364 results about "Iodide potassium" patented technology

The invention relates to a BiOI-graphene visible light catalyst and a preparation method thereof, belonging to the technical field of inorganic material synthesis and photocatalysis. BiOI and graphene are in the shape of a slice, and the graphene is 1.0%-3.0% by weight. The preparation method of the BiOI-graphene visible light catalyst comprises the following steps of: firstly ultrasonically dispersing graphite oxides into ethanol; then stirring, and adding a certain amount of sodium iodide or potassium iodide water solutions and bismuth nitrate glacial acetic acid solutions at the same time; transferring suspending liquid into a high-pressure reaction kettle with a polytetrafluoroethylene liner, and carrying out crystallization reaction at 120-150 DEG C for 6-12 hours; filtering, washing and drying obtain solid products so as to finally obtain the BiOI-graphene compound light catalyst. The preparation method has environment friendliness and simple process; and the prepared BiOI-graphene visible light catalyst has very high visible light catalytic activity and potential application value in a control technology decomposing organic pollutants by utilizing solar photocatalysis.

The invention discloses a trace element solution, which comprises at least one metal selected from the group comprising selenium, copper, zinc, manganese and chromium and which comprises a concentration of the metal(s) of at least 60 mg / ml. The solution further comprises at least one compound selected from the group comprising iodine, potassium iodide, sodium iodide, iron, iron chloride, zinc oxide, manganese sulphate, sodium selenite, copper carbonate, sodium carbonate, anhydrous disodium EDTA and sodium hydroxide. The trace element solution is prepared by a method consisting essentially of the steps of preparing a MnCO3 mixture in a container; adding an EDTA / NaOH mixture to the container and subsequently adding at least one metal compound; and adding Na2SeO3 to the container to obtain the trace element solution. The method also comprises the step of adding CrCl3.6H2O to the trace element solution.

The invention relates to an aqueous culture method of anoectochilus. In the method, anoectochilus germchits are cleaned and sterilized, transplanted in a culture dish and cultured in a culture groove filled with an aqueous culture solution; each 10L of aqueous culture solution contains the following components: 650 to 800mg of calcium nitrate tetrahydrate, 50 to 60mg of ammonium nitrate, 280 to 350mg of potassium nitrate, 100 to 130mg of potassium dihydrogen phosphate, 350 to 380mg of magnesium sulfate, 0.5 to 0.8mg of potassium iodide, 2 to 5mg of manganese sulfate, 0.2 to 0.3mg of sodium molybdate, 0.1 to 0.2mg of cobalt chloride, 2 to 4mg of boric acid, 0.5 to 1mg of zinc sulfate, 0.3 to 0.5mg of copper sulfate and 3 to 5ml of iron salt solution, wherein the iron salt solution is prepared by mixing water, green vitriol and ethylenediamine tetraacetic acid disodium. The method has the advantages of lowering production cost, simplifying production process, improving the growth of anoectochilus plants and improving the survival rate of anoectochilus plants.

The present invention provides a mineral compound type licking brick for cattle and sheep and its preparation method. Every kg of licking brick contains 0.15-0.3g of ferrous sulfate, 0.15-0.3g of zinc sulfate, 0.1-0.2g of copper sulfate, 0.2-0.3g of manganese sulfate, 0.01-0.02g of sodium selenite, 0.05-0.3g of potassium iodide, 0.03-0.08g of cobaltous chloride, 0.1-0.3g of magnesium oxide, 0.02-0.03g of nano zinc oxide and copper sulfate mixture, 6-10g of chromium nicotinate, 30-150g of sodium sulfate, 40-100g of calcium hydrogen phosphate, 200-400g of edible salt, 200-400g of solidifying agent, 50-200g of carrier and 30-70g of treacle.

The invention relates to a BiOBr0.2I0.8 / graphene composite visible-light-induced photocatalyst and a preparation method thereof and belongs to the field of photocatalysis technology. BiOBr0.2I0.8 is microspheres composed of a large quantity of nanoflakes; the microspheres are 1.0 mum in diameter and are uniformly distributed on graphene flakes; and the mass percent of graphene is 5.0-15.0%. Firstly, graphite oxide is ultrasonically dispersed in absolute ethyl alcohol to obtain a suspension of graphene oxide; secondly, while stirring, adding the suspension of graphene oxide to a certain amount of ethylene glycol solution of sodium bromide, potassium iodide and bismuth nitrate; thirdly, the suspension of graphene oxide is transferred into a high pressure reactor with a polytetrafluoroethylene liner to be subjected to crystallization reaction for 12-16 h at 160-180 degrees; and finally, the obtained solid product is filtered, washed and dried to obtain the BiOBr0.2I0.8 / graphene composite visible-light-induced photocatalyst.

At least one of the following compounds is applied as a re-wet solution to media: potassium iodide, sodium iodide, sodium thiosulfate, potassium thiosulfate, and sodium thiocyanate. The addition of at least one of these compounds to the re-wet solution can improve light fastness on the order of eight to thirteen times or more on porous glossy media. These additives are particularly effective with water-soluble dyes, including dyes such as Reactive Black 31 (Pacified) (RB31), Direct Blue 199 (DB199), Magenta 377 (M377), and Direct Yellow 132 (DY132).

The polarizer of invention comprises a zinc-containing polyvinyl alcohol-based film which has been subjected at least to dyeing with an iodine solution containing iodine and potassium iodide, wherein the polarizer has a value of zinc content (% by weight) / potassium content (% by weight) of from 0.05 to 0.4, and a potassium content of from 0.2 to 12% by weight, and a value of zinc content (% by weight) / iodine content (% by weight) of from 0.012 to less than 0.05, and an iodine content of from 1 to 20% by weight. The polarizer can achieve high resistance to humidity.

The present invention discloses a defect-rich ultra-thin bismuth oxyiodide nano-sheet preparation method, which comprises: uniformly mixing a bismuth nitrate pentahydrate ethylene glycol solution and a potassium iodide ethylene glycol solution according to a volume ratio of 1:1; adding a small amount of an organic aldehyde reagent to make the organic aldehyde reagent concentration in the mixed solution be 0.2-1 g / L; transferring into to a hydrothermal reaction kettle, and carrying out a heat treatment for 12-24 h at a temperature of 150-180 DEG C; and after the hydrothermal reaction kettle is cooled to a room temperature, carrying out alcohol washing on the olive green product of the hydrothermal reaction kettle, carrying out water washing, and drying to obtain the product. According to the present invention, the viscosity of the ethylene glycol is high, the bismuth nitrate pentahydrate and the potassium iodide react in the high viscosity ethylene glycol system, and the grain growth is slow, such that the generation of the ultra-thin bismuth oxyiodide nano-sheets is easily achieved; and the organic aldehyde has the effects of the usual alcohol solvents and further normally has a certain reduction property, such that the [Bi2O2]<2+> unit on the surface is easily reduced through the organic aldehyde after the bismuth oxyiodide nano-sheets are subjected to ultra thinning so as to cause a lot of defects.

The invention relates to antisepsis and anti-inflammation medicaments, and particularly relates to high-content liquid povidone-iodine. The liquid povidone-iodine is prepared from the following raw materials in percentage by weight: 5.2-12.24 percent of iodine, 10-24 percent of polyvinylpyrrolidone, 2-4.8 percent of potassium iodide, 0.1-0.24 percent of potassium iodate, 15-36 percent of ethanol and the balance of water. The high-content liquid povidone-iodine is a reddish brown viscous liquid, is easily dissolved in water, has stable performance, strong sterilization efficacy and no irritation, is suitable for sterilization of operating parts and skin-mucosa or sterilization of aquatic water, can be used for preventing and treating bacteriosis of aquatic animals caused by vibrio, aeromonas hydrophila, edwardsiella tarda and the like and sterilizing the environment of livestock and poultry housings, plays a role in killing multiple bacteria, spores, viruses, fungi and the like, thus being a good iodine containing medical bactericide and epidemic prevention sanitizer.

The invention discloses scion root liquid of hackberry. Each liter of root liquid contains the following components in parts by weight: 1-3 parts of 6-benzyl amino adenine, 2-3 parts of ABT2 rooting powder, 15-20 parts of heteroauxin, 20-30 parts of naphthylacetic acid, 0.2-0.5 part of potassium iodide, 2-4 parts of zinc sulfate, 0.05-0.1 part of sodium molybdate, 10-20 parts of ammonium nitrate, 1-3 parts of magnesium sulfate, and 1-1.5 parts of vitamin D. A method for grafting and seeding the hackberry by the root liquid comprises the steps of: selecting scions and preparing the scions; selecting a stock and cutting the selected stock; connecting; and finally, carrying out seeding management. The root liquid disclosed by the invention is reasonable in formula, and the survival ratio of the grafted hackberry can be improved to over 90%. The grafting method disclosed by the invention is simple and convenient to operate, and easy to popularize.

The invention discloses a low-temperature gel breaker for polymer fracturing fluid. The low-temperature gel breaker is prepared from the following raw materials in parts by weight: peroxides: 10-15 parts of dibenzoyl peroxide, 3-5 parts of ammonium persulfate and 1-3 parts of hydrogen peroxide; active additives: 4-6 parts of sodium gluconate, 1-2 parts of potassium iodide, 3-5 parts of hexamethylenetetramine and 0.1-4 parts of triethanolamine; a solvent: 150-180 parts of water. A preparation method of the low-temperature gel breaker comprises the following steps: (1) preparing the peroxides, namely, weighing raw material components according to a weight ratio, putting the peroxides into a reaction kettle, adding water, and stirring for 30 minutes; (2) preparing the active additives, namely, adding the sodium gluconate, sequentially feeding potassium iodide, hexamethylenetetramine and triethanolamine, continuously stirring for 60 minutes, so as to obtain a finished product. The low-temperature gel breaker disclosed by the invention has the benefits that structures of polymer fracturing fluid and guanidine gel fracturing fluid can be effectively decomposed, thorough gel breakage at the temperature as low as 20 DEG C can be achieved, and the low-temperature gel breaker has the characteristics of small use amount, rapid gel breakage, thorough gel breakage, high simplicity in use and the like. A use method of a cross-linking agent prepared from the low-temperature gel breaker is completely in accordance with that of a conventional gel breaker, so that high convenience can be brought to on-site construction.

At least one of the following compounds is included on a surface layer of a print medium and in an inkjet ink formulation to be printed thereon: potassium iodide, sodium iodide, sodium thiosulfate, potassium thiosulfate, and sodium thiocyanate. The addition of at least one of these compounds to both the print medium and the inkjet ink can improve light fastness on the order of eight to thirteen times or more on porous glossy media. These additives are particularly effective with water-soluble dyes, including such dyes as Reactive Black 31 (Pacified) (RB31), Direct Blue 199 (DB199), Magenta 377 (M377), and Direct Yellow 132 (DY132).

The invention relates to a preparation method and application of a bismuth oxyiodide / titanium-based metal-organic framework composite and belongs to the technical field of preparation of composites. Firstly, a functionalized NH2-MIL-125(Ti) material is prepared; then the NH2-MIL-125(Ti) sample is put into a potassium iodide aqueous solution in proportion, stirring and ultrasonic treatment are carried out, and thus a solution A is formed; an ethylene glycol solution of bismuth nitrate pentahydrate serves as a solution B; the solution B is dropwise added into the solution A under a stirring condition and stirred evenly, then stirring reaction continues to be carried out in a water bath at 80 DEG C for 1-3 hours; and finally obtained products are filtered, washed and dried, and thus the BiOI / NH2-MIL-125(Ti) composite is obtained. The composite interface of the composite facilitates separation of electron-hole pairs, the transfer rate of charges is increased, and the recombination probability of the electron-hole pairs is reduced, so that current carriers have long service life, and accordingly the composite has excellent photocatalytic performance.

The invention provides quercetin derivatives. The chemical structural general formulas of the quercetin derivative is as shown in the specification; and the synthetic method of the quercetin derivative comprises the following steps: (1) taking a carbonate and the like as the acid-binding agents and potassium iodide as the catalyst, and reacting the quercetin with a halogen substitute of fatty acid ethyl ester; (2) separating and purifying by silica gelcolumn chromatography, and collecting the same components to obtain three yellow powdery compounds: quercetin ester derivatives; and (3) taking the synthesized derivatives as the reactants, respectively, adding NaOH aqueous solution and taking polyethylene glycol as the phase transfer catalyst; separating and purifying by silica gelcolumn chromatography, and collecting the same components to obtain quercetin carboxylic acid derivatives, respectively. The synthetic method of the series quercetin derivatives provided by the invention is simple and easy to operate; the yield of each product is high; and the series quercetin derivatives are remarkably improved in both water solubility and lipid solubility compared with the quercetin.

The invention discloses a fluorescence probe based on 1, 3, 4-oxadiazole derivative, and a synthetic method and applications thereof. Chemical formula of the fluorescence probe is represented in the invention. The synthetic method comprises following steps: N-[2-(5-phenyl-1, 3, 4-oxadiazole-2-yl)phenyl]-2-chloroacetamide, di-(pyridylmethylene)amine, N, N-diisopropylethylamine and potassium iodide are added into acetonitrile so as to obtain a mixture; the mixture is stirred, and is subjected to heating reflux under protection of nitrogen; solvent removing is realized via reduced pressure distillation, and obtained residues are subjected to column chromatography for separation so as to obtain the fluorescence probe N-[2-(5-phenyl-1, 3, 4-oxadiazole-2-yl)phenyl]-2-di(2-pyridylmethylene) acetamide. The raw materials are easily available; the synthetic method is simple; product separation and purification processes are easy; and the fluorescence probe possesses excellent water solubility, can be used for Zn<2+> monitoring analysis and tracer analysis in water environmental systems and biological cell systems, and possesses excellent sensitivity and relatively strong anti-interference capability on detection of Zn<2+>.

A high-performance liquid chromatograph method for detecting benzoyl peroxide in wheat flour is carried out according to following steps of: (1) sample pre-treatment including adding absolute ethanol in a sample, infiltrating, mixing by a mixer, standing, adding potassium iodide solution to the mixer, mixing uniformly, standing, adding sodium hyposulfite solution, adding water to a predetermined volume, mixing by the mixer, standing for stratification, sucking the supernate, and filtering with a filter membrane to obtain a sample filtrate; (2) feeding the sample filtrate and a standard benzoic acid solution in a high-performance liquid chromatograph, and testing the benzoic acid concentration in the sample according to the chromatographic conditions; and (3) calculating the concentration of benzoyl peroxide in the sample according to the formula X=A*V*0.992 / (m*1000). The invention has the advantages of (1) advanced method, (2) high detection accuracy, and (3) simple and easy method.

The invention discloses elementary substance mercury mineral adsorbent with natural ore such as medical stone as carriers, and a preparation method of the elementary substance mercury mineral adsorbent. The method mainly includes the steps of adding the carriers to a prepared mechanical modification solution to be soaked for about 4 fours, conducting filtering and drying, grinding on the carriers to the required granularity (60 meshes to 500 meshes), and obtaining the elementary substance mercury mineral adsorbent. Chemical modification agents are any one of cupric bromide, copper chloride, sodium bromide, potassium bromide, potassium iodide, elemental sulfur and the like. The carriers are medical stone which has good structural performance, and is porous, large in surface area, easy to modify and capable of effectively removing elemental mercury in coal-fired fuel gas without influencing commercial value of fly ash. The modified mineral adsorbent is abundant in reserve, low in price and easy to prepare, and is an environment-friendly mineral material.

The invention discloses a high-phosphorous chemical nickel-plating solution which comprises a cylinder opening solution and a supplement solution. The cylinder opening solution contains nickel sulfate, sodium hypophosphite, citric acid, lactic acid, sodium acetate, succinic acid, potassium iodate, potassium iodide, nitrilotriacetic acid, cerous sulfate, copper sulfate, benzotriazole, benzimidazole with the concentration being 2-10 mg / L, 5-25 mL / L of OP-10 with the concentration being 5-25 mL / L and the balance pure water. The nickel-plating solution has the advantages that cost is low, the excellent plating ability is achieved, the cylinder opening solution is stable, glossiness is achieved, the magnetism level requirement is met, and the service life reaches 11.0 MTO; during the service life, the average sedimentation rate is 12-14 [mu]m / h, the phosphorus content of a plating layer is 10%-14%, the time for neutral salt spraying is longer than or equal to 96 h (the thickness of the plating layer is 18-25 [mu]m), and the time for a purification resistant nitric-acid test is longer than or equal to 8 min (the thickness of the plating layer is 18-25 [mu]m); the magnetism level is lower than or equals to 200 gamma (specifically, 1 gamma is equal to 1 nT, and in general, remanence in the aerospace field takes gamma as a unit), the western country standard is met, and the magnetism is required to meet the NMB magnetism level; and the plating solution is free of lead and cadmium, conforms to the RoHS command and is an environment-friendly high-phosphorous chemical nickel-plating solution.

The invention belongs to a measuring method and particularly relates to a method for determining the content of copper in copper electrolyte. According to the technical scheme, the method comprises the following steps: adding the copper electrolyte into a flask; neutralizing the copper electrolyte by virtue of ammonium hydroxide until ferrum completely settles; adding ammonium bifluoride to mask ferrum, adding potassium iodide, and carrying out titration by virtue of a 0.003126g / mL sodium thiosulfate standard solution, thereby determining the content of copper. The method has the advantages of low cost, short determination time, time saving and labor saving properties and accurate and reliable analysis result and the like and is simple to operate.

The invention discloses a diosmin production method based on a dimethylsulfoxide system. The diosmin production method comprises the following steps that hesperidin and potassium iodide are dissolved with dimethyl sulfoxide and then are charged into a first container; the dimethyl sulfoxide and concentrated sulfuric acid are added into a second container; the solution inside the first container and the solution inside the second container are added into a reactor and are mixed for reaction, and the reaction solution is cooled and collected after reaction is completed; the collected reaction solution is transferred to a reaction kettle to obtain a wet diosmin product; the wet diosmin product is subjected to air blowing and drying at the temperature of 80 DEG C for 12 hours to obtain diosmin. A new diosmin production process is developed by combining the microreactor and a new dehydrogenation system (potassium iodide / sulfuric acid / dimethyl sulfoxide), the safety is good, the environment is not polluted, and the produced diosmin is high in purity and high in yield.

The invention provides a synthesis technology for preparing oteracil potassium. With short reaction steps, the technology avoids the adoption of toxic and harmful bromine as an oxidant. The synthesis technology is characterized by comprising the following step of dissolving allantoin in a potassium hydroxide or potassium carbonate aqueous solution, wherein potassium iodide is used as a catalyst, and a pypocholoride aqueous solution is used as an oxidant. The method provided by the invention has the advantages of simplicity in operation, mild reaction conditions, high yield, high product purity and the like, and is suitable for industrial production of oteracil potassium.

The invention discloses a platinum (II) coordination complex and a preparing method and application thereof. The preparing method includes the steps that active natural products such as oleanolic acid and ursodesoxycholic acid and derivatives of the active natural products serve as ligand; potassium tetrachloroplatinate(II) and ammonia or (R,R)-cyclohexanediamine are subjected to coordination reaction under the condition of potassium iodide, then iodide ions are removed through silver nitrate under the light shielding condition, and the mixture and sodium salt of ursodesoxycholic acid or oleanolic acid or the derivatives of oleanolic acid are reacted to obtain the product. The platinum (II) coordination complex has the good in-vitro antitumor activity, and can be applied to preparing medicine for treating malignant tumor.

Belonging to the technical field of oilfield chemical products, the invention in particular relates to a novel high-temperature resistant acidification corrosion inhibitor. The corrosion inhibitor is prepared by: reacting acetophenone, trioxymethylene, cyclohexylamine, hydrochloric acid with oleic acid to generate a ketone aldehyde amine condensate, and then compounding the condensate with nonylphenol polyoxyethylene ether, ethanol (methanol), thiourea, propargyl alcohol and potassium iodide. The high-temperature resistant acidification corrosion inhibitor has the advantages of no pollution of three wastes, low cost, easily available raw materials, simple process, convenient use and the like, and can effectively resist high temperature (204DEG C).

The invention discloses a propynylamine high-temperature acidizing corrosion inhibitor and a preparation method thereof. The propynylamine high-temperature acidizing corrosion inhibitor is prepared by the following steps: by taking propargyl alcohol, organic amine and aldehyde as raw materials and a cuprous salt as a catalyst, carrying out mannich reaction within a relatively short time under promotion of ultrasonic waves to synthesize propynylamine compounds; and compounding the propynylamine compounds with potassium iodide and a surfactant. The corrosion inhibitor is a yellow or brown emulsion and is stable and uniform, can be well dispersed in an acidic liquid and can give play to a good corrosion inhibiting effect under the condition of a high temperature from 100-140 DEG C, so that the propynylamine high-temperature acidizing corrosion inhibitor is effectively prevented being corroded in the acidizing process. In addition, the corrosion inhibitor disclosed by the invention is prepared by using an ultrasonic wave synthetic method and has the characteristics of being low in synthetic temperature, short in time, high in reaction yield and the like.

The invention relates to a preparation method of S-glycidylphthalimide. The preparation method is characterized in that in a reaction of potassium phthalimide or phthalimide and (S) epichlorohydrin, a phase transfer catalyst and potassium iodide are used so that S-glycidylphthalimide synthesis is realized. Compared with the prior art, the preparation method greatly improves an S-glycidylphthalimide yield, has simple and safe processes, produces high-purity products, has a low cost and is suitable for industrial production of S-glycidylphthalimide.

The invention relates to a preparation method of an iodated chitosan oligosaccharide seaweed bio-fertilizer. The preparation method comprises the following steps of: (1) carrying out enzymatic hydrolysis reaction on chitosan, namely, shearing and crushing chitosan, and carrying out enzymatic hydrolysis reaction by using non-special composite enzyme so as to obtain a chitosan oligosaccharide solution with a molecular polymerization degree of 4-8; (2) carrying out iodination reaction on the chitosan oligosaccharide, namely, adding a potassium iodide solution into the obtained chitosan oligosaccharide solution in a certain speed, so as to carry out the iodination reaction on the chitosan oligosaccharide and obtain an iodated chitosan oligosaccharide solution; and (3) carrying out chelation reaction on a seaweed extract, namely, taking the seaweed extract which is prepared by using an enzymatic hydrolysis method, carrying out chelation reaction on the seaweed extract and the iodated chitosan oligosaccharide solution according to a certain ratio, and compounding microelements of certain concentration, and finally obtaining the iodated chitosan oligosaccharide seaweed bio-fertilizer. The iodated chitosan oligosaccharide seaweed bio-fertilizer prepared by using the method has the remarkable functions of plant growth promoting, production increase, disease-resistance and health care, also has the strong and lasting sterilization function, is free of residue and pollution, and is a completely environmental-friendly bio-fertilizer that the medicine and the fertilizer are combined together.

The invention relates to a modified mesoporous silica adsorbent and a preparation method and application thereof. Under the catalysis of potassium carbonate and potassium iodide, aza-macrocyclic ligand is modified onto the surface of chlorine group functional mesoporous silica through nucleophilic substitution, and the adsorbent is prepared; palladium recycling and enrichment under different nitric acid concentrations are achieved through the adsorbent, and the selective recovery performance of palladium in highly-active effluent simulated feed liquid is evaluated. According to the modified mesoporous silica adsorbent, mesoporous nanomaterials are combined with the supermolecule recognition performance of the aza-macrocyclic ligand, the problems that selectivity is poor, operation is complex, the raw material cost is high and the stability is poor in the traditional treatment technology for palladium in highly-active effluent are solved, and the adsorbent has the advantages of being good in selectivity, large in adsorption capacity, high in adsorption speed and easy to recycle for palladium within the wide nitric acid concentration range, and has the great practical significance in the aspects of nuclear fuel reprocessing and hydrometallurgy.

The invention relates to a trace amount anion analysis method, and in particular relates to an ion chromatography- postcolumn derivation analytic system for effectively detecting trace amount bromate. In the anion analytical method for detecting trace amount bromate, the trace amount bromate is detected by an ion chromatography-postcolumn derivation-ultraviolet detection analytic system with very high sensitivity and selectivity. A home-made ion exchange column with high exchange capacity is used for separation, and potassium iodide is used as a postcolumn reaction reagent, the content of trace amount bromate is indirectly detected by the ultraviolet detection method with high sensitivity and good selectivity. Compared with the traditional ion chromatography-postcolumn derivation ultraviolet detection method, the technical scheme has the advantage of reducing the use of a suppresser and an electrical conductivity detector and can be used for detecting trace amount bromate with high sensibility and high selectivity.

The invention discloses a proliferation medium for Sierra cowberry blueberry tissue culture. 1L of the proliferation medium comprises modified WPM (woody plant medium), 0.5mg of NAA (Naphthalene Acetic Acid), 0.2mg of GA, 2-3mg of zeatin (ZT), 30g of saccharose, and 7g of agar, and has pH value of 5.2. 1L of the modified WPM contains macroelements, iron salts, microelements and organic substances, wherein the macroelements comprise 893mg of potassium nitrate, 119mg of ammonium sulfate, 370mg of magnesium sulfate, 278mg of calcium nitrate tetrahydrate, and 170mg of monopotassium phosphate; the ferric salts comprise 74.6mg of ethylene diamine tetraacetic acid, and 55.6mg of ferrous sulfate; the microelements comprise 22.3mg of manganese sulfate, 8.6mg of zinc sulfate, 0.025mg of copper sulfate, 0.25mg of sodium molybdate, 6.2mg of boric acid, 0.415mg of potassium iodide; and the organic substances comprise 0.5mg of niacin, 0.5mg of thiamine hydrochloride, 0.5mg of pyridoxine hydrochloride, 100mg of inositol and 2mg of glycine. The proliferation rate can reach more than 12 after the medium is used for 30 days.

The invention provides a preparation method for alpha-iodo-beta-arylketo-substituted sulfone compounds. The preparation method comprises the following steps: taking olefin nitrine, sulfohydrazide and potassium iodide as starting raw materials; and in an organic solvent, taking tert-butyl hydroperoxide as an oxidizing agent, and reacting to generate the alpha-iodo-beta-arylketo-substituted sulfone compounds, wherein a molar ratio of olefin nitrine to sulfohydrazide to potassium iodide to tert-butyl hydroperoxide is 1:2:2:2, the reaction temperature is the room temperature, and the reaction time is 2-4 hours. The preparation method provided by the invention is reasonable in design, adopts easily available raw materials, does not need a metal catalyst, is gentle in reaction condition, is free of high-temperature flux, is safe and convenient and is high in yield, and the yield of most products is 70% or higher, so that the preparation method is a method, which is simple to operate, quick, gentle and diversified, for constructing the alpha-iodo-beta-arylketo-substituted sulfone compounds, wherein the three starting raw materials can be obtained through a one-step process, and the reaction raw materials are cheap and easily available; and the formulas of the alpha-iodo-beta-arylketo-substituted sulfone compounds are as shown in the specification.