after standing) / (Cu ion adsorption amount (µmol / g) of silica particles before standing)

The invention discloses a marine antifouling and anticorrosive coating with copper ion controllable release and self-repairing functions and a preparation method of the marine antifouling and anticorrosive coating, and belongs to the technical field of marine equipment antifouling and anticorrosive coatings. In order to solve the problems that a traditional copper-based antifouling coating is too fast in initial release of copper ions, poor in antifouling persistence, easy to damage and difficult to give consideration to antifouling and self-repairing performance, the preparation method comprises the following steps: firstly, preparing a KH560 modified nano copper oxide / activated carbon antifouling agent; controllable release of copper ions is achieved through the adsorption effect of activated carbon and interface modification of KH560. Secondly, taking PTMG and TDI as raw materials, and introducing FDME and BMI to construct a self-repairing polyurethane matrix containing reversible covalent bonds and hydrogen bonds; finally, the antifouling agent is introduced into the self-repairing polyurethane matrix according to a specific proportion, and the composite coating is prepared. According to the invention, long-acting controllable release of copper ions and synergistic improvement of self-repairing and corrosion resistance of the coating are realized, and the coating is suitable for long-term protection of marine equipment.

The invention relates to the technical field of nano-enzymes, and discloses a copper-based nano-enzyme with laccase and peroxidase double-enzyme activity and preparation and application thereof, and the copper-based nano-enzyme is a nano-material prepared by forming MOF through solvothermal reaction of copper ions and diamino terephthalic acid and then performing electrostatic adsorption on the MOF and polyoxometallate. The copper-based nano enzyme has high-efficiency laccase-like activity and peroxidase-like activity at the same time through the combination and synthesis process of the copper ion cluster and the organic ligand. The invention further discloses a preparation method of the copper-based nano-enzyme, peroxidase activity detection and application of the copper-based nano-enzyme to degradation and determination of dichlorophenol. The copper-based nano-enzyme provided by the invention has high catalytic activity and stability, is low in cost and easy to prepare, and can be applied to biosensing detection of hydrogen peroxide and environmental remediation degradation of organic pollutants such as phenols and dyes.

The invention discloses a spectral analysis-based PCB chemical preparation ratio intelligent adjustment method and system, and relates to the technical field of industrial data processing. The method comprises the following steps: monitoring a cleaning solution flowing through a PCB cleaning tank in real time to obtain continuous spectrum time sequence data; analyzing in real time to obtain a copper ion concentration value sequence and a corrosion inhibitor concentration value sequence, and calculating a copper ion concentration change rate and a corrosion inhibitor concentration change rate in real time; analyzing the real-time change trend of the copper ion concentration value and the corrosion inhibitor concentration value, and analyzing the real-time numerical relationship between the copper ion concentration change rate and the corrosion inhibitor concentration change rate; judging whether a harmful side reaction which mainly consumes the corrosion inhibitor occurs or not; and when the harmful side reaction is judged to occur, inputting the copper ion concentration change rate and the corrosion inhibitor concentration change rate into a pre-trained proportioning optimization model, and outputting to obtain an acid agent adjustment amount and a corrosion inhibitor adjustment amount. According to the invention, the precise, real-time and intelligent adjustment of the proportion of the PCB chemical agent is realized.

The application provides an amino acid composite reagent system and a method for treating electronic waste to prepare high-purity glycine copper, and belongs to the technical field of metal hydrometallurgy and resource recycling. The application builds an ammonia catalytic reduction mechanism by designing an amino acid composite reagent system, greatly improves the leaching rate, simultaneously inhibits the dual effects of copper hydroxide precipitation and glycine chelation, and realizes efficient solution of copper ions; through narrow window regulation technology of pH at 9.5±0.2, the stability of ammonia, the activity of glycine anion are maintained, and the selective leaching rate of copper is ensured; a directional crystallization process of leaching solution is constructed, the "self-assembly directional crystallization" process of glycine copper chelate is used, based on the saturation concentration of glycine copper in the leaching solution and the stable chelate structure, through three-stage crystallization precise regulation, the preparation of high-purity crystal is realized. The process realizes the closed-loop crystallization system of "zero addition of crystal seeds and zero wastewater discharge" of the copper-containing complex leaching solution of electronic waste.

The invention relates to the technical field of biological medicine, in particular to an organic copper ion complex with high photothermal conversion efficiency and preparation and application thereof.The organic copper ion complex is prepared by dissolving reactants in an organic solvent, reacting for a period of time, washing, drying and purifying to obtain pure organic molecules; the novel organic copper ion complex material is obtained by mixing the copper ions with Cu < 2 + >, the light absorption range is expanded from a visible light region to a near-infrared light region, and the material is simple to prepare, shows good near-infrared light absorption capacity, has excellent photo-thermal and copper ion synergistic sterilization capacity and is suitable for popularization and application in the field of biomedicine.

The application discloses an iron / copper-porphyrin nanoparticle and a preparation method and application thereof, and the nanoparticle is prepared through the following steps: adding iron chloride, copper chloride, tetra(4-carboxyphenyl)porphyrin and benzoic acid into a reaction solvent N,N-dimethylformamide solution, uniformly stirring at room temperature, and reacting at high temperature; and after the reaction is completed, the iron / manganese-porphyrin nanoparticle is obtained through centrifugation and washing. The iron / manganese-porphyrin nanoparticle is prepared by using a brand-new method, the nanoparticle can be degraded in a glutathione solution and release iron ions and copper ions, is used for catalyzing hydrogen peroxide to be converted into a hydroxyl radical (•OH), and tetra(4-carboxyphenyl)porphyrin can generate singlet oxygen (O2) under 660 nm laser irradiation, and is expected to become a good nano-carrier for accelerating photodynamic therapy-chemical kinetic therapy. 1 O2).

The application belongs to the technical field of nanometer material preparation, and discloses a regulation method for synthesizing copper coordination polymers with different dimensions. The method is to obtain copper coordination polymers with different dimensional morphologies under room temperature conditions by controlling the reaction sequence of copper ion solution, uniform benzenetricarboxylic acid and 4,4-dipyridine and the molar ratio of uniform benzenetricarboxylic acid and 4,4-dipyridine. The synthesis process is simple, the cost is low, the dimension of the morphology is adjustable, large-scale industrial production is possible, and good economic benefits and environmental benefits are achieved.

The present application relates to a kind of bactericidal liquid agent based on cuprous hydroxide, and its preparation method and use method, with the suspension of cuprous hydroxide as bactericidal liquid agent, can effectively prevent and cure the disease caused by a variety of oomycetes, fungi and / or bacteria, wherein the suspension of cuprous hydroxide is obtained by stirring in water by the solution state cuprous chloride coordination compound decomposition.This bactericidal liquid agent of the present application can be far lower than the existing copper ion bactericide while the single copper dosage is lower, and the prevention and cure range of disease is wider.This not only solves the risk of heavy metal excess residue caused by the existing copper preparation, but also avoids the problem of needing to use multiple bactericides simultaneously to prevent and cure one or more diseases.The bactericidal liquid agent of the present application has important significance for plant disease prevention and cure, and has great application potential in agricultural market.

According to the technical scheme, ultrasonic waves and micron bubbles are applied to electrolytic preparation of copper, the micron bubbles are converted into nano bubbles through the ultrasonic waves, diffusion and transfer processes of active substances in the electrolytic refining process are promoted under the cooperation of the nano bubbles and the ultrasonic waves, the concentration difference of electrolyte is reduced, and the copper content is reduced. The overpotential phenomenon caused by concentration gradient is reduced, the contact area of anode copper and electrolyte is increased, the deposition speed of copper ions on a cathode plate is enhanced and accelerated, the electrolytic efficiency is improved, meanwhile, ultrasonic is matched with nano bubbles to promote the generation of crystal nucleuses and crack normally developed crystals, then grains are refined, and the quality of the product is improved. According to the scheme, preparation of the 4N-grade high-purity copper can be completed through one-time electrolysis, and the production process is simplified.

The invention relates to the technical field of electrochemical analysis, in particular to a method and system for rapidly detecting the concentration of copper ions in electroplating liquid, and the method comprises the following steps: in an electroplating starting stage, eliminating the influence of bath liquid temperature on a copper ion interface supply rate acquired in real time by utilizing a temperature gain coefficient, and establishing a reference model of the rate with respect to current density; and in the subsequent electroplating process, the expansion ratio of the surface area of the electrode is calculated by comparing the real-time double-electric-layer discharge time constant with the reference time constant determined in the starting stage. And determining the effective mass transfer flux of the interface by combining the normalized ion supply rate and the surface area expansion ratio, comparing the effective mass transfer flux with the theoretical demand flux obtained by the reference model, and dynamically adjusting the output step length of the rectifier. The interference of temperature fluctuation and dendritic crystal growth is avoided, so that the comprehensive targets of accurate regulation and control, defect prevention and intelligent diagnosis are achieved, and the intelligent level of electrochemical analysis is remarkably improved.