52 results about "Potassium iodine" patented technology

The invention belongs to the field of pharmaceutical preparations, and relates to a multi-trace element injection and a preparation method thereof. The multi-trace element injection comprises effective components, a stabilizer and water, the effective components comprise chromium chloride, copper chloride, ferric chloride, manganese chloride, sodium molybdate, sodium selenite, zinc chloride, potassium iodide and sodium fluoride, and the stabilizer comprises xylitol, a pH regulator and an additive; and the additive is PEG (Polyethylene Glycol) 400 or PEG 600. The multi-trace element injection provided by the invention can effectively inhibit the loss of iodine in the sterilization process, and the stability, economical efficiency and production controllability of the multi-trace element injection are fundamentally improved.

To provide a mouthwash mixed with povidone iodine (PVPI), containing PVPI in a higher concentration than a conventional product (7%), and to provide a method for producing the same.SOLUTION: A method for producing a povidone-iodine-containing mouthwash containing povidone iodine in an amount of 10% by mass or more based on the total amount (100% by mass) of the mouthwash, the method comprising the steps of: 2.14 4.28, A method for producing a gargle, comprising the steps of: dispersing PVPI in PG to obtain a dispersion; and mixing the dispersion with a mixed solution a1 in which at least one selected from the group consisting of ethanol, glycerin, D-sorbitol solution (70%), saccharin sodium, and 1-menthol is dissolved in water, or a mixed solution a1 in which potassium iodine is further dissolved in the mixed solution a2.SELECTED DRAWING: None

The invention discloses a method for measuring dissolved oxygen in aquaculture tail water by a spectrophotometric method based on an iodine-ascorbic acid-potassium dichromate system, and belongs to the technical field of water quality detection. The method comprises the following steps: sequentially adding a manganese sulfate solution and an alkaline potassium iodide solution into a to-be-detected culture tail water sample, sealing a container, fully reacting, and standing after the reaction is finished to completely precipitate Mn2O3; adding a citric acid solution, sealing, reacting, completely dissolving the precipitate and releasing the iodine elementary substance, adding water and an ascorbic acid-potassium dichromate mixed color developing agent into the solution after the reaction is finished, fixing the volume, sealing, uniformly mixing, and carrying out a color developing reaction in a dark place; a blank sample is used for reference, the culture tail water subjected to color development is placed in a sample pool of a spectrophotometer, the spectrophotometric value of the sample is measured at the wavelength of 360 nm, and the dissolved oxygen concentration is calculated according to a standard curvilinear equation. The method provided by the invention reduces the detection limit of the traditional spectrophotometric method, and has the advantages of high sensitivity, strong anti-interference capability, high speed and rapidness in operation, wide application range, greenness and environmental protection.

The application relates to the technical field of electrocatalytic reduction of carbon dioxide, and provides a preparation method and application of a zinc-iodine diatomic pair (Zn-I / ICPs) carbon dioxide electro-reduction catalyst. The zinc-iodine diatomic pair is prepared by using nitrogen-doped carbon as a carrier and an in-situ gas-capturing MOF method, and the specific steps are as follows: first, ZIF-8 precursors are prepared by using zinc nitrate hexahydrate and 2-methyl imidazole as raw materials; then, the ZIF-8 and potassium iodide are co-pyrolyzed under a nitrogen atmosphere, the potassium iodide is used as an iodine source, zinc and iodine atoms are combined in an atomic dispersion form through a gas-phase doping mode, and a Zn-I diatomic pair is formed. The preparation method is simple and controllable, in the prepared Zn-I / ICPs, Zn sites and I sites successfully construct a synergistic catalytic center with complementary functions and electronic coupling, can effectively control an electrochemical microenvironment, accelerate water dissociation and proton transfer, and simultaneously highly effectively inhibit a hydrogen evolution side reaction, and the zinc-iodine diatomic pair can catalyze carbon dioxide electro-reduction to prepare carbon monoxide with high activity and high selectivity.

The application provides a method for separating thiophene compounds in petroleum oil products and application thereof, and the method comprises the following steps: S1: dissolving the petroleum oil product and an alkylating agent in a first solvent to obtain a dissolved oil sample; S2: loading a filler loaded with a catalyst into an adsorption column, transferring the dissolved oil sample into the adsorption column, standing, then sequentially eluting the adsorption column with a second solvent and a third solvent respectively, and collecting an eluent eluted by the third solvent; and S3: fully mixing the eluent with potassium iodide modified silica gel, filtering and collecting a filtrate, so that the thiophene compounds are separated. According to the method, the thiophene compounds in the petroleum can be separated with high purity and high yield, the operation condition of the method is mild, and the thiophene compounds in the petroleum oil products, especially in the high maturity crude oil, can be completely, efficiently and accurately separated.

The invention discloses a preparation method of a delta-aminoketone derivative, which comprises the following steps: reacting olefin, N-aryl sulfonyl aziridine, arylboronic acid, nickel iodide, 5, 5 '-dimethyl-2, 2'-bipyridine, formic acid, acetic anhydride, sodium carbonate and potassium iodide at 80 DEG C for 20 hours, and after the reaction is completed, performing post-treatment to obtain the delta-aminoketone derivative. According to the preparation method, olefin, N-aryl sulfonyl aziridine and arylboronic acid are taken as reactants, formic acid is taken as a carbonyl source, the reaction condition is mild, the operation is simple, the tolerance range of substrate functional groups is wide, and the reaction efficiency is high. Various delta-aminoketone derivatives can be synthesized according to actual needs, so that the method is convenient to operate, and the practicability of the method is widened.

The application discloses a method for detecting iodine content in diltiaxin bulk drug and a quality control method of the iodine content, and belongs to the technical field of drug detection and quality control, and comprises the following steps: preparing a control solution of potassium iodide; dissolving the to-be-detected substance in a hydrazine solution after combustion to prepare a test solution; performing liquid chromatography detection on the control solution and the test solution to obtain corresponding chromatograms; and calculating the iodine content in the to-be-detected substance according to the concentration and peak area of the control solution and the concentration and peak area of the test solution in the chromatograms. The application can quantitatively detect the residual iodine content based on the liquid chromatography detection method, the analysis result is reliable, and the application has the advantages of high detection precision, simple operation steps, high detection efficiency and the like.

This invention provides a method for preparing 1,2-diaminomethyl-cyclobutane-diiodoplatinum. The method includes: preparing crude 1,2-diaminomethyl-cyclobutane-diiodoplatinum using potassium chloroplatinate, potassium iodide, diaminomethylcyclobutane oxalate, and alkali metal hydroxide as raw materials; dissolving the crude product in a mixed solvent of N,N-dimethylformamide and acetonitrile; filtering to obtain a filtrate; adding water to the filtrate to induce crystallization and obtain 1,2-diaminomethyl-cyclobutane-diiodoplatinum; wherein the molar ratio of potassium chloroplatinate to potassium iodide is controlled at 1:12 to 1:20; and the molar ratio of diaminomethylcyclobutane to potassium chloroplatinate in diaminomethylcyclobutane oxalate is 0.95 to 1.15:1, etc., resulting in a purity of 1,2-diaminomethyl-cyclobutane-diiodoplatinum greater than 90%, thus solving the technical problem of low purity in existing technologies.

The application discloses an anti-fatigue composition for high-temperature environment and application, and belongs to the technical field of medicines.The anti-fatigue composition for high-temperature environment is composed of the following components in parts by weight: 15-45 parts of mung beans, 15-45 parts of adzuki beans, 15-45 parts of black beans, 5-15 parts of licorice, 5-20 parts of medlar, 2-12 parts of American ginseng, 0.3-1 parts of L-calcium lactate, 0.01-0.05 parts of zinc gluconate, 0.00005-0.0005 parts of potassium iodide, 0.0002-0.0015 parts of vitamin and 0.0001-0.001 parts of vitamin.The anti-fatigue composition for high-temperature environment can enhance the anti-heat stress capacity of mice exposed to high temperature, prolong the exhaustive swimming time of mice under high-temperature load and enhance the anti-fatigue capacity of mice in a high-temperature environment.

The invention belongs to the technical field of fire extinguishing materials. The invention provides a fire extinguishing material additive, an inorganic powder fire extinguishing material and a preparation method thereof, the fire extinguishing material additive comprises a first composition and a second composition, the first composition comprises polyoxyethylene, cellulose ether, diammonium hydrogen phosphate, urea, pentaerythritol, a leveling agent, a defoaming agent, silicone amide, potassium iodide and deionized water, the second composition includes hydrogen peroxide. According to the fire extinguishing material additive, inorganic powder is rapidly foamed at a high rate to form powder foam with the volume rate of 30-60 times to form foam solids, the foam bodies have relatively high stability, and the inorganic powder fire extinguishing material has the effects of suffocation, isolation, wrapping and the like, can rapidly extinguish solid, liquid, gas, charged and cooking material fire extinguishing materials, and can be used as a fire extinguishing material for fire extinguishing. The fire behavior can be rapidly and effectively controlled, a fire source can be rapidly blocked, secondary pollution is avoided, and reburning is not prone to occurring.

The invention discloses a method for determining the content of phenol in an iron-dextran injection / solution through combination of iron-sodium dihydrogen phosphate precipitation impurity removal and back titration, and relates to the field of analytical chemistry. According to the method, pretreatment is realized through precipitation reaction of iron and sodium dihydrogen phosphate, and interference of iron ions in iron dextran on detection is eliminated. Phenol and bromine are subjected to a bromo-phenol reaction through a potassium bromate-potassium bromide system, excessive bromine and potassium iodide are subjected to a reaction to generate iodine, a sodium thiosulfate titration solution is used for titration by means of an iodometric method, and the content of phenol is calculated. The method does not need a precise instrument, is simple and convenient to operate, can simply, quickly and accurately measure the phenol content in the iron-dextran injection / solution, effectively solves the problem of the existing detection technology in the detection of the sample, fills the technical gap in the detection of the phenol content of the iron-dextran preparation in China, and has a good application prospect. And a brand new solution is provided for veterinary drug production quality control and related detection work.

The invention relates to the technical field of chemical synthesis of pesticides, in particular to a preparation method of a key intermediate-3-iodine-5, 5-dimethyl-4, 5-dihydroisoxazole of a high-efficiency herbicide pyroxasulfone, which comprises the following steps: by taking glyoxylic acid and hydroxylamine hydrochloride as initial raw materials, carrying out oximation reaction to obtain glyoxylic acid oxime; then efficiently completing an iodination reaction through a potassium iodide / iodine elementary substance system under a mild condition, and controlling the reaction process to reduce the generation of byproducts so as to obtain high-purity diiodoformaldoxime; and finally, carrying out addition reaction with isobutene under the condition of normal pressure to finally obtain the target product with high purity and high yield. The core innovation point of the invention is to develop and verify multiple types of novel iodination catalysts, solve the problems of excessive iodine source, poor selectivity and long reaction period in the traditional iodination reaction, and realize collaborative improvement of reaction efficiency, selectivity and economy. The method has the characteristics of more efficient route, more controllable conditions, safer operation, further improvement of yield and purity, higher cost advantage and the like, and the industrial application value is remarkably enhanced.

The invention discloses a rubber accelerator 3-methylpiperidinyl dithio sulfenamide piperazine as well as a preparation method and application of the rubber accelerator 3-methylpiperidinyl dithio sulfenamide piperazine. The method comprises the following steps: dissolving anhydrous piperazine in absolute ethyl alcohol under a stirring condition, adding an aqueous solution containing sodium hydroxide, stirring at room temperature, cooling, adding carbon disulfide stored in absolute ethyl alcohol, stirring, adding a proper amount of 4-methylpiperidine into the system, standing, dropwise adding iodine and potassium iodide which are dissolved in deionized water, continuing to react after the addition is completed, filtering, washing, and drying to obtain the 4-methylpiperidine. And filtering with deionized water, drying and crushing. The accelerator 3-methylpiperidyl dithiosulfenamide piperazine prepared by the invention has the characteristics of high vulcanization rate of a dithiocarbamate accelerator and moderate scorch period of a sulfenamide accelerator, and can solve the problem of rapid vulcanization of ethylene propylene diene monomer.

The application discloses a kind of based on physical-chemical synergistic foaming ultra-light thermal insulation material and preparation method thereof, belong to building thermal insulation material technical field.The ultra-light thermal insulation material based on physical-chemical synergistic foaming of the application, by weight parts, including the following components: light-burned magnesium oxide: 28-37 parts, magnesium sulfate heptahydrate: 18-26 parts, foaming agent: 3.6-5.4 parts, thickening agent: 4.1-5.7 parts, modifier: 0.1-0.4 parts, hydrogen peroxide: 1.5-2.3 parts, potassium iodide: 0.6-1.3 parts, water 45-58 parts.The light thermal insulation material of the application is greatly reduced to 60-80kg / m 3 , and 7d strength is greater than or equal to 100kPa, A-grade non-combustible, thermal conductivity is less than or equal to 0.038W / (m·K), effectively solve the problem that the specific gravity of existing cement-based thermal insulation material is high and thermal conductivity is large, greatly improve the popularization and application of cement-based thermal insulation material.

The present application relates to the technical field of wound gel, in particular to a kind of wound antibacterial disinfectant gel and preparation method thereof.Preparation raw materials of the wound antibacterial disinfectant gel include the following components by weight: PCA-HBPG 4-6 parts, modified chitosan 6-9 parts, 3-amino phenylboric acid 1.5-2 parts, iodine 0.6-0.9 parts, potassium iodide 1.2-1.8 parts, curcumin 0.8-1 part, and the prepared antibacterial disinfectant gel has good bacteriostatic effect, and can promote wound healing.

The invention discloses a special fertilizer for drynaria fortunei planting and a preparation method thereof. The special fertilizer comprises a leaf fertilizer for drynaria fortunei spraying and an organic biological enzyme water-soluble fertilizer for drynaria fortunei rhizome, the spraying leaf fertilizer is prepared from the following raw materials: potassium nitrate, ammonium nitrate, magnesium sulfate heptahydrate, monopotassium phosphate, calcium chloride dihydrate, manganese sulfate tetrahydrate, zinc sulfate heptahydrate, boric acid, potassium iodide, sodium molybdate dihydrate, copper sulfate pentahydrate, cobalt chloride hexahydrate, ferrous sulfate heptahydrate and ethylenediaminetetraacetic acid; the organic biological enzyme water-soluble fertilizer is prepared from the following raw materials: rapeseed cakes, melons and fruits, plant ash, soybean meal, industrial brown sugar, a microbial agent, proteolytic enzyme and cellulase. The leaf fertilizer is used for spraying leaf surfaces of drynaria fortunei seedlings, the organic biological enzyme water-soluble fertilizer is used for irrigating rhizomes of drynaria fortunei, growth of the drynaria fortunei seedlings can be effectively promoted, and it can be calculated according to the stem weight that the fresh weight of the drynaria fortunei seedlings per mu can reach 1252.4 kg or above under the condition that the seedlings are 10000 per mu.

The invention provides a method for detecting reducing sugar in fermented grains based on a titrator, which is used for quantitatively analyzing reducing sugar in a fermented grain sample by adopting a full-automatic potentiometric titration technology in combination with an accurate chemical analysis method, and specifically comprises the following steps: S1, preparing an instrument and a reagent; preparing instruments and reagents required by detection; s2, preparing a solution; preparing a sodium thiosulfate standard solution, a sulfuric acid solution, a potassium iodide solution, a solution A and a solution B for later use; s3, sample treatment; treating a to-be-detected sample for later use; s4, determining the content of reducing sugar in the fermented grains through a full-automatic potentiometric titration method; sequentially carrying out pre-titration, blank titration and sample titration, and calculating to obtain a final result. The method has obvious advantages in the aspects of data management, operation convenience and the like, and can replace a manual titration method to be applied to determination of the reducing sugar content in the fermented grains.

The application provides a preparation method of a wastewater biochemical treatment accelerator with sepiolite as a carrier, sepiolite powder is prepared, sepiolite powder with 150-200 meshes and acidification activation is selected to ensure that the sepiolite powder has good pore structure and surface activity; manganese dioxide powder is added, 200 mesh manganese dioxide powder is added into the sepiolite powder, and the two are fully mixed to enhance the trace element adsorption capacity of the sepiolite and promote the formation of free ammonia; a metal salt solution is added, and ferrous sulfate, zinc sulfate, copper sulfate, nickel sulfate, potassium iodide, sodium molybdate, cobalt sulfate, sodium selenite and potassium fluoride are sequentially added to react, and the proportion of each component is ensured to be within a specified range. The product has excellent adsorption performance and long-acting slow-release characteristics, can significantly improve the growth environment of microorganisms, enhance the impact resistance and stability of the system, and is especially suitable for wastewater treatment scenes containing trace heavy metal pollutants or trace toxic substances, such as livestock and poultry breeding wastewater.

The invention discloses an organ maintenance liquid for repairing liver functions as well as a preparation method and application of the organ maintenance liquid. The feed additive comprises the following components: an oxygen-carrying component, succinyl gelatin, sodium chloride, sodium hydroxide, sodium bicarbonate, calcium gluconate, magnesium sulfate, chromium chloride, copper chloride, ferric chloride, manganese chloride, sodium molybdate, sodium selenite, zinc chloride, potassium iodide, sodium fluoride, isoleucine, leucine, lysine acetate, methionine, phenylalanine, threonine, tryptophan, serine, valine and histidine. The injection is prepared from arginine, alanine, asparaginic acid, cysteine, glutamic acid, proline, tyrosine, glycine, sodium hydrogen sulfite, heparin, methylprednisolone sodium succinate, broad-spectrum antibiotics, antifungal drugs, FXR agonists and sterilized water for injection. The oxygen-carrying component is washed red blood cells or concentrated red blood cells or artificial blood. The viscosity of the organ maintenance liquid is closer to that of plasma, the influence on the blood coagulation function and the renal function is avoided, and the organ maintenance liquid has higher safety, can treat ischemia reperfusion injury, repair the liver biliary tract function and remarkably reduce various inflammation indexes, and is used for ischemia-free liver transplantation.

This invention discloses the application of potassium iodide in reducing the fruit drop rate of pecans, belonging to the field of plant growth regulation technology. It provides a method for reducing the fruit drop rate of pecans using the aforementioned potassium iodide, comprising the following steps: applying potassium iodide solution to the junction of the pecan fruit and branch at the early stage of fruit development, 2-3 times, with an interval of 7-10 days between each application. This invention proposes the application of potassium iodide in reducing the fruit drop rate of pecans. Through statistical analysis, pecan morphology and anatomy, and tissue staining, the role of potassium iodide in controlling fruit drop was analyzed, demonstrating its application in reducing the fruit drop rate of pecans and slowing down the occurrence of fruit drop in Zhejiang pecans.

The invention belongs to the technical field of fabrics, and particularly relates to an antibacterial moisture-absorption breathable pure cotton fabric, a preparation method and application of the antibacterial moisture-absorption breathable pure cotton fabric in non-sensitization underwear. The fabric is prepared from cotton fibers and has good hygroscopicity and air permeability; reacting dimethylaminoethyl methacrylate with chlorinated modified nano-zinc oxide under the action of a catalyst potassium iodide to generate alkenyl modified nano-zinc oxide; alkenyl modified nano zinc oxide and methacryloylethyl sulfobetaine are subjected to graft copolymerization with cotton fibers under the action of a Ce (IV) salt initiator and under the acidic condition to obtain grafted cotton fibers, the cotton fibers are subjected to graft modification treatment, antibacterial components are introduced, and the antibacterial performance can be effectively improved; spinning the grafted cotton fibers into pure cotton yarns and then spinning the pure cotton yarns into pure cotton fabrics; the pure cotton fabric is subjected to antibacterial finishing of polyhexamethylene guanidine hydrochloride, and the antibacterial performance of the pure cotton fabric is further improved.

The invention provides a synthesis method of etifoxacin, and relates to the technical field of organic synthesis, and the synthesis method comprises the following steps: adding triphenylmethyl phosphorus bromide into a solvent, adding potassium tert-butoxide at 0-5 DEG C to obtain a suspension, preparing a 2-aminobenzophenone solution, reacting the suspension at room temperature for 30-40 minutes, adding the 2-aminobenzophenone solution into the suspension, and reacting for 30-40 minutes at room temperature to obtain the etifoxacin. Completely reacting to obtain a compound 2; dissolving the compound 2 in dichloromethane, dropwise adding ethyl isocyanate, heating to room temperature, and reacting to obtain a compound 3; mixing the compound 3, Selectfluor and a compound A, adding acetonitrile, and reacting at room temperature for 60-70 minutes to obtain a compound 4; and reacting the compound 4 and sodium borohydride in ultra-dry dimethyl sulfoxide at room temperature under the protection of nitrogen to obtain etifusin. The compound A is selected from any one of potassium iodide, Selectfluor, tetrabutylammonium chloride and tetrabutylammonium bromide. According to the invention, synthesis of etifusin is realized by a metal-free catalysis and green chemical method, and the yield is high.

The invention discloses a culture method for ginseng adventitious root in-vitro propagation. The method comprises the following steps: inoculating disinfected ginseng adventitious roots to a culture medium containing ammonium nitrate, potassium nitrate, monopotassium phosphate, calcium chloride dehydrate, magnesium sulfate heptahydrate, EDTA-disodium, ferrous sulfate, potassium iodide, sodium molybdate dehydrate, zinc sulfate heptahydrate, cobalt chloride hexahydrate, copper sulfate pentahydrate, boric acid, manganese sulfate tetrahydrate, glycine, inositol, nicotinic acid, vitamin B6, vitamin B1 and glutamine; the method comprises the following steps: carrying out suspension culture on a ginseng adventitious root liquid culture medium containing casein hydrolysate, IBA and cane sugar for 7 days, adding jasmonic acid and gibberellin, and culturing for 30-40 days to obtain proliferated ginseng adventitious roots. The method is beneficial to rapid growth of ginseng tissue culture adventitious roots and efficient synthesis of ginsenoside, and an effective way is provided for directional production of ginsenoside in a cell factory.

The application discloses a kind of carbon dioxide corrosion inhibitor based on mannich base and its preparation method and application, belong to petroleum chemical industry metal material protection technical field.Main agent mannich base is with 3-amino crotonitrile, 3-hydrazine quinoline, phenylacetone, cinnamaldehyde as main, it is prepared by condensation, mannich two-step reaction, its structure is as shown in formula A.The inhibitor includes by mass percentage:mannich base A 30~40%, alkylamine 8~16%, potassium iodide 0.3~0.6%, surfactant 10~20%, organic solvent 30~60%.Mannich base A synthesis is simple, post-treatment is convenient, molecule contains quinoline, pyrazole, carbonyl, double bond, phenyl functional group simultaneously, can be well adsorbed on carbon steel surface and form dense protective film to prevent the invasion of corrosive medium.Add alkylamine, potassium iodide, surfactant, organic solvent, water solubility increases after compounding, corrosion inhibition effect is enhanced.The corrosion inhibitor has the characteristics such as small amount, high efficiency, wide application range, and has wide application prospect in oil and gas production.

The invention belongs to the technical field of biology, and relates to plant nutrition stress, in particular to an application model and an implementation method for improving the nutrition stress of arabidopsis thaliana. The arabidopsis thaliana WT is Columbia type arabidopsis thaliana (Columbia / Col-0), and the used mutants are all mutated in the wild type plant. The applicant finds that hydrogen peroxide and potassium iodide have a good regulation effect on plant response nutrition stress through experiments, meanwhile, internal reasons are analyzed, according to the analysis result, the applicant provides a plant nutrition stress and active oxygen regulation and control model, and according to the model, a scheme for improving the resistance of plants under the nutrition stress is provided. By using the model and the corresponding processing method provided by the invention, the growth condition and chlorophyll content of the plant under nutrition stress can be effectively improved.

The invention belongs to the technical field of organic synthesis, and particularly relates to a metal-free reaction method for efficiently constructing a C-C-O bond based on glyoxylic acid, which comprises the following steps: by taking benzothiazole or a derivative thereof and glyoxylic acid monohydrate as reaction substrates, potassium iodide and potassium persulfate as synergistic catalysts and an alcohol compound as a solvent, stirring and reacting in the air; the benzothiazole-2-carboxylic ester and the derivative thereof are obtained. According to the invention, different alcohol solvents are used during the reaction to directly complete the modification of ester groups, so that the reaction steps are obviously simplified, the blank of ester compounds which are difficult to synthesize by some existing methods is filled, and the benzothiazole which is not pre-functionalized can be directly used as a substrate, so that the method is more economical and efficient than the traditional method. And a novel method is provided for esterylation of the nitrogen-containing heterocyclic compound.

The invention relates to the technical field of wound surface gel, in particular to wound surface antibacterial disinfection gel and a preparation method thereof. The preparation raw materials of the antibacterial and disinfection gel for the wound surface comprise the following components in parts by weight: 4-6 parts of PCA-HBPG, 6-9 parts of modified chitosan, 1.5-2 parts of 3-aminophenylboronic acid, 0.6-0.9 part of iodine, 1.2-1.8 parts of potassium iodide and 0.8-1 part of curcumin, and the prepared antibacterial and disinfection gel has a relatively good antibacterial effect and can promote wound healing.

The invention provides a thin-layer method for identifying caramel malt formula granules and application, and the thin-layer method for identifying the caramel malt formula granules comprises the following steps: preparing a contrast sample application sample by using caramel malt decoction pieces, and preparing a sample application sample for test by using the caramel malt formula granules, a developing solvent adopted by the thin-layer method is n-hexane-ethyl acetate-methanol with the volume ratio of 5: (9-11): 1, after sample application, a developing plate is placed in an ammonium hydroxide pre-saturated developing cylinder to be developed, taken out, aired, sprayed with a potassium iodide iodine test solution, volatilized to be dry and placed under the sunlight to be inspected. According to the method, the caramel malt decoction pieces are used as control decoction pieces, the specificity is high, and the method is suitable for identifying related preparations such as caramel malt aqueous extracts and formula granules.

The invention discloses a reverse osmosis phosphorus-free environment-friendly scale inhibitor, and belongs to the technical field of water treatment agents. The scale inhibitor comprises the following components in percentage by mass: 1%-5% of sodium carboxymethyl cellulose, 2%-8% of sodium lignin sulfonate, 3%-10% of an aminopropanesulfonic acid-acrylic acid copolymer, 4%-12% of a maleic acid-acrylic acid copolymer, 1%-6% of tartaric acid, 0.1%-1% of potassium iodide, 2%-7% of a first solvent, 1%-5% of a second solvent, 0.5%-3% of a corrosion inhibitor and 0.5%-2% of a pH regulator. Through innovative combination of a composite dispersion system, a bi-copolymer scale inhibition system, a chelation-corrosion inhibition synergistic system and a solvent-assistant adaptation system, full-demand coverage of scale inhibition-dispersion-corrosion inhibition-dissolution-stabilization is realized, and the scale inhibitor has the advantages of no phosphorus, environmental protection, high adaptability, high efficiency and low consumption; the defects of function fragmentation, poor environmental protection property and weak adaptability in the prior art are overcome, and the method can be widely applied to membrane treatment systems of reverse osmosis, nanofiltration and the like.

The present invention relates to a product enabling the formation of a solid implant in the body of a subject by injection, said product comprising a pharmaceutically acceptable base composition containing at least one solvent and at least one first polysaccharide soluble in said solvent, said base composition being capable of forming a precipitate upon contact with an aqueous solution, possibly saline. Characteristically, the product further comprises a given quantity of at least one pharmaceutically acceptable active substance selected from: - ionic bactericidal / antiseptic / antifungal agents soluble or miscible in said solvent such as eosin, methylene blue, and potassium iodide;- antibiotics, growth factors, hydroxyapatite, hormones, antitumor agents, antimitotic agents, topoisomerase inhibitors, anticancer agents and mixtures of at least two of said active substances, in particular in powder form; and - contrast agents and in particular radionuclides; said quantity of active substance is mixed with said basic composition or packaged separately from said basic composition, the mixture formed by said basic composition and said quantity of active substance has a viscosity which permits the injection of said mixture and said mixture forms a precipitate on contact with an aqueous solution, possibly saline.