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102 results about "Iodinated salt" patented technology
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Iodized salt. A salt containing a trace amount of sodium or potassium iodide in sodium chloride. It is an important source of iodine in the diet. Its use prevents goiter due to iodine deficiency.
Diaryl thioether compound, and synthetic method and application thereof
The invention discloses a diaryl thioether compound, and a synthetic method and an application thereof. Various diaryl thioether compounds can be obtained through a reaction of a reaction raw material high iodine salt in dimethyl sulfoxide at 60-100DEG C under the action of an odorless sulfuration reagent, an alkali, a metal catalyst and a ligand for 3-12h. Sulfur is introduced in the later stage, so poisoning of sulfur to the metal catalyst and incompatibility of an oxidant in the early stage reaction are avoided; the above inorganic sulfur source is nontoxic and odorless; and two aryl groups in the high iodine salt are fully used, so the atom economy of the method is fully shown. The diaryl thioether compound prepared through the method can be further used to synthesize a photoelectric material BTBT and an anti-inflammatory drug zaltoprofen.
Owner:EAST CHINA NORMAL UNIV
Iodine content on site rapid quantitative detection reagent in common salt added with iodine and preparation process thereof
InactiveCN101413894AMaterial analysis by observing effect on chemical indicatorPhosphoric acidIon exchange
The invention discloses a field rapid quantitative detection reagent for testing iodine content in iodized salt and a preparation technology thereof. The reagent is made from ion exchange water, potassium iodide, starch, phosphoric acid, formamide and sodium thiosulfate. The testing reagent is prepared by potassium iodide solution, starch solution and sodium thiosulfate standard solution, and diluted by carbon dioxide-free water with various auxiliary reagents according to testing standard such as an upper limit and a lower limit of the iodine content in the iodized salt, judgment for detecting non-iodized salt, and the like, which are regulated by national standard, and then on-site testing can be carried out. The detection reagent, a weighing instrument and a reagent adding device, and like, are combined together to form a field quantitative detection kit for the iodized salt. The invention has the advantages of convenient carrying, simple testing, and is suitably applied to professional, amateur and residents.
Owner:张质毅 +1
Aminoacids composite restrainer and method of use thereof
The invention relates to amino acid composite acid cleaning inhibiter and an application method thereof. The inhibiter consists of amino acid, iodized salt and hexadecyl trimethyl ammonium bromide, and the mixing ratio of the three components is 1-5: 1-5: 1-5; the inhibiter is used for industrial acid cleaning together with acid pickling solution, and the application method is as follows: the acid pickling solution is dilute sulphuric acid or dilute hydrochloric acid with 0.1m to 2m of concentration, the weight content of the inhibiter in the acid pickling solution is 0.001g / l to 2.0g / l, the acid cleaning temperature is 20 DEG C to 60 DEG C, and the acid cleaning time is 0.5h to 6h. The invention is mixed inhibiter with amino acid as the main component; amino acid can be well dissolved in water, has no toxin and harm to the environment, is capable of biodegradation, has high restraining efficiency, strong continuity capability and is very potential green inhibiter; in addition, the inhibiter has high efficiency, has no toxin and harm, small dosage and quite low production cost, and opens up a novel field for the safety and high-efficiency utilization of inhibiter.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Chicken prepared with chilli pepper and processing method thereof
The invention provides chicken prepared with chilli pepper which is prepared from chicken and auxiliary materials. The invention is characterized in that the chicken prepared with chilli pepper is prepared from the following materials in percentage by weight: chilli pepper is prepared from 55-60% of chicken, 8-10% of chilli pepper, 2-3% of ginger, 4-5% of garlic, 20-25% of vegetable oil, 0.5-0.7% of sesame powder, peanut powder, 0.5-0.7% of amonun fruit powder, 0.2-0.4% of black pepper, 0.2-0.4% of wild pepper, 1-4% of iodinated salt and 0.5-1.0% of monosodium glutamate. The chicken prepared with chilli pepper in vacuum package is subjected to high-temperature sterilization and disinfection without the addition of any preservative and has a long preservation period of 240 days. In the cooking process, chicken is firstly uniformly mixed with salt and monosodium glutamate to be salted so that water can be dissolved out of the chicken easily and flavors of salt and monosodium glutamate can permeate into the chicken easily; the chicken is dried by a fire firstly and then stir-fried in a pan in which auxiliary materials are well stir-fried so that flavors of the auxiliary materials permeate into the chicken completely, therefore the chicken can be stored for a long term and has strong fragrance; and finally the chicken prepared with chilli pepper is packaged and warehoused for be sold later. The chicken prepared with chilli pepper can be ate by consumers conveniently.
Owner:曲靖市沾益区贵火卢食品厂
Preparation process of sugar vinegar garlic
ActiveCN103947986AExtended shelf lifeGreat tasteFood ingredientsFood preparationIodised saltAcetic acid
A preparation process of sugar vinegar garlics comprises the following steps: a. raw material selection; b. sorting, peeling, and stem removal; c. grading; d. cleaning, and draining; e. salting, wherein 1, the salting materials comprise 100kg-200kg of fresh garlics, 100kg-150kg of water, 1kg-8kg of white sugar, 1kg-6kg of table salt (non-iodized salt), 1kg-8kg of glacial acetic acid, 0.01kg-0.1kg of acesulfame potassium (acesulfame K), and 0.1kg-0.5kg of potassium sorbate; 2, 1kg-6kg of table salt is added into 100 kg of garlics for salting, and the auxiliary materials of glacial acetic acid, white sugar, acesulfame potassium and potassium sorbate are added according to the proportions for salting; 3, the salted product is detected, and is packaged and sold when meeting national standard requirements; f. selection, and inner packaging; g. outer packaging; h. finished product stacking in a warehouse.
Owner:菏泽天鸿果蔬股份有限公司
Bismuth subnitrate and bismuth oxy iodide composite light catalyst, preparation method thereof and application of composite light catalyst
ActiveCN110302826AImprove separation efficiencyReduced trans-interface transfer impedanceWater/sewage treatment by irradiationWater treatment compoundsIodised saltSalt water
The invention relates to a bismuth subnitrate and bismuth oxy iodide composite light catalyst, a preparation method thereof and an application of the composite light catalyst. The method includes thesteps: 1) adding iodide salt water solution into a bismuth salt water solution according to the mole ratio of iodide salt to bismuth in bismuth salt at least containing bismuth nitrate of (0.5-1.5):1,and stirring mixture to obtain mixed solution; 2) transferring the mixed solution acquired in the step 1) into a high-pressure reactor, and performing hydrothermal reaction for 2-20 hours at the temperature of 100-200 DEG C to obtain the BiOI / Bi6O6(OH)3(NO3)3*1.5H2O composite light catalyst. The invention further discloses a light catalyst prepared by the method and an application of the light catalyst. The method is simple, the light catalysis activity of the prepared composite light catalyst is improved, and the removing ratio of rhodamine B in water can reach 95% or more under visible light.
Owner:CHANGSHA UNIVERSITY
Dicationic liquid chromatographic stationary phase and preparation method and application thereof
ActiveCN110746451AHigh column efficiencyGood reproducibilityGroup 4/14 element organic compoundsComponent separationAlkaneGas liquid chromatographic
Owner:DALIAN POLYTECHNIC UNIVERSITY
Bi5O7I nano sheet-shaped material, as well as preparation method and application thereof
InactiveCN107986330AAvoid hydrolysisUniform structureCatalyst activation/preparationBismuth compoundsGlycol synthesisVisible light sensing
The invention provides a Bi5O7I nano sheet-shaped material, as well as a preparation method and application thereof, and relates to the technical field of semiconductor photocatalytic materials. The preparation method comprises: dissolving a bismuth-containing compound and iodide salt in ethylene glycol, adjusting the pH of the solution to 8-10, and performing hydrothermal reaction. The method issimple in preparation process, low in cost, strong in controllability, and suitable for large-scale production. The Bi5O7I nano sheet-shaped material is prepared from the preparation method of the Bi5O7I nano sheet-shaped material, and has good visible light sensing capacity and phenolic pollutant degrading capacity.
Owner:GUANGDONG POLYTECHNIC OF ENVIRONMENTAL PROTECTION ENG
Electrochemical synthesis method of 5-arylthiouracil compound
ActiveCN111705329ASelectiveImprove compatibilityElectrolysis componentsElectrolytic organic productionElectrochemical responseElectrolytic agent
The invention discloses an electrochemical synthesis method of a 5-arylthiouracil compound. The method comprises the following steps: taking a hexafluoroisopropanol solution containing a uracil compound, aromatic thiophenol and iodized salt as an electrolyte, placing an anode and a cathode in the electrolyte, introducing a direct current, and carrying out electrochemical reaction to obtain the 5-arylthiouracil compound. The method has the advantages of mild conditions, simple operation, environment-friendliness, easily available raw materials, excellent compatibility of substrate functional groups, high reaction yield and the like.
Owner:HUNAN UNIV OF SCI & ENG
Diaryl iodide salt compound as well as preparation method and application thereof
ActiveCN109053499AEasy to synthesizeHigh yieldAntibacterial agentsSulfonic acids salts preparationStaphyloccocus aureusAntibacterial agent
The invention discloses a diaryl iodide salt compound, as shown in Formula I which is shown in the specification: wherein R1 and R2 are independently selected from hydrogen, halogen, alkyl, alkoxy, halogen-substituted alkyl, halogen-substituted alkoxy. The diaryl iodide salt compound designed and prepared by the invention as an antibacterial agent is simple in synthesis and high in yield, comparedwith commercially available isothiazolinone, has a relatively antibacterial property against escherichia coli, and has obvious advantage of antibacterial property against staphylococcus aureus.
Owner:上海邦高化学有限公司 +1
Iodizing agent and process for preparation thereof
InactiveUS7695707B2Reduce purification costsStable stateBiocideGallium/indium/thallium compoundsPhysical chemistryIodate salt
Owner:COUNCIL OF SCI & IND RES
Method for preparing chiral amine by asymmetric hydrogenation of imine
InactiveCN109422602AEasy to synthesizeSimple and efficient operationOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsContinuous operationIridium
The invention discloses a method for preparing chiral amine by asymmetric hydrogenation of imine. Chiral ferrocene phosphine-diformamidine imine reacts with a metal iridium precursor in situ to prepare a complex which is used as a catalyst, and asymmetric hydrogenation is carried out on imine under the existence of an iodine salt or elemental iodine and under the combined action of acid, so that the chiral amine is prepared. The proper usage amount of the catalyst is that the molar ratio of the raw material imine to the catalyst (S / C) is 100000-1000000. According to the method, ligand preparation is simple, the use amount of the catalyst is low, operation is simple and convenient, continuous operation can be realized, the method is suitable for large-scale preparation of chiral amine, andthe enantiomer excess value (ee value) of the product reaches 80% or above, so that the requirements that the product serves as a pesticide intermediate can be met. According to the method, an ideal result is obtained for synthesis of (S)-metolachlor intermediates, and the method has very good industrial practicability.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
Two-dimensional I-doped BiOIO3/g-C3N4 composite catalyst and preparation method and application thereof
ActiveCN110694662ASimple preparation processLow costPhysical/chemical process catalystsDispersed particle separationPtru catalystSolvothermal reaction
The invention discloses a two-dimensional I-doped BiOIO3 / g-C3N4 composite catalyst and a preparation method and application thereof. Urea is used as a raw material to prepare g-C3N4 nano-sheets through calcination; a bismuth salt and an oxidized iodine salt are used as raw materials to prepare BiOIO3 nano-sheets through a hydrothermal reaction; then the BiOIO3 nano-sheets are reacted with an inorganic iodide salt to prepare I-doped BiOIO3 nano-sheets; the I-doped BiOIO3 nano-sheets and the g-C3N4 nano-sheets are subjected to a solvothermal reaction to prepare the two-dimensional I-doped BiOIO3 / g-C3N4 composite catalyst. The two-dimensional I-doped BiOIO3 / g-C3N4 composite photo-catalyst promotes the separation efficiency of photo-generated carriers in I-doped BiOIO3 and g-C3N4, and effectively increases the survival life of photo-generated charges, and thereby the photo-catalytic activity is promoted. At the same time, expensive metal elements in metal semiconductor materials are replaced, and thereby the preparation cost is greatly reduced.
Owner:SUZHOU UNIV
Balanced iodized salt and processing method thereof
The invention provides a balanced iodized salt and a processing method thereof, and people can conveniently obtain calcium, potassium and selenium nutrients from the balanced iodized salt. The balanced iodized salt comprises an iodine element, edible salt, a calcium element, potassium chloride and a selenium element at a weight ratio of (7-30):(300,000-600,000):(1000-4000):(20000-200,000):(1-5). By utilizing the technical scheme, the calcium element, the potassium element and the selenium element are added to the edible salt to obtain the edible balanced iodized salt, so that people can conveniently take in the calcium, potassium and selenium nutrients from the substance; and the added nutrients are food additives and are easily absorbed by a human body, thus the edible balanced iodized salt is a new way to supplement the calcium, potassium and selenium nutrients.
Owner:中盐国本盐业有限公司
Method for purifying iodized salt-containing wastewater by using flowing electrode capacitive deionization device
ActiveCN112978874AEfficient removalEfficient purificationDispersed particle separationWater/sewage treatment by ion-exchangeCapacitanceCapacitive deionization
The invention discloses a method for purifying iodized salt-containing wastewater by using a flowing electrode capacitive deionization device, which adopts the flowing electrode capacitive deionization device to carry out adsorption treatment on the iodized salt-containing wastewater, and the flowing electrode capacitive deionization device comprises an anode flowing electrode chamber, a water inlet chamber and a cathode flowing electrode chamber, wherein the cathode flowing electrode chamber contains cathode flowing electrode liquid, and the cathode flowing electrode liquid comprises electrolyte, a conductive agent, a redox active substance and a solvent. The method for purifying the iodized salt-containing wastewater by using the flowing electrode capacitive deionization device has the advantages of simplicity in operation, low treatment cost, low treatment energy consumption, wide application range, high desalination efficiency, good desalination effect, stability in operation, continuous desalination, no secondary pollution and the like; the method can achieve a better purification effect on the iodized salt-containing wastewater on the premise of not increasing energy consumption and not causing secondary pollution, and has very important significance on low-cost, efficient and thorough treatment of the iodized salt-containing wastewater.
Owner:HUNAN UNIV
Electrochemical synthesis method of 1,3-dimethyl-3-difluoroethyl-2-oxindole compound
ActiveCN112301370ASelectiveImprove compatibilityElectrolysis componentsElectrolytic organic productionElectrolytic agentElectrochemical response
The invention discloses an electrochemical synthesis method of a 1,3-dimethyl-3-difluoroethyl-2-oxindole compound. The method comprises the following steps: by taking a hexafluoroisopropanol / water mixed solution containing difluoroacetic acid, N-methyl-N-arylacrylamide and an iodized salt as an electrolyte, placing an anode and a cathode in the electrolyte, introducing direct current, and carryingout electrochemical reaction to obtain a 1,3-dimethyl-3-difluoroethyl-2-oxindole compound. The method has the advantages of mild reaction conditions, simple operation, environmental protection, easily available raw materials, excellent compatibility of substrate functional groups, high reaction yield and the like.
Owner:HUNAN UNIV OF SCI & ENG
Electrochemical synthesis method of 3-phenylthio quinolinone
ActiveCN111910208AEasy to separate and purifyHigh selectivityElectrolytic organic productionElectrode shape/formsElectrolytic agentElectrochemical response
The invention discloses an electrochemical synthesis method of 3-phenylthio quinolinone. The method comprises the following steps: taking a hexafluoroisopropanol solution containing 4-quinolinone, thiophenol and an iodized salt as an electrolytic solution, placing an iron anode and a copper cathode in the electrolytic solution, introducing direct current, and carrying out an electrochemical reaction to obtain 3-thiophenyl quinolinone. The method has the advantages of mild conditions, simple operation, environmental protection, easily available raw materials, high reaction yield and the like.
Owner:HUAIHUA UNIV
Hormone-free beef cattle feed additive
A hormone-free beef cattle feed additive comprises, by weight, 8 to 11 parts of ferrous sulfate heptahydrate powder, 3 to 8 parts of cobalt chloride hexahydrate powder, 4 to 7 parts of lysine powder, 7 to 9 parts of pagoda tree flower, 4 to 8 parts of polysaccharide krestin, 3 to 5 parts of iodized salt, 3 to 7 parts of Japanese anemone, 8 to 12 parts of fish oil, 2.5 to 8 parts of chitosan, 3.2 to 6.5 parts of neutral protease, 7 to 9 parts of common macrocarpium fruit, 1 to 3 parts of common curculigo rhizome, 8 to 10 parts of winged euonymus twig, 1.3 to 6 parts of wild honeysuckle flower, 1.2 to 3 parts of sucrose and 10 to 15 parts of bone meal. The hormone-free beef cattle feed additive has the beneficial effects of improving meat quality, causing no harm to human bodies, being convenient to use and increasing economic benefit.
Owner:QINGDAO YUXING INTELLIGENT TECH DEV CO LTD
Cationically cross-linkable/polymerisable composition comprising an iodonium borate and releasing an acceptable odour
ActiveCN105051079AGood responsivenessIncrease coating rateOrganic-compounds/hydrides/coordination-complexes catalystsPretreated surfacesSolventPhotoinitiator
A photoinitiator composition is described that includes a specific iodonium salt combined with a hydrogen donor that is a Guerbet alcohol that can also act as a solvent. This initiator system can solve problems concerning odor, in particular after the polymerization / cross-linking of conventional iodonium salts.
Owner:BLUESTAR SILICONES FRANCE SAS
1-sulfonamido tetrahydrocarbazole compound as well as synthesis method and application thereof
The invention discloses a 1-sulfonamido tetrahydrocarbazole compound and a synthesis method thereof. The synthesis method is characterized by taking a tetrahydrocarbazole derivative as a raw material,taking iodine salt as a catalyst, taking chloramine salt as an oxidant and reacting in an organic solvent under room temperature to synthesize a series of 1-sulfonamido tetrahydrocarbazole compounds;a reaction formula is as shown in the description. The method has the advantages of simple steps, mild conditions, high atom economy, environment friendliness and the like; the method is simple and efficient; the raw materials are easily available; the 1-sulfonamido tetrahydrocarbazole compound is of an important excellent framework structure, thus can be widely used in the fields of organic synthesis and pharmaceutical chemistry, and has high usage value and good social and economic benefits; the 1-sulfonamido tetrahydrocarbazole compound is an important key intermediate for synthesizing bioactive molecules and active natural products, and can be extremely widely used in the field of organic synthesis.
Owner:ZUNYI MEDICAL UNIVERSITY
Iodized salt and a process for its preparation
InactiveUS8440252B2Improve bioavailabilityLow costFood ingredient functionsFood preparationIodideIodate salt
The invention discloses a novel iodizing agent containing latent elemental iodine and preparation of iodized salt therefrom. The iodizing agent comprises a mixture of iodide and iodate in solution form in 5:1 molar ratio. The said iodizing agent may be prepared cost-effectively through the reaction of pure iodine crystals with a suitable alkali. Iodized salt prepared therefrom is stable in the pH range of 7.0-8.0 whereas it releases the latent elemental iodine under acidic conditions such as that which prevails in the stomach.
Owner:COUNCIL OF SCI & IND RES
A method for efficiently repairing mercury-contaminated soil by leaching and a leaching agent
ActiveCN107457258BEfficient elutionImprove removal abilityContaminated soil reclamationOrganic acidSoil science
The invention discloses a method for efficient remediation of mercury-contaminated soil by leaching and a leaching agent. The leaching agent is composed of an oxidizing agent, a leaching solution I and a leaching solution II, wherein the oxidizing agent is a persulfate solution, a solute of the leaching solution I is composed of organic acid, iodized salt and chloride salt, and a solute of the leaching solution II is composed of sodium sulfide and sodium hydroxide. The method for leaching the mercury-contaminated soil by adopting the leaching agent comprises the steps that oxidation treatment is carried out on the mercury-contaminated soil, and then the mercury-contaminated soil is sequentially subjected to leaching by adopting the leaching solution I and the leaching solution II. The method has the advantages that efficient elution of mercury with various valence state in the mercury-contaminated soil can be realized, mercury residues are little, in addition, secondary pollution to the environment can be avoided, and the cost is low.
Owner:AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD
Premix feed for fattening beef cattle
InactiveCN111066965ASlow weight gainRelieve salivationAnimal feeding stuffAccessory food factorsBiotechnologyIron salts
The invention relates to a premix feed for fattening beef cattle. Each kilogram of the premix feed for fattening beef cattle comprises 50000-200000 IU of vitamin A, 1000-40000 IU of vitamin D3, 250-800mg of vitamin E, 0.12-3g of nantokite, 0.8-9g of iron salt, 1.5-3.7g of zinc salt, 0.12-3.7g of manganese salt, 5-245mg of iodate, 2.5-12.4mg of selenium salt and 30-50g of bacillus subtilis. The premix feed for fattening beef cattle can effectively strengthen the rumen motility of the beef cattle, improve rumen acidosis condition of the beef cattle at the fattening later stage of beef cattle, shorten fattening time, reinforce fattening and weight increment effects, besides, increase the brightness of hair canals and improve the smell of excrement and urine.
Owner:辽宁正成农牧科技有限公司
Chicken prepared with chilli pepper and processing method thereof
Owner:曲靖市沾益区贵火卢食品厂
Green synthesis method for p-iodotoluene
ActiveCN110937978ANo emissionsHigh yieldHalogenated hydrocarbon separation/purificationPtru catalystToluidine
The invention discloses a green synthesis method for p-iodotoluene, belonging to the technical field of synthesis of organic matters. According to the invention, perfluorosulfonic acid resin is adopted as a solid acid catalyst; due to a steric hindrance effect, the perfluorosulfonic acid resin mainly activates para-position hydrogen atoms of the p-iodotoluene; an oxidizing agent oxidizes iodine iniodized salt into iodine free radicals; the iodine free radicals attack the para-position activated hydrogen atoms of the p-iodotoluene; thus, a product, namely the p-iodotoluene is obtained. The green synthesis method provided by the invention has the following advantages: cheap and easily available toluene and iodized salt are used for respectively replacing expensive p-toluidine and periodic acid used in a conventional technology; meanwhile, reaction conditions are mild; after completion of the reaction, a solid catalyst, a carboxylic acid aqueous solution used as a reaction solvent and unreacted toluene can be recovered through centrifugation or filtration; the product, namely the p-iodotoluene is separated and recovered through a multi-stage extraction-flash evaporation-low-temperature crystallization process; and the green synthesis method provided by the invention has high yield, does not discharge three wastes in the preparation process, and is a green synthesis method.
Owner:SHAANXI UNIV OF SCI & TECH
Watermelon rich in iodine and production method thereof
InactiveCN103283431ASolving the problem that iodine content is highly susceptible to external factorsSolve greatly reducedFertilising methodsHorticultureDiseaseIodine deficiency
The invention discloses a watermelon rich in iodine and a production method thereof. The method comprises the following steps: under routine management and cultivation conditions, a biological agent containing iodine is applied to the surfaces of the leaves of the watermelon since the fifth or sixth day after the watermelon is pollinated, and 600 ml of biological agent is used every time and is diluted with water, which is 120 to 180 times of the biological agent, before being sprayed; the biological agent is sprayed and applied to the surfaces of the leaves of the watermelon; and the biological agent is sprayed once every other 6 to 8 days, the number of spraying times of the biological agent is 3 to 4 in total, and finally the watermelon fruit rich in iodine is obtained. The production method of the watermelon provided by the invention not only solves the domestic ubiquitous problem of iodine deficiency, but also solves the problems that the iodine content of iodized salt is greatly reduced because the iodine content of the iodized salt is likely to be affected by external factors; and the iodized salt is not easy to preserve. The iodine content of the watermelon rich in iodine, produced through the production method, is improved to a great extent and increased by more than 200 times as compared with that of a watermelon produced through a traditional method; and the production method of the watermelon rich in iodine is applicable to the regions of iodine deficiency in our country and has a positive significance for improving the iodine levels of crowds and preventing and treating diseases.
Owner:上海天际生态农业有限公司
Carbazole compound and its synthesis method and application
ActiveCN107935913BAvoid incompatibilitiesFull display of atom economyOrganic chemistryPtru catalystPharmaceutical Substances
The invention discloses a carbazole compound represented by a formula (2) and a synthesis method of the compound. A high-iodine salt is taken as a reaction raw material, and under the action of an inorganic nitrogen reagent, an additive, a base and a metal catalyst, a reaction is carried out in a solvent under a condition of 80-150 DEG C to obtain various carbazole compounds. According to the method provided by the invention, nitrogen atoms are introduced in a later period, so that the non-compatibility of nitrogen heterocyclic rings to the reaction conditions such as the metal catalyst and the like in an early reaction period is avoided. In addition, two aryl groups in the high-iodine salt are fully utilized, so that the atomic economic efficiency of the method provided by the present invention is fully exhibited. The carbazole compound prepared by the method provided by the invention can be further applied to the synthesis of non-steroidal anti-inflammatory drug carprofen.
Owner:EAST CHINA NORMAL UNIV
Process for removing sulfides from brine
InactiveCN102515205AConsolidate the effect of removing sulfideQuality improvementAlkali metal chloridesChlorine dioxidePhysical chemistry
The invention provides a process for removing sulfides from brine. According to the method, stable chlorine dioxide activated by a chlorine dioxide activating agent is used for removing gaseous H2S and combined H2S substances from the raw material brine, so that the sulfides can be removed at normal temperature, and the sulfide removal effect can be enhanced at high temperature; the reaction is irreversible, so that reducing substances do not exist during the whole iodine salt production, and the situation that the iodine salt is turned to be red or blue by iodide ions reduced from potassium iodate can be avoided; and the quality of the iodine salt is stable.
Owner:四川顺城盐品股份有限公司
Selenium, potassium, calcium and iodine containing edible health salt and preparation method
InactiveCN108236100ALow toxicitySuppress high blood pressureInorganic compound food ingredientsFood ingredient functionsSelenium saltIodinated salt
The invention discloses selenium, potassium, calcium and iodine containing edible health salt and a preparation method. Traditional salt products only include iodine-added iodine salt, potassium-addedpotassium salt and selenium-rich selenium salt, and do not solve the problem of calcium lack widespread among the Chinese people. The selenium, potassium, calcium and iodine containing edible healthsalt consists of sodium chloride, potassium chloride, sodium selenite, potassium iodate and calcium carbonate and is characterized in that the sodium chloride accounts for 5-95%, the potassium chloride accounts for 5-95%, the content of the sodium selenite is 10-200mg / Kg, the content of the potassium iodate is 20-50mg / Kg, and the content of the calcium carbonate is 5-50g / Kg, all by weight. The invention discloses selenium, potassium, calcium and iodine containing edible health salt and a preparation method.
Owner:哈尔滨平龙科技有限公司
Iodonium salt, resist composition, and pattern forming process
ActiveUS11448961B2High rectangularityOrganic compound preparationPhotomechanical coating apparatusCarboxylic acidIodinated salt
A novel carboxylic acid iodonium salt and a resist composition comprising the same as a quencher are provided. When resist composition is processed by photolithography using KrF or ArF excimer laser, EB or EUV, there is formed a resist pattern which is improved in rectangularity, MEF, LWR, and CDU.
Owner:SHIN ETSU CHEM IND CO LTD
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