40 results about "Sulfaquinoxaline" patented technology

The invention provides composite photocatalytic fibers and a preparation method thereof. The preparation method includes: spinning a composite light catalyst and polyester polymer to obtain precursor fibers; performing exposing treatment on the composite light catalyst in the precursor fibers to obtain the composite photocatalytic fibers. The composite photocatalytic fibers have the advantages that the polyester polymer and the composite light catalyst are used as the raw materials, the raw materials are spun into the precursor fibers, and then the composite light catalyst in the precursor fibers is exposed to allow the fibers to have photocatalytic activity; experiment results show that the sulfaquinoxaline degradation rate of the composite photocatalytic fibers is quite high, and all sulfaquinoxaline can be degraded in about 2.5 hours; a circulation cycle lasts 5 minutes, and the composite photocatalytic fibers can still keep good degradation activity after 15 circulations.

The present invention provides a colloid immunity test paper card for testing medicine sulfaquinoxaline dioxin, and includes a reaction membrane, a sample pad, a combination releasing pad, a drinking pad, and a back pad. The present invention is characterized in that a testing area with a coupling object of the coating sulfaquinoxaline dioxin medicine-carrier albumen and a quality control area ofthe coating goat-anti-mouse lgG are arranged on the reaction membrane. The combination releasing pad coats the sulfaquinoxaline dioxin medicine monoclonal antibodies- colloid metal marker. The present invention also provides a method to use the above medicine sulfaquinoxaline dioxin, and the method includes the following steps: pre-processing the sample, using the test paper card to conduct testing, and analyzing the test result. The test paper card provided by the present invention can be used to test the medicine residue of the sulfaquinoxaline dioxin in the Animal-derived food such as the chicken, the chicken liver, the pork, pig liver, the urine, and the honey. The present invention has simple operation, low cost, high sensitivity, and quick test speed; is applicable for large-scale popularization and mass sample screening; and can be controlled on-spot.

The present invention discloses a method for detecting sulfaquinoxaline and its special-purpose ELIA kit. Said ELIA kit includes sulfaquinoxaline specific antibody, coating source and enzyme label. The described coating source is the conjugate of sulfaquinoxaline semiantigen and carrier protein or sulfaquinoxaline antiantibody, the described enzyme label is enzyme labeled sulfaquinoxaline antiantibody or enzyme labeled fulfaquinoxaline semiantigen. When the coating source is conjugate of the sulfaquinoxaline semiantigen and carrier protein, the described enzyme label is enzyme labeled sulfaquinoxaline antiantibody; and when the described coating source is sulfaquinoxaline antiantibody, the described cenzyme label is enzyme-labelled sulfaquinoxaline semiantigen.

The invention discloses a blue fluorescent material and a preparation method thereof. Sulfaquinoxaline and 4,4'-bipyridyl which have conjugate phi bonds and cadmium ions with optical activity are chemically reacted to prepare a sulfaquinoxaline cadmium compound with a certain spatial structure, and the molecular formula of the sulfaquinoxaline cadmium compound is C42H40CdN10O6S2, wherein M is equal to 957.36. The crystal system is monoclinic; the space group is C2 / c; and in the unit cell parameters, alpha is 90.00 degrees, beta is 126.005 degrees, and gamma is 90.00 degrees. Because of Cd (II) ions of rich optical activity and conjugate phi bonds, the compound fluorescent material is favorable for electron transition and energy transfer, has good photoelectric activity, shows good blue emitting performance, and can be used as a fluorescent material.

The invention discloses a nickel micro nanoparticle and a preparation method thereof. The preparation method comprises the following steps: adding a certain quantity of nickel salt solution into a solution which contains sodium sulfaquinoxaline, performing centrifugation on products after reaction and aging at a certain temperature, leaving precipitate, washing the precipitate respectively with deionized water and ethanol, performing ultrasonic dispersion, and drying, so as to prepare the corresponding sulfaquinoxaline nickel micro nanoparticle. According to the preparation method, the preparation of metal micro nanoparticles through reaction to different nickel salts and sulfaquinoxaline is successfully realized, metal-ligand micro nanoparticles with uniform particle size are obtained, and excellent physical and chemical properties are provided. The sulfaquinoxaline nickel micro nanoparticle as a catalyst has good catalytic activity and wide application prospects in the field of catalysis. In a whole preparation process, the operation is simple, the cost of raw materials is low, the equipment investment is low, and mass production is facilitated.

The invention discloses a method for simultaneous determination of nine sulfonamide antibiotics on suspended particles in water. The method comprises the following steps: taking a target water sample,filtering, and collecting a filtered membrane and particles retained on the surface; adding a quantitative internal standard substance; cutting and placing in a centrifuge tube after freeze drying; adding an appropriate amount of extractant; performing constant temperature oscillation, ultrasonic treatment and centrifuging; transferring supernatant to a K-D concentration bottle; purging the extraction liquid to less than 1ml by nitrogen gas; filtering with an organic microporous filter membrane; and measuring with an ultra-high performance liquid chromatography-triple quadrupole tandem mass spectrometer. The method has the advantages of short sample pretreatment time, simple steps, simultaneous determination of the contents of nine sulfonamide antibiotics such as sulfadiazine, sulfapyridine, sulfamethazine, sulfisomidine, sulfachlorpyridazine, sulfamerazine, sulfamethoxazole, sulfaquinoxaline and trimethoprim adsorbed on the suspended particles in water, and more accurate and true reflection of the contents of the sulfonamide antibiotics in water more.

The invention relates to a method for detecting the content of six anticoccidial drugs, namely clopidol, dinitolmide, nicarbazin, sulfaquinoxaline, chlorcucurbita hydrochloride and diclazuril in chicken feed, premix and feed additives. The method mainly comprises the following steps that: extraction isperformed with using 0.1% trichloroacetic acid acetonitrile; purification is performed with 50mg of PSA; redissolving is performed with methanol and a 5mmol / L ammonium acetate aqueous solution in a volume ratio of 8: 2 as a redissolving solution; and an Agilent Extend-C18 (250 mm * 4.6 mm i. D., 5 [mu] m) chromatographic column is used as an analytical column, 270 nm and 340 nm wavelengths are selected, the sample size is 20 [mu] L, the column temperature is 25 DEG C, and an Agilent 1260 high performance liquid chromatography system (Agilent, DAD) is used for analysis. The invention aims to establish a novel, simple and convenient analysis method for rapidly determining various anticoccidial drugs in chicken feed, premix and feed additive by a high performance liquid chromatography detection method with good repeatability. The method is simple and convenient to operate and good in repeatability, and saves time and cost.

The invention discloses a preparation method of an immunoaffinity column. The immunoaffinity column is a compound affinity column which is mainly prepared from three types of immunoaffinity columns through mixed packing in a volume ratio being 1:1:1, and the three types of immunoaffinity columns are prepared from three antibodies and a coupling matrix through coupling and wet packing. The column capacity of the immunoaffinity column is 2,500 ng, the immunoaffinity column is good in purification effect and can be repeatedly used three times, and average recovery rate is 67%-107%. The compound immunoaffinity column has good specific adsorption property for at least 12 sulfonamides including sulfaquinoxaline, sulfadiazine, sulfapyridine, sulfametoxydiazine, sulfadimidine, sulfamethoxazole, sulfafurazole, sulfadimethoxypyrimidine, sulfathiazole, sulfamerazine, sodium N-sulphanilamidate and sulfamonomethoxine. The immunoaffinity column which is high in coupling rate, specific adsorption property, column capacity and recovery rate is prepared, and a sensitive, rapid and simple analysis method capable of detecting residues of the 12 sulfonamides simultaneously is provided.

The invention discloses 1,4-dioxo-2-(1-ethoxy)-3-hydroxymethyl-sulfaquinoxaline and a preparation method and an application thereof. The 1,4-dioxo-2-(1-ethoxy)-3-hydroxymethyl-sulfaquinoxaline is shown as a formula (1). The preparation method of a product (I) comprises the following steps of: reducing mequindox serving as a raw material to obtain 1,4-dioxo-3-methyl-2-(1-hydroxymethyl)sulfaquinoxaline; mixing and reacting with acetic anhydride and pyridine to obtain 1,4-dioxo-3-methyl-2-(1-hydroxymethyl)sulfaquinoxaline; reacting an obtained product with acetic anhydride to obtain 1-oxy-2-(1-ethoxycarbonyl oxygen ethyl)-3-(1-ethoxycarbonyl oxygen ethyl)-sulfaquinoxaline; oxidizing to obtain 1,4-dioxo-2-(1-ethoxycarbonyl oxygen ethyl)-3-(1-ethoxycarbonyl oxygen ethyl)-sulfaquinoxaline; and performing hydrolysis through an alkali liquor to obtain the product (I). The product (I) can be taken as a residual marker of maquindox in target animal in-vivo metabolism or a standard product or a reference product for detecting maquindox residue in an animal-derived food.

The invention discloses a synthesis method for 2-formylcarbonylhydrazone-sulfaquinoxaline-N1, N4-dioxide in the technical field of biochemical engineering. The invention discloses a structure of a sulfaquinoxaline drug metabolite, a preparation method for the structure and application of the structure. The sulfaquinoxaline drug metabolite is the 2-formylcarbonylhydrazone-sulfaquinoxaline-N1, N4-dioxide, and the molecular formula of the sulfaquinoxaline drug metabolite is C10H8N4O3. The synthesis method disclosed by the invention comprises the following steps of: performing ring expansion, oxidation and aldol condensation to obtain a 2-formylcarbonylhydrazone-sulfaquinoxaline-N1, N4-dioxide crude product by taking benzofurazan and ethyl formate as raw materials, and performing recrystallization and purification on the crude product for three times to obtain a product with higher purity. According to the synthesis method, a common solvent which can be simply and easily obtained is adopted to serve as a reaction medium; a used instrument and the reaction condition also can be easily implemented; synthesis steps are fewer; postprocessing is convenient; and the obtained product is higher in purity.

The invention provides a blue-light-emitting up-conversion material. Yttrium acetate C6H17O10Y, ytterbium acetate C6H9O6Yb.4H2O and thulium acetate C6H9Tm.xH2O serve as main raw materials for preparation. The blue-light-emitting up-conversion material is mainly characterized in that up-conversion fluorescence nano-particles NaYF4:Yb,Tm (the excitation wavelength is 980 nm and the emission wavelength is 477 nm) mark a sulfaquinoxaline monoclonal antibody and serve as a signal probe, polystyrene magnetic microspheres connected with a sulfaquinoxaline coating antigen serve as an induction probe, and thus a competitive immunoassay based on up-conversion particle marking and magnetic nano-particle quick separation is structured to detect sulfaquinoxaline in food, and the detection limit is 0.1 ng mL-1. The blue-light-emitting up-conversion material has the following advantages that detection steps are simple, separation is achieved through the action of an additionally-added magnetic field, operation steps are greatly simplified, and the detection time is shortened; sensitivity is good; sample pretreatment is easy, fast and environmentally friendly.

The invention discloses a long-lasting aluminum alloy surface treating agent, which is composed of the following raw materials in parts by weight: 0.2 to 0.5 part of sodium sulfaquinoxaline, 1 to 2 parts of tea saponin, 1 to 2 parts of N-(2-hydroxyethyl)ethylenediamine, 1 to 2 parts of sodium biisooctyl sulfosuccinate, 1.5 to 2 parts of acetic acid, 2 to 4 parts of urea, 0.6 to 1 part of copper sulfate, 0.4 to 1 part of algal polysaccharide, 1 to 1.5 parts of monoammonium phosphate, 2 to 3 parts of potassium chloride, 0.4 to 1 part of hydroxyl silicone oil, 0.1 to 0.2 part of ethylene carbonate, 0.1 to 0.4 part of antioxidant, 2 to 4 parts of film-forming auxiliary agent, 14 to 20 parts of silane coupling agent KH590, and 110 to 140 parts of deionized water. The added urea has a very good sustain-release effect, and the tea saponin and algal polysaccharide can strength the adhesive strength of coating, intensify the adhesive force on metal workpiece, and improve the protectiveness.

The invention discloses a sulfaquinoxaline cobalt compound with electrocatalytic activity as well as a preparation method and application thereof. The sulfaquinoxaline cobalt compound is a cobalt coordination compound with the electrocatalytic activity, of which the molecular formula is C42H42N10O6S2Co, the crystal system is monoclinic, the space group is C2 / c, the cell parameters refer to FORMULA, alpha equal to 90 degrees, beta equal to 126.579 degrees, gamma equal to 90 degrees, and cobalt ions are in a six-coordinate octahedral geometrical configuration. The sulfaquinoxaline cobalt compound is prepared by mixing cobalt salt, sulfaquinoxaline, 4,4'-dipyridine according to a certain ratio and reacting, and synthesis steps are simple. The sulfaquinoxaline cobalt compound has good electrocatalytic activity for hydrogen peroxide, and as a potential electrocatalytically active material, the sulfaquinoxaline cobalt compound has a wide application prospect.

The invention discloses a seven-into-one sulfanilamide detection method which comprises a kit and reagents, wherein the reagents comprise sulfathiazole, trimethoprim, sulfaquinoxaline, phthalylsulfathiazole, sulfamethythiadiazole, sulfamethazine, sulfamethoxazole, sulfamerazine, sulfadimethoxypyrimidine, a sulfachlorpyridazine carrier, m-sulfamethoxydiazine, sulfaquinoxaline, sulfadiazine, sulfamethoxypyridazine and sulfametoxydiazine. According to the seven-into-one sulfanilamide detection method and the kit, the sulfathiazole, the trimethoprim, the sulfaquinoxaline, the phthalylsulfathiazole, the sulfamethythiadiazole, the sulfamethazine, the sulfamethoxazole, the sulfamerazine, the sulfadimethoxypyrimidine, the sulfachlorpyridazine carrier, the m-sulfamethoxydiazine, the sulfaquinoxaline, the sulfadiazine, the sulfamethoxypyridazine and the sulfametoxydiazine in a proportioning part of a weight unit are combined in match in a glass container, and convenience can be brought to seven-into-one sulfanilamide detection.

The invention discloses a solvent-free method for preparing sulfaquinoxaline, which comprises the following steps: at room temperature, adding industrial sulfanilamide, chloride and potassium carbonate into a condensation reaction kettle, and uniformly stirring; heating the materials in the condensation reaction kettle to 195-200 DEG C, and reacting for 8-9 hours; adding drinking water into the condensation reaction kettle, and stirring until the materials are completely dissolved; pressing into a decoloration reaction kettle; adding activated carbon, stirring and decolorizing for 8-15 minutes; carrying out filter pressing, namely pressing filtrate into a neutralization and crystallization reaction kettle; controlling the material temperature at 80-85 DEG C, dropwise adding a hydrochloricacid solution within 45-60 minutes, and adjusting the pH value to 1.8; slowly stirring and growing crystal for 30 minutes; controlling the temperature of the materials to be 80-85 DEG C, and continuously dropwise adding a hydrochloric acid solution to adjust the pH value to be 1.0; slowly stirring and growing crystal for 60 minutes; discharging, separating crystals and mother liquor, and spin-drying; washing with water, spin-drying, discharging, crushing, and drying at 110-120 DEG C until the water content is less than or equal to 1.0%; and collecting powder to obtain a sulfaquinoxaline dry product.

The invention provides an immunochromatographic test strip capable of simultaneously detecting residues of two veterinary drugs such as sulfaquinoxaline and norfloxacin. The immunochromatographic teststrip comprises a sample pad, a conjugate pad, a nitrocellulose membrane, an absorbent pad and a PVC (Polyvinyl Chloride) backing plate, and is characterized in that the sample pad, the conjugate pad, the nitrocellulose membrane and the absorbent pad are sequentially adhered onto the PVC backing plate; one half of the conjugate pad covers the nitrocellulose membrane; the sample pad partially covers the conjugate pad; the absorbent pad partially covers the nitrocellulose membrane; a quality control line and two detection lines are arranged in parallel on the nitrocellulose membrane. The invention further discloses a preparation method of the test strip based on two visual colors. The immunochromatographic test strip disclosed by the invention has the outstanding advantages that the immunochromatographic test strip capable of simultaneously detecting the residues of the veterinary drugs such as sulfaquinoxaline and norfloxacin in the invention is realized by utilizing a specific antigen-antibody reaction. Therefore, the test strip is high in specificity and excellent in sensitivity.

The invention relates to a compound sodium sulfaquinoxaline composition for treating coccidiosis in young rabbits. The compound sodium sulfaquinoxaline composition is prepared by mixing the following ingredients in parts by weight: 0.5-1 part of toltrazuril, 4-6 parts of sodium sulfaquinoxaline, 0.8-1.2 parts of trimethoprim lactate, 15-25 parts of sodium citrate, 1.5-2.5 parts of sodium carboxymethyl cellulose, 0.2-0.5 part of sodium sulfite, 0.2-0.5 part of EDTA (Ethylene Diamine Tetraacetic Acid)-2Na, and a plurality of parts of distilled water. The compound sodium sulfaquinoxaline composition has the beneficial effects of being reasonable in formula, and simple to prepare, unique in medicine application mode, obvious in curative effect, and having special effects in treating the coccidiosis in young rabbits, proved clinically.

The invention relates to an amprolium hydrochloride-ethopabate-sulfaquinoxaline medicine composition powder which is added with sodium carbonate as a cosolvent of sulfaquinoxaline, and aims to solve the problem of solubility. Aerosol is added as an anti-caking agent for reducing the air-slaking and caking phenomenon in the storage process and prolonging the effective period; meanwhile with addition of a sweet wormwood extract and / or antifebrile dichroa extract with anti-coccidium active components, the relative weight increase rate of chicken is increased, the oocyst discharge rate is reduced, and the intestinal tract diseases are reduced. The invention further relates to a preparation method of the medicine composition powder. The preparation method is simple to operate, free of residue in the preparation process, and capable of effectively preparing an amprolium hydrochloride-ethopabate-sulfaquinoxaline composition which is good in solubility, free of slaking or caking in the storage process, good in treatment effect and long in expiry date. The medicine composition powder is applied to preparation of medicines for treating avian coccidiosis and is remarkable in medicine effect.

The invention discloses a sulfaquinoxaline cobalt-nickel nano composite material and a preparation method thereof. According to the invention, a certain amount of a metal salt solution is added to a sulfaquinoxaline-containing organic ligand, and the obtained product is stirred at a certain temperature. After the treatments of microwave reaction, ultrasonic dispersion, centrifugal separation, washing, and drying, a corresponding metal-ligand nano composite material is obtained. The method is simple in preparation process, low in cost and suitable for mass production. Through selecting different solvents, controlling the amounts of reactants, the reaction time and the reaction temperature, the particle size of sulfaquinoxaline cobalt-nickel nano composite material and the dispersibility thereof are effectively controlled. The prepared sulfaquinoxaline cobalt-nickel nano composite material is a functionalized composite material containing cobalt and nickel, and is stable in performance. The material can be used for catalyzing the C-C bond coupling reaction, and is high in catalytic efficiency. Therefore, the sulfaquinoxaline cobalt-nickel nano composite material has a wide application prospect in the catalysis field.

The invention relates to a sulfaquinoxaline electrochemical aptamer sensor preparation method based on an internal circulation amplification strategy, which comprises the following steps: preparing a bimetal-coated aminated biconical metal material by using a hydrothermal method, and growing bimetal nanoparticles on the surface of the metal material by using a reducing agent to prepare an aminated biconical metal material@bimetal nano material, synthesizing an ultrathin strip-shaped nano material through a hydrothermal method, modifying the nano material to the surface of a gold electrode through a gold ammonia bond to obtain an aminated biconical metal material@bimetal / ultrathin strip-shaped nano material / gold electrode, and forming a DNA double-chain structure in vitro, indicating the content of sulfaquinoxaline in a sample through the response change of signal molecules, and obtaining the electrochemical aptamer sensor based on the internal circulation amplification strategy for sulfaquinoxaline detection. Compared with other electrochemical sensors for detecting the content of sulfaquinoxaline, the prepared electrochemical aptamer sensor based on the internal circulation amplification strategy has the advantages of being high in sensitivity, good in repeatability and high in accuracy.

The invention relates to an amprolium hydrochloride-ethopabate-sulfaquinoxaline medicine composition powder which is added with sodium carbonate as a cosolvent of sulfaquinoxaline, and aims to solve the problem of solubility. Aerosol is added as an anti-caking agent for reducing the air-slaking and caking phenomenon in the storage process and prolonging the effective period; meanwhile with addition of a sweet wormwood extract and / or antifebrile dichroa extract with anti-coccidium active components, the relative weight increase rate of chicken is increased, the oocyst discharge rate is reduced, and the intestinal tract diseases are reduced. The invention further relates to a preparation method of the medicine composition powder. The preparation method is simple to operate, free of residue in the preparation process, and capable of effectively preparing an amprolium hydrochloride-ethopabate-sulfaquinoxaline composition which is good in solubility, free of slaking or caking in the storage process, good in treatment effect and long in expiry date. The medicine composition powder is applied to preparation of medicines for treating avian coccidiosis and is remarkable in medicine effect.

The invention discloses a medicine for treating coccidiosis in chicken and a preparation method of the medicine. The medicine comprises composition A, composition B and composition C, wherein the composition A is prepared from the following raw materials: garlic, rhizoma zingiberis recens, sporocarp of ganoderma lucidum, fructus mume, fructus cannabis, herba hedyotis diffusae, herba dendrodii officinalis, herba andrographitis, radix bupleuri, herba euphorbiae humifusae, herba commelinae and herba taraxaci; the composition B is prepared from the following raw materials: compound sulfametoxydiazine, sulfaquinoxaline, sulfamethoxine, sulfamonomethoxine, sulfamethazine, sulfaclozine, trimethoprim-diaveridine and trimethoprim; the composition C is prepared from the following raw materials: vitamin A, vitamin K, glucose, amino acid, and vitamin C. Accord to the medicine, dosage of antibiotics and chemical synthetic medicines is reduced, traditional Chinese medicines and conditioning medicines are added, so that medicine resistance is not generated easily, excessive residues of antibiotics and chemical synthetic medicines are prevented, and prevention and treatment of the disease are safe and effective.

The invention discloses a method for extracting sulfaquinoxaline from an animal sample and a special immunoaffinity absorbent thereof. The immunoaffinity absorbent for extracting the sulfaquinoxaline from the animal sample consists of a solid phase carrier and a sulfaquinoxaline monoclonal antibody which is coupled with the solid phase carrier; and the sulfaquinoxaline monoclonal antibody is obtained by taking a conjugate of sulfaquinoxaline semiantigen and carrier protein as immunogen. The purification method combines a chromatography to efficiently detect the content of a sulfaquinoxaline medicine, remedies the disadvantages that the direct assay of samples by a single immunoassay technology has small information amount, poor quantification accuracy, or low selectivity of physical and chemical methods and so on, and embodies the complementarity of an immunology technology and the prior physical and chemical technologies on an analysis mechanism.

The invention discloses a method for quickly and quantitatively detecting sulfaquinoxaline residue. The method comprising the following steps: establishing by utilizing the feature that sulfaquinoxaline aqueous solution shows the stable absorption peak under the ultraviolet specific wavelength, wherein the content of the sulfaquinoxaline and an optical absorbance value thereof is in direct proportion, and the direct proportion variation trend is presented in a coordinate system, establishing a standard curve according to the coordinate system, and solving a regression equation Y=aX+b(b=0), and substituting an optical absorbance average value measured through the to-be-detected sample into the regression equation to compute the sulfaquinoxaline content of the sample, thereby reaching an aim of quickly and quantitatively detecting the sulfaquinoxaline residue.

The invention discloses a preparation method of high-purity sulfaquinoxaline. The method comprises the following steps: S1, respectively weighing 200-250 kg of a sulfaquinoxaline crude product, 650-750 liters of water, 1000-1100 liters of ethanol, and 80-100 kg of industrial liquid caustic soda, mixing and stirring weighed sulfaquinoxaline crude product, water and ethanol, heating to 40-45 DEG C,adding weighed industrial liquid caustic soda, mixing, stirring and dissolving. By adding an alcohol organic solvent; organic impurities of sulfaquinoxaline are dissolved; and refining, filtering andseparation are performed to obtain a sulfaquinoxaline refined product with high purity and a low impurity content. The HPLC (High Performance Liquid Chromatography) purity of sulfaquinoxaline can be higher than 99% by the preparation method disclosed by the invention; the content is higher than 99.5%, the impurity content is lower than 0.1%, the requirements, which becomes higher and higher, on veterinary drugs can be met, meanwhile, the whole preparation process is simple, the operation process is simple, the product quality is high, the solvent is convenient to recycle, and the preparation method is suitable for industrial large-scale production.

The invention discloses a nickel micro nanoparticle and a preparation method thereof. The preparation method comprises the following steps: adding a certain quantity of nickel salt solution into a solution which contains sodium sulfaquinoxaline, performing centrifugation on products after reaction and aging at a certain temperature, leaving precipitate, washing the precipitate respectively with deionized water and ethanol, performing ultrasonic dispersion, and drying, so as to prepare the corresponding sulfaquinoxaline nickel micro nanoparticle. According to the preparation method, the preparation of metal micro nanoparticles through reaction to different nickel salts and sulfaquinoxaline is successfully realized, metal-ligand micro nanoparticles with uniform particle size are obtained, and excellent physical and chemical properties are provided. The sulfaquinoxaline nickel micro nanoparticle as a catalyst has good catalytic activity and wide application prospects in the field of catalysis. In a whole preparation process, the operation is simple, the cost of raw materials is low, the equipment investment is low, and mass production is facilitated.

The invention provides a composite photocatalytic fiber and a preparation method thereof, which includes the following steps: spinning the composite photocatalyst and a polyester polymer to obtain raw fibers; and exposing the composite photocatalyst inside the raw fibers. , to obtain composite photocatalytic fibers. The invention uses polyester polymer and composite photocatalyst as raw materials. After spinning the raw materials into raw fibers, the composite photocatalyst in the raw fibers is exposed, so that the fibers have photocatalytic activity. Experimental results show that the composite photocatalytic fiber provided by the present invention has a very high degradation rate of sulfaquinoxaline and can completely degrade all sulfaquinoxaline in about 2.5 hours; with a cycle of 5 minutes, after 15 cycles Afterwards, good degradation activity can still be maintained.

The invention discloses a sulfaquinoxaline process wastewater recycling method, which comprises the following steps: firstly, mixing and stirring sulfanilamide, 2-chloroquinoxaline and potassium carbonate, and then sequentially carrying out activated carbon decoloration, filtration, neutralization precipitation and filtration to prepare solid sulfaquinoxaline and process wastewater, adding dichloromethane into the process wastewater to extract organic matters in the process wastewater so as to form a water phase and an organic phase, and finally respectively treating the water phase and the organic phase, the industrial sulfanilamide and sulfaquinoxaline mixture capable of being repeatedly used for condensation reaction, high-purity potassium chloride solid, reusable dichloromethane and recyclable secondary mother liquor are respectively obtained, so that zero discharge of process wastewater is realized, wastes generated in the production process are harmless, the discharge amount of pollutants is reduced, and the production cost is reduced. The environment is effectively protected and resources are saved.

The invention discloses catalytic oxidation application of sulfaquinoxaline cobalt compound. The compound is characterized by being cobalt compound with catalytic oxidation activity on benzoin; a molecular formula of the cobalt compound is C38H32N10O5S2Co, a crystal system is monoclinic, a space group is P2(1) / c, cell parameters are shown in a following image, the alpha is equal to 90 degrees, thebeta is equal to 100.848 degrees, and the gamma is equal to 90 degrees. The compound is prepared from cobalt salt, sulfaquinoxaline and 2,2'-dipyridyl and by mixed reaction according to a certain proportion and has the advantages of defined spatial structure, accurate molecular formula and simple synthesizing steps. The prepared cobalt compound disclosed by the invention shows good catalytic oxidation activity on benzoin and has a wide application prospect of serving as a potential catalytic active material.