70 results about "Sodium iodate" patented technology

The invention relates to a method for growing a large-size vanadium sodium iodate crystal by using a hydrothermal method. A Na-containing compound, a V-containing compound and an I-containing compound are used as raw materials in the method for growing the large-size vanadium sodium iodate crystal by using the hydrothermal method; and the crystal is grown in two manners, namely spontaneous nucleation and adoption of a seed crystal. According to the method, successful raw material proportion and growth processes are provided, growth of the massive crystal with a crystal plane is realized, and the maximum size of the crystal exceeds two centimeters.

The invention provides a preparation method of a rhesus monkey retinal degeneration model. The method comprises: applying sodium iodate with a dosage of 15 to 75 mg/kg to a rhesus monkey. The invention also provides a method for screening drugs for treating retinal degeneration. According to the invention, for the first time, sodium iodate is applied to the rhesus monkey by intravenous injection for constructing a primate retinal degeneration model, an appropriate molding dosage is selected, and a systemic model assessment system is established.

The invention discloses a polishing solution based on polishing process of metal Mo, preparation method and application of the polishing solution. The polishing solution comprises the following components by weight percent: 0.1-10% of an oxidizing agent, 0.001-5% of surfactant, 0.01-10% of pH value regulator, 1-10% of abrasive and the balance of water, wherein the pH value of the polishing solution is 2.0-7.0; the oxidizing agent is selected from more than any one of potassium iodate, sodium iodate, calcium iodate and barium iodate. The preparation method of the polishing solution provided by the invention is simple, the polishing solution is high in polishing speed on the Mo, the static corrosion speed is low, and the polishing on the Mo has excellent planarization efficiency. The polishing solution provided by the invention can be used for polishing the Mo, the alloy of the Mo, or the compound of the Mo.

The invention discloses a method for producing sodium periodate. The method comprises the steps of preparation of trisodium dihydrogen periodate, preparation of sodium periodate, crystallization and separation, centrifugal dehydration and drying, wherein the preparation step of the trisodium dihydrogen periodate sequentially comprises the steps of preparation of sodium hydrogen iodate, preparation of sodium iodate and oxidation with sodium persulfate. The trisodium dihydrogen periodate is obtained by reacting sodium chlorate and iodine in an aqueous solution to produce the sodium hydrogen iodate, neutralizing the sodium hydrogen iodate by using sodium hydroxide to obtain the sodium iodate and oxidizing the sodium iodate in the sodium hydroxide solution by using the sodium persulfate, so that the method for preparing the trisodium dihydrogen periodate by using chlorine, iodine and sodium hydroxide in the prior art is abandoned, and the production method is stable in reaction, easy to control and high in production safety degree. Compared with a chlorine oxidation method, the method has the advantages of low consumption of raw materials, small amount of discharged waste liquor and environment friendliness.

The present invention provides a technique for recovering gold from a gold iodide liquid waste. The technique comprises a first step of preparation of a mixed system of sodium iodate, sodium iodide and water, a second step of acquisition of a complex salt of Au(I) and Au(I3) under the action of the mixed solution prepared in the first step and a pro-oxidant, a third step of extraction of coarse gold dust, and a fourth step of purification of refined gold dust. In comparison with the prior art, in the above iodide gold-leaching method, a recovery rate of gold and the purity of the recovered gold are greatly raised, meanwhile, the technique is simple in operating process, harms caused by chemical compounds related in the technique to the environment are small, and the cost is low. Therefore, the production cost is reduced and the production efficiency is raised. Moreover, iodine can be recycled and reused, thereby further saving the production cost.

The present invention discloses a preparation method for fragrant washing powder added with enzyme, and belongs to the field of detergent products. According to the product of the present invention, soda powder, sodium alkyl benzene sulfonate, layered crystal sodium disilicate, toluene sodium iodate, carboxymethyl cellulose, alkaline protease, essence, a bleaching promoter and a scale dispersing agent are adopted as raw materials, and a specific process is adopted to prepare the fragrant washing powder added with enzyme, wherein the fragrant washing powder added with enzyme has a good detergency effect, provides special functions for remove of specific scales (such as juice, ink, blood stain, milk stain, gravy, milk, soy sauce stains, and the like), and has effects of sterilization, whitening, color protecting and brightening. In addition, the washing powder of the present invention has characteristics of white color and uniform particle, the washed clothes has fragrance, and the washing powder of the present invention is suitable for hand washing and washing machines.

The invention discloses a method for making a dry age-related macular degeneration disease model on a primate, namely applying sodium iodate onto the primate with a carotid artery injection method. The method is simple and easy, high in success rate and good in repeatability. The model made with the method is stable. The amount of sodium iodate needed is small, injury of large doses of sodium iodate to the whole body of the animal is avoided, and the animal can live for a long time so that follow-up tests can be made possible. A model of any one side or a model of double sides can be made as needed. When the one-side model is made, a lateral eye can not be hurt at all, and normal living vision of the animal is guaranteed. Comparison of two lateral eyes of one animal can be conducted to provide credibility for the test, and the number of animals needed for the test is reduced. The method provides a sound tool for the dry age-related macular degeneration research and has great significance for the pathological physiology research and treatment research of the disease.

An object of the present invention is to provide a method for producing a non-human primate model of AMD, a method for evaluating the efficacy of a test substance in the prevention or treatment of AMD using the AMD animal model produced according to this method, and a method for screening substances effective in the prevention or treatment of AMD using the aforementioned AMD animal model. The method for preparing the AMD animal model consists of administering sodium iodate into a vitreous body of a non-human primate, and the method for evaluating the efficacy of a test substance in the prevention or treatment of AMD consists of preparing a non-human primate model of AMD according to the aforementioned method for preparing an AMD animal model, and evaluating the efficacy of the test substance in the prevention or treatment of AMD using the resulting AMD animal model.

The invention relates to a method for removing odor of refined salt through ferric salt, and belongs to the technical field of salt chemical engineering. According to the method, the chemical process and the homogeneous catalytic oxidation principle are utilized, sodium ferrate (Na2FeO4) serving as an oxidant and sodium iodate serving as a catalyst are added to brine to treat organic acid in an oxygenolysis manner, and then sodium carbonate serving as a coprecipitator is added, so as to reach the purpose of removing the odor. The method can be used for removing the odor of the refined salt, and is low in cost, innocuous and unpoisonous to human body, environmentally-friendly and beneficial for industrial application.

The invention relates to a flake silver @ silver iodate visible light photocatalyst and a preparation method thereof. The preparation method comprises the following steps: respectively dissolving sodium iodate or potassium iodate and silver nitrate in water, adding one solution into another solution under the stirring condition so as to generate suspension of silver iodate; dripping hydrazine hydrate, sodium borohydride and other aqueous solutions containing reducing substances into the obtained suspension, irradiating the suspension under illumination of a xenon lamp of 300W for 5-30 minutes by adopting a photoreduction method, generating metal silver nanoparticles on the surfaces of silver iodate particles in situ, and finally, filtering the precipitate, washing and drying to obtain the flake silver @ silver iodate visible light photocatalyst. The method can be implemented at room temperature and under normal pressure, the cost is low, the equipment is simple and easy to operate, large-scale production can be realized, and the method has significant potential application in the aspect of industrial production. The prepared flake silver @ silver iodate photocatalytic material has high photocatalytic performance, the elemental silver and silver iodate generated due to in-situ reduction are firmly bound, and separation of photon-generated carriers is obviously improved.

The invention relates to a preparation method of a polybrominated biphenyl ether monomer. The method comprises the steps that iodine is oxidized by sodium iodate and is subjected to reaction with bromobenzene to obtain a series of diaryl iodonium salt, and the diaryl iodonium salt and the bromobenzene are subjected to reaction under catalysis of alkali, and polybrominated biphenyl ether is obtained. According to the method, any type of polybrominated biphenyl ether monomer can be prepared, and the method can support detection and activity researches of the type of compounds.

The invention discloses novel mercury-free environmentally-friendly hematoxylin dyeing liquid and a preparation method thereof and belongs to the technical field of a pathological experiment. The dyeing liquid is mainly prepared by the following raw materials: hematoxylin, a mordant reagent, an oxidizing agent, acid, ethylene diamine tetraacetic acid disodium salt, iso-tridecanol polyoxyethylene ether, glycerin and water; a Mordant is any one of aluminum potassium sulfate dodecahydrate, aluminum sulfate, ferric trichloride and copper sulfate; the oxidizing agent is any one of sodium iodate andpotassium permanganate; the acid is any one of acetic acid, hydrochloric acid and citric acid. The novel mercury-free environmentally-friendly hematoxylin dyeing liquid disclosed by the invention successfully solves the problem of HE dyeing troubled in the medical pathological diagnosis field for a long term, for example, hematoxylin dyeing liquid is poor in stability and short in shelf life, isprovided with a metal film, has dye residues, foams and is unclear in corpuscular contrast, unclear in level and dark in nuclear dyeing color and the like.

The invention discloses organic and inorganic fertilizers prepared from waste mash of alcohol and used for navel orange planting and a method, belonging to the technical field of fertilizers used in agriculture and forestry. The organic and inorganic fertilizers comprise the following raw materials: biomass materials, waste mash of alcohol, sodium iodate, sodium dodecyl benzene sulfonate, magnesium nitrate, copper sulfate, gypsum and potassium humate. The method comprises the following steps: introducing methanol steam into the biomass materials and carrying out microwave heating; then mixing the biomass materials with the waste mash of alcohol and carrying out airtight soaking, then introducing an activation gas for activation, adding gypsum after cooling the mixture to the room temperature and stirring the materials uniformly, thus obtaining a material mixture; adding sodium iodate, sodium dodecyl benzene sulfonate, magnesium nitrate, copper sulfate and potassium humate to the material mixture, stirring the materials uniformly and then drying the mixture and grinding the mixture, thus obtaining the organic and inorganic fertilizers used for navel orange planting. By using the organic and inorganic fertilizers, healthy growth of navel oranges can be obviously promoted, the yield-increasing effects are obvious, the crop quality is thoroughly improved, and crops have strong seedlings and developed root systems, are not infected with plant diseases and insect pests and have strong stems and leaves and high yields.

The invention relates to a pathological tissue section staining kit, which belongs to the field of pathological tissue section staining and comprises a section dewaxing solution, a conversion solution, a cleaning solution, a differentiation solution, a blue returning solution, a hematoxylin staining solution, an eosin staining solution and a mounting medium, the invention provides the novel pathological tissue section staining kit which is simple in component, good in effect and low in toxicity, and the preparation method, and the kit is mainly used for pathological tissue H&E staining. The method is characterized in that 1, the harm of traditional dyeing reagents such as dimethylbenzene and alcohol to an operator is reduced; 2, the pollution to the environment is reduced; 3, extra deionized water does not need to be introduced in the dyeing process; 4, a differentiation solution and a blue returning solution are designed by adopting a buffer system, so that the effect is milder, and the coloring effect of H&E dyeing is clearer and brighter; and 5, compared with a traditional hematoxylin formula, beta-cyclodextrin is introduced into the kit to neutralize a product iodine reduced by sodium iodate, so that the dyeing capability of the staining solution is improved, and meanwhile, a reducing agent dibutylated hydroxytoluene is introduced, so that the service life and the shelf life of the staining solution are prolonged.

The invention discloses a production method of a model for retinitis pigmentosa disease on a primate. A certain dosage of sodium iodate is applied to the primate by a way of carotid artery injection. The production method disclosed by the invention is easy and feasible, high in success rate of model production, good in repeatability, and stable in model; the needed drug amount of sodium iodate is less, so that the damage of a large dosage of sodium iodate to the whole body of the animal is avoided, and the animal lives for a long time so as to provide possibility for follow-up tests; the model for any one side or two sides can be produced according to needs; the production of the model for one side cannot cause any damage to a fellow eye so as to ensure the eyesight of the animal for normal life; the self-control study on bilateral eyes can be carried out on one animal so as to provide the credibility of the tests, and reduce the number of required experimental animals. The production method disclosed by the invention provides a good tool for the research on the retinitis pigmentosa, and has important significance for both pathophysiology research and treatment research of the disease.

The invention discloses a modified polyurethane soap-free emulsion for leather finish. The modified polyurethane soap-free emulsion comprises components as follows: 20-30 parts of a waterborne polyurethane emulsion, 3-6 parts of a K2S208 initiator, 10-20 parts of 3-allyloxy-2-hydroxypropyl sodium iodate, 25-35 parts of water soluble epoxy resin and 20-28 parts of polyacrylamide, wherein the waterborne polyurethane emulsion is prepared with an ultrasonic dispersion method. The invention further discloses a preparation method of the modified polyurethane soap-free emulsion for leather finish. The preparation method comprises steps as follows: (1), preparation of the waterborne polyurethane emulsion; (2), preparation of the modified polyurethane soap-free emulsion. The product provided by the invention is environment-friendly, has high solid content, good film forming property, excellent coating compactness and wear resistance and high emulsion stability, and is suitable for a leather finishing agent, the preparation method of the modified polyurethane soap-free emulsion has low cost, the process is reasonable, and large-scale production can be facilitated.

The invention relates to the technical field of sterilization and disinfection products, and especially discloses a trichloroisocyanuric acid fog disinfectant. The trichloroisocyanuric acid fog disinfectant is prepared by mixing trichloroisocyanuric acid, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, tartaric acid, adipic acid, potassium chlorate and sodium iodate according to a certainweight ratio. The trichloroisocyanuric acid fog disinfectant has the advantages of safety in use, good stability, high sterilization efficiency, simple production method, low production cost and wideapplication range, can be used for hygiene disinfection in the edible fungus production process, can be used to disinfect fish ponds, swimming pools and tableware after being dissolved in water, and is a fog and water dual-purpose multifunctional disinfectant.

The invention provides an H-E dyeing liquid for a pathological tissue dyeing machine, and relates to the technical field of biological preparations. The H-E dyeing liquid comprises modified hematoxylin dyeing liquid and modified eosin dyeing liquid, wherein the modified hematoxylin dyeing liquid comprises following components: sodium iodate, hematoxylin, aluminum potassium sulfate, anhydrous ethanol, formaldehyde, glacial acetic acid, and water; and the modified eosin dyeing liquid comprises following components: alcohol-soluble eosin, anhydrous ethanol, aluminum potassium sulfate, sodium iodate, water-soluble eosin, erythrosine, glacial acetic acid, formaldehyde, and deionized water. The using cost is reduced, the sample preparation time is shortened, the provided H-E dyeing liquid can evenly dye pathological tissues under the assistance of a pathological tissue dyeing machine, the structure of dyed pathological tissues is clear, the color of cells is bright, and the observation on slides of pathological tissues becomes easy in clinic.

The invention discloses a hematoxylin staining solution. The hematoxylin staining solution comprises the following components: 90ml of isopropanol, 20ml of methanol, 50-80ml of alcohol, 13ml of aceticacid, 37g of aluminum sulfate, 3.5g of hematoxylin, 0.5g of sodium iodate, 7g of sodium chloride, 3g of disodium hydrogen phosphate, 0.4g of sodium azide, 0.3g of dodecyl dimethyl benzyl ammonium bromide, and 750-850ml of water. The invention further provides a preparation method of the hematoxylin staining solution. The preparation method of the hematoxylin staining solution is simple, a staining process is safe, staining operation is simple and convenient, and the staining solution achieves high staining capability and a long preservation cycle.

The invention discloses a preparation method of a rabbit retinitis pigmentosa model. The preparation method includes steps of applying a certain concentration and dosage of sodium iodate to a rabbit through a method of carotid artery injection, so that the sodium iodate reaches the rabbit's eyes. Through above method, the sodium iodate dosage is few, and toxicity to the whole animal body is small, the animal life safety is not influenced; the method is simple and feasible, good in repeatability, small in individual model difference, and high in success rate. The preparation method provides a reliable model for the study of the retinitis pigmentosa, and also provides an animal model for the drug research and development and preclinical evaluation for treating retinitis pigmentosa.

The invention relates to a pathological section staining composition of ovarian cancer. The composition is prepared from hematoxylin, absolute ethyl alcohol, aluminium potassium sulfate, sodium iodate, glacial acetic acid, ferrous sulfate, ferrous sulfate chitosan PLGA double microspheres and distilled water. According to the composition, the components of the hematoxylin staining fluid are simple, the cost is low, the staining fluid is safe and effective and has no toxic and side effects on the human body, in the preparation process, there are no strict requirements on the dosage of oxidizingagent and the oxidation time, the difficulty of preparation is effectively reduced, the consumed time for preparation is obviously shortened, after preparation of the staining fluid is completed, thestaining ability can be maintained for a long time, no oxidation film and precipitation can be formed, the validity period of the hematoxylin staining fluid is greatly prolonged, the staining composition has an excellent staining ability for various pathological tissues, especially, the staining effect on the ovarian cancer is better, and nuclei, chromatin, nuclear membranes and nucleoli can be stained clearly.

The invention discloses magnetic polyurethane soap-free emulsion for coating. The magnetic polyurethane soap-free emulsion comprises the following components in parts by weight: 20-30 parts of waterborne polyurethane emulsion, 3-6 parts of a K2S2O8 initiator, 10-20 parts of 3-allyloxy-2-hydroxypropyl sodium iodate, 25-35 parts of water-soluble epoxy resin, 20-28 parts of polyacrylamide and 10-20 parts of composite magnetic packing, wherein the waterborne polyurethane emulsion is prepared through an ultrasonic dispersion method. The invention further discloses a preparation method of magnetic polyurethane soap-free emulsion for leather coating; the method comprises the following steps: (1) preparing the composite magnetic packing; (2) preparing the waterborne polyurethane emulsion; (3) preparing the modified polyurethane soap-free emulsion. The magnetic polyurethane soap-free emulsion provided by the invention is environment-friendly, high in solid content, good in film-forming property, excellent in coating compactness and abrasive resistance, high in emulsion stability and suitable for a leather coating agent. The preparation method is low in cost, reasonable in process and suitable for large-scale production.

The invention discloses an enoki mushroom culture medium and a method for co-producing enoki mushrooms and anoectochilus formosanus. The enoki mushroom culture medium comprises raw materials in parts by weight as follows: 92-108 parts of crushed rice stalk, 20-40 parts of orange juice, 15-22 parts of peanut cakes, 4-7 parts of potassium chloride, 3-6 parts of sodium nitrate, 3.5-6 parts of ammonium sulfate, 0.3-0.4 parts of sodium iodate, 0.6-0.8 parts of calcium nitrate, 0.8-1 part of magnesium sulfate, 0.3-0.5 parts of zinc nitrate, 0.3-0.4 parts of manganese chloride, 0.4-0.6 parts of sodium borate, 0.3-0.5 parts of sodium molybdate, 0.2-0.3 parts of ferric nitrate, 0.2-0.4 parts of copper chloride and water. The enoki mushroom culture medium is used for culturing enoki mushroom mycelia and lays a foundation for co-production of enoki mushrooms and anoectochilus formosanus.