106 results about "Citrate potassium" patented technology

The invention provides a preparation method of a UTSA-16 structure metal organic framework, which comprises the following steps: sequentially adding a metal salt and potassium citrate into an auxiliary solvent, adding an alkaline solution, dissolving, and treating in a ball milling manner to obtain a reaction solution; centrifuging the reaction liquid, collecting a solid part, washing with diethyl ether, soaking with methanol, and drying to obtain a precursor; and activating the precursor at the temperature of 80-90 DEG C, and removing the solvent in the pore channels to obtain the metal organic framework with the UTSA-16 structure. According to the invention, the UTSA-16 is prepared by a solvent-assisted ball milling method, the problems of high energy consumption, long time and serious pollution in the previous preparation process of the UTSA-16 are solved, and the UTSA-16 can be formed under a milder condition and within a shorter time by the method; the reaction is carried out in a ball mill, the maximum synthesis amount can be enlarged along with the scale of the ball mill, the reaction takes 3 hours, heating is not needed, and the method can be put into factories for large-scale production.

The invention relates to the technical field of electrochemistry, in particular to a high-entropy Prussian blue analogue positive electrode material, a preparation method and application. Preparing manganese source, iron source, cobalt source, nickel source and copper source solutions; the preparation method comprises the following steps: dispersing a potassium ferrocyanide precursor and a potassium citrate chelating agent in deionized water, adding quantitative manganese source, iron source, cobalt source, nickel source and copper source solutions after uniformly dispersing, and continuously stirring in the adding process until all the solutions are dropwise added; centrifugally washing the obtained mixed solution by using deionized water and absolute ethyl alcohol; drying the centrifugally washed colloid in a vacuum drying box; the obtained solid particles are ground into uniform powder, and the high-entropy Prussian blue analogue positive electrode material is prepared by adopting the preparation method; the material can be used as a sodium ion battery positive electrode material. The content of crystal water is reduced, and side reactions in the electrochemical process are reduced. Excessive crystal defects are improved; the structural stability is improved; and the sodium ion diffusion barrier is reduced.

The invention discloses a preparation method of a zinc-nickel alloy coating. A formula of a plating solution comprises zinc chloride, nickel sulfate hexahydrate, sodium hydroxide, sodium potassium tartrate tetrahydrate, trisodium citrate, potassium citrate, triethanolamine, tetraethylenepentamine, a primary brightener and a secondary brightener. A double-acid compound complexing agent is used for replacing a traditional single-acid complexing agent, and a plating layer can have a finer crystal structure by compounding a basic plating solution to electroplate a zinc-nickel alloy, so that the plating layer with more excellent corrosion resistance is obtained; the stability of metal ions in an electroplating solution is improved, the conductivity and uniformity of the electroplating solution are improved, the quality of a plating layer can be remarkably improved, the corrosion resistance and hardness of the plating layer are improved, pores in the plating layer are reduced, and the protection capability on a matrix is enhanced.

The invention belongs to the technical field of hydrogen production electrolytic cells, and particularly relates to a preparation method of an electrode for a hydrogen production electrolytic cell, and the preparation method at least comprises the following steps: providing a base material; forming a first catalyst layer on the substrate; and forming a second catalyst layer on the first catalyst layer, when the second catalyst layer is formed, a stabilizer is added into the electrochemical liquid medicine, and the stabilizer comprises one or a combination of more of sodium citrate, potassium citrate, sodium gluconate, disodium ethylene diamine tetraacetate and sodium tartrate. By means of the preparation method of the electrode for the hydrogen production electrolytic cell, the stability of the catalyst on the base material can be improved, exertion of the activity of the catalyst is not affected, then the performance of the water electrolysis hydrogen production electrode is improved, the preparation cost can be reduced, and the preparation process can be simplified.

The invention discloses a production process of a high-potassium-based compound fertilizer, which comprises the following steps: S1, raw material pretreatment: crushing potassium feldspar to 200 meshes, mixing with 5% sulfuric acid according to a mass ratio of 1: 3, calcining at 120-130 DEG C for 2-3 hours, washing with water until the pH is 6.5-7.0, and drying to obtain potassium feldspar activated powder; s2, putting a potassium citrate solution, a calcium citrate solution, potassium feldspar activated powder, a trace element organic acid salt solution, urea, modified zeolite and a binder into a high-speed mixer in proportion, uniformly stirring, and granulating by adopting a high tower to obtain base material particles; s3, the base material particles are dried, broken particles with the diameter smaller than 2.5 mm are removed, multiple layers of composite films are sprayed to the surfaces of the base material particles for coating, and coated base material particles are obtained after drying; and S4, spraying a bacillus subtilis microbial agent on the surfaces of the coated base material particles, and drying at low temperature to obtain the high-potassium-based compound fertilizer. The high-potassium-based compound fertilizer produced by the invention has the advantages of high nutrient content, long fertilizer efficiency and small environmental pollution, and can improve the soil environment and increase the crop yield.

Disclosed herein are clay swelling inhibitor compositions and methods for using them to treat oil and gas wells and subterranean formations. In a specific embodiment, the clay swelling inhibitor composition includes: calcium chloride from about 40 wt % to about 60 wt %; potassium bicarbonate from about 15 wt % to about 25 wt %; potassium formate from about 25 wt % to about 35 wt %; and additives. In another specific embodiment, the clay swelling inhibitor composition includes: potassium citrate from about 50 wt % to about 60 wt %; cesium formate from about 20 wt % to about 30 wt %; potassium acetate from about 15 wt % to about 25 wt %; and additives.

The invention relates to an invar alloy mask plate plasma nanometer polishing and thinning system and method, the system comprises a water tank (2), the water tank (2) is filled with a polishing solution (3) and an invar alloy mask plate (4), and the depth of the invar alloy mask plate (4) in the water tank (2) is controlled through a lifting system controller (5) and a lifting device (6); the polishing solution (3) comprises main salt, auxiliary salt and water; the main salt comprises (conductive electrolyte for generating plasma) 1-2% of potassium citrate and 1-2% of potassium nitrate; the auxiliary salt comprises a buffering agent, a thickening agent, a protective agent and a brightening agent. Through the synergistic effect of a special polishing solution formula and an optimization process, efficient and uniform thinning and nanoscale polishing of the ultrathin invar alloy mask plate are achieved, the surface flatness and environmental protection property are improved while the natural color gloss of metal is guaranteed and edge burning and salt residue are avoided, and the high-precision use requirement of the mask plate is met.

The present invention provides low glycemic index (GI) total nutrition formula emulsion and a preparation method therefor. The low GI total nutrition formula emulsion comprises the following raw material components in parts by weight: 10-14 parts of carbohydrates, 4-5 parts of calcium caseinate, 1.3-2 parts of dietary fiber, 0.1-0.15 part of sodium chloride, 0.1-0.12 part of sodium citrate, 0.1-0.15 part of potassium citrate, 0.15-0.2 part of magnesium chloride, 0.1-0.15 part of dipotassium hydrogen phosphate, 0.05-0.1 part of compound vitamins, 0.05-0.1 part of compound minerals, 2.5-3.6 parts of compound oil, 0.3-0.5 part of phospholipid, 0.2-0.5 part of medium chain triglyceride (MCT), 0.04-0.08 part of colloids. The preparation method comprises: preparing aqueous phases and oil phases from the raw materials step by step; mixing the aqueous phases and oil phases; and shearing, homogenizing and sterilizing the mixture to obtain the low GI total nutrition emulsion. The product features balanced and complete nutrition.

The application discloses a compound fertilizer for promoting cotton high yield and a preparation method thereof, relates to the technical field of cotton fertilizer, and comprises first mother liquor A, second mother liquor B and third mother liquor C which are prepared, stored and packaged separately; the first mother liquor A contains urea phosphate, monoammonium phosphate, anhydrous citric acid, malic acid and manganese sulfate monohydrate; the second mother liquor B contains commercial 11-37-0 liquid ammonium polyphosphate, ammonium salt type polyaspartic acid solution, purified fulvic acid clear liquid and tri-potassium citrate; and the third mother liquor C is a mixed system of polyol complex state boron clear pre-liquid and medium complex state zinc pre-liquid. The application can improve the effective state stability of phosphorus, zinc and boron, reduce the risks of precipitation fouling and dripping head blockage, alleviate the risks of local salt peak and root injury in the seedling stage, promote the uniform emergence and young root growth of cotton, and improve the yield.

1. The name of the design product: packaging box (bismuth potassium citrate capsule). 2. The use of the design product: used for product outer packaging. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: unfolded state reference drawing.

The fire extinguishing material is provided with a fire extinguishing agent layer containing a fire extinguishing agent containing particulate potassium citrate, and the potassium citrate has a coating film formed from a coating film forming agent on the surface.

A toothpaste composition comprising: a) a silica based abrasive; b) an alkyl polyglucoside surfactant; and c) a buffer selected from trisodium phosphate, sodium bicarbonate, monosodium phosphate, potassium citrate or mixtures thereof.

The invention relates to a potassium citrate sustained release tablet and a preparation method thereof. The potassium citrate sustained release tablet comprises potassium citrate, a waxy framework material, polyvinyl alcohol and sodium alginate. By adding a proper amount of polyvinyl alcohol and sodium alginate, the friability of the tablet is greatly improved, and the risk of ethanol dosage dumping of the product is obviously reduced.

The invention belongs to the field of nutritional food, and provides a multi-mineral nutrient tablet and a production process thereof, the multi-mineral nutrient tablet comprises the following raw materials by weight: 210-420 mg of potassium chloride, 210-420 mg of potassium citrate, 65-150 mg of magnesium sulfate, 65-150 mg of magnesium oxide, 25-50 [mu] g of selenized carrageenan, 100-1000 mg of fructo-oligosaccharide and 25-50 mg of an auxiliary material; according to the invention, various minerals such as potassium chloride, potassium citrate, magnesium sulfate and magnesium oxide are accurately proportioned, so that mineral elements such as potassium and magnesium required by a human body can be comprehensively supplemented, electrolyte balance and normal functions of cells can be maintained, mitochondrial autophagy can be reduced by adding the selenized carrageenan, a mitochondrial pathway can be stabilized, and the growth of the human body can be promoted. According to the present invention, by adding the fructo-oligosaccharide, the growth of beneficial bacteria in intestinal tracts can be easily promoted, the microecological balance of the intestinal tracts can be easily improved, such that the immunity can be enhanced, the absorption and the utilization of nutrients can be promoted, and the health of the intestinal tracts can be maintained.

The present invention relates to the field of electroless copper plating materials, and provides an environment-friendly electroless copper plating agent and a preparation method thereof. The electroless copper plating agent comprises a quaternized chitosan complexing agent, a chitosan-cysteine derivative, a chitosan-glutathione derivative, tea polyphenols, dopamine, potassium citrate trihydrate, ascorbic acid, glucose, sodium alginate, sodium citrate and an ethanol-water mixed solvent. The preparation method includes the synthesis of chitosan derivatives, the preparation of complexing agents and the preparation of electroless copper plating agents. By optimizing the stability of complexing agents, the copper ion complexing ability and the deposition uniformity, the adhesion and uniformity of the deposited layer are improved. The obtained electroless copper plating agent solution has a stable conductivity and a controllable copper deposition rate, and is suitable for electronic circuit manufacturing and metal surface treatment. The present invention uses natural polymer complexing agents to replace traditional harmful complexing agents, realizes high-efficiency and environment-friendly electroless copper plating, reduces environmental pollution, and has good industrial application value.

The invention relates to the technical field of environment-friendly materials, and provides an environment-friendly deplating agent for neodymium-iron-boron materials and a preparation method and a using method thereof.The deplating agent comprises, by weight, 1%-5% of ammonium carbonate, 5%-10% of sodium dihydrogen phosphate or trisodium phosphate, 1%-5% of sodium hydroxide, 10%-15% of potassium citrate and the balance deionized water. The cleaning agent comprises the following components in percentage by weight: 40-50% of a cleaning agent, 5-10% of amino triethanol, 15-20% of hexamethylenetetramine or ethylenediamine, 40-50% of deionized water, and 0.1-1% of a chelating agent and a surface repairing agent; wherein the surface repairing agent is a composition comprising 0.1-1% by weight of nanoparticles and 0.1-0.5% by weight of a rare earth element compound; the nanoparticles and the rare earth element compound are used for forming a complex for repairing small surface defects; the rare earth element compound comprises one or more of a dysprosium compound, a praseodymium compound and / or a samarium compound; the nano particles comprise nano neodymium oxide and nano iron oxide, and the mass ratio of the nano neodymium oxide to the nano iron oxide is (1: 1)-(2: 3).

The invention discloses a preparation method of potassium sodium hydrogen citrate granules, which comprises the following steps: dissolving citric acid, sodium citrate and potassium citrate raw material medicines by using pure water, adding a proper amount of alcohol solvent, stirring to form a suspended raw material medicine solution, and carrying out spray drying, granulation and other processes to obtain the potassium sodium hydrogen citrate granules. The spray drying process is adopted, the mixed solvent of the pure water and the alcohol solvent is used, the uniform potassium sodium hydrogen citrate raw material medicine fine powder is obtained, the hygroscopicity of the powder is remarkably improved, the drying efficiency is high, the powder can be used for granulation without secondary smashing, and further prepared potassium sodium hydrogen citrate particles are uniform in color and good in stability and meet related quality standards.

The invention relates to the technical field of gene sequencing, in particular to a substrate additive for sequencing and application of the substrate additive. Wherein the stabilizer comprises potassium citrate, sodium salicylate, chitosan, sodium ascorbate, vitamin E, epigallocatechin gallate, glutathione, cysteine or a derivative thereof. The substrate additive provided by the invention can prevent a substrate from being oxidized to a certain extent and releasing free radicals, and can remove the free radicals generated in the reaction process, so that the substrate is more stable, and meanwhile, the generated free radicals are prevented from damaging to-be-detected DNA molecules, so that the sequencing quality is effectively improved.

A chemical composition for increasing density of liquids such as water for sports, bathing, leisure and / or rehabilitation uses includes in weight percentage: potassium citrate, between 1.2% and 63%; sodium citrate, between 1.5% and 66%; potassium chloride, between 2.2% and 97%; potassium ascorbate, between 5.1% and 94%; and sodium benzoate, between 1.03% and 22%. The components are water-soluble salts, environmentally friendly, which are common food additives, what makes them safety for humans. The composition can be added to water of swimming pools, ponds, tanks, rafts, bathtubs or artificial beaches, where it increases density, increasing floatability and facilitating the practice of sports, swimming, bathing or other leisure activities. It also helps to prevent development of microorganisms or other polluting substances and to diminish freezing point of the water where it has been added.

The invention provides a special silk screen membrane for bone repair and a preparation method thereof, which comprises an anti-inflammatory drug, a nano inorganic calcium salt and a biodegradable polymer, and potassium citrate and sodium bicarbonate are added to buffer the pH change in the degradation process of magnesium alloy bone nails, bone lamellas and polylactic acid. The nano inorganic calcium salt is grafted to a polylactic acid molecular chain by using a graft polymer, a catalyst and the like, so that the silk screen film continuously releases bone repair factors in the degradation process, and bone repair is more facilitated. Plasma is used for treating the electrostatic spinning membrane, the treated electrostatic spinning membrane has better adhesion capacity to anti-inflammatory drugs, and when the membrane is used in cooperation with materials such as magnesium alloy bone nails and bone lamellas, aseptic inflammation caused by magnesium alloy degradation can be effectively relieved. The number of layers of the silk screen films is calculated according to the use amount of the magnesium alloy bone nail and bone plate, and the corrosion speed of the magnesium alloy is controlled through 1-5 layers of silk screen films, so that the magnesium alloy material gives full play to the effect.

The application discloses a production process of high-potassium base compound fertilizer, which comprises the following steps: S1, raw material pretreatment: crushing potassium feldspar to 200 meshes, mixing with 5% sulfuric acid at a mass ratio of 1:3, calcining at 120-130 DEG C for 2-3 hours, washing until the pH is 6.5-7.0, and drying to obtain potassium feldspar activated powder; S2, putting potassium citrate solution, calcium citrate solution, potassium feldspar activated powder, trace element organic acid salt solution, urea, modified zeolite and binder into a high-speed mixer in proportion, uniformly stirring, adopting high-tower granulation to obtain base material particles; S3, drying the base material particles, removing the particles with a diameter less than 2.5 mm, spraying a plurality of composite films on the surface of the base material particles to coat, and drying to obtain coated base material particles; and S4, spraying bacillus subtilis agent on the surface of the coated base material particles, and low-temperature drying to obtain the high-potassium base compound fertilizer. The high-potassium base compound fertilizer produced by the application has high nutrient components, long fertilizer efficiency, small environmental pollution, and can improve the soil environment and improve the crop yield.

A composition comprising: a sugar selected from a monosaccharide, a disaccharide, and a combination thereof, preferably a monosaccharide; a sodium salt; and a potassium salt, preferably potassium citrate, tripotassium citrate, and / or a combination thereof; wherein the composition is substantially free of a phosphate salt; and wherein the composition is color stable.

The invention belongs to the field of metal-organic framework (MOF) material synthesis, and discloses a method for preparing a UTSA-16 material through two-step ball milling and a product. The method comprises the following steps: putting citric acid and potassium hydroxide into a ball mill for ball milling; adding metal acetate into the ball mill, mixing the metal acetate with the obtained product, carrying out ball milling again, and then washing and drying the obtained product to obtain a UTSA-16 material; the metal acetate is zinc acetate or a combination of zinc acetate and one of cobalt acetate, magnesium acetate and copper acetate. According to the efficient and green method for preparing the high-quality UTSA-16 material, citric acid and potassium hydroxide are subjected to ball milling to prepare potassium citrate, then mechanical energy generated by ball milling is utilized again to promote the potassium citrate and metal acetate to be subjected to a coordination reaction, the ion concentration in the raw materials in the reaction process is higher, and the yield is higher. The method has the advantages of high synthesis efficiency, high yield and the like, and the preparation process has the advantages of mild reaction conditions, low energy consumption, greenness, high efficiency and the like.

This invention relates to the field of agricultural fertilizer technology, specifically to a foliar fertilizer for navel oranges containing γ-aminobutyric acid (GABA) and its application. The foliar fertilizer comprises the following components in parts by weight: 10-25 parts GABA; 5-12.5 parts citric acid; 5-12.5 parts potassium citrate; 5-10 parts boric acid; 5-10 parts zinc sulfate; 0.5-2.5 parts sodium selenite; and water to 100 parts. The foliar fertilizer for navel oranges provided by this invention has advantages such as synergistic effects, environmental friendliness, precise and significant effects, and good stability. It can efficiently supplement trace elements and promote the overall quality improvement of fruits, meeting the requirements of green agriculture and possessing significant industrial application value and practical significance.

The application belongs to the technical field of pharmaceutical preparations, and particularly relates to an indocyanine green preparation and a preparation method and application thereof. The preparation is a liquid preparation or a freeze-dried preparation, raw materials for preparing the preparation include indocyanine green, phospholipid, cholesterol, a freeze-drying protective agent, water and a pH regulator, the pH regulator is selected from one or more of sodium citrate, potassium citrate, sodium tartrate, sodium acetate, sodium lactate and sodium succinate, and the pH of the preparation is adjusted to 6.0-8.5. By means of a specific organic acid salt buffer system and a specific preparation process (the freeze-drying protective agent is added before lipid film deposition), the application can specifically inhibit the growth of impurities with RRT 0.7 and RRT 0.3, respectively, and significantly improve the chemical stability of the preparation. Meanwhile, the preparation can realize accurate positioning of sentinel lymph nodes and second and third lymph nodes, and can be used for preparing a lymph tracer. The application effectively solves the technical problems of rapid impurity growth, poor stability and inaccurate multi-stage lymph positioning of the existing ICG preparation.

The contact lens treatment solution comprises: (a) one or more potassium salts selected from the group consisting of potassium chloride, potassium citrate, potassium hydroxide, potassium borate, potassium ethylenediaminetetraacetate, and potassium phosphate; (b) an antimicrobial agent comprising alexidine or a salt or free base thereof; and (c) optionally, one or more sodium salts selected from the group consisting of sodium chloride, sodium citrate, sodium hydroxide, sodium phosphate, sodium ethylenediaminetetraacetate, and sodium borate, wherein, when one or more sodium salts are present, the one or more potassium salts are present in an amount greater than the amount of the one or more sodium salts.

The invention discloses a preparation process of a hollow hard capsule of hypromellose, and relates to the technical field of the hollow hard capsule of hypromellose. The preparation process comprises the following steps: adding mixed hydroxypropyl starch, potassium citrate and modified chitosan into ultrapure water, heating and stirring to dissolve, and obtaining a glue solution; sequentially adding hydroxypropyl methylcellulose, carrageenan, succinic acid and a plasticizer into the glue solution, stirring evenly, adding gallic acid, stirring at room temperature for 10-15 minutes, adding alkyl dialdehyde, stirring at room temperature in the dark for 2 hours, removing bubbles, keeping warm for 2-4 hours, dipping in the glue to prepare capsules, and obtaining the hollow hard capsule of hypromellose.

Disclosed herein are aqueous oral care compositions and methods of making such compositions. One aspect of the aqueous oral care composition comprises sodium bicarbonate, glycerin, sodium gluconate, erythritol, magnesium chloride, zinc citrate, potassium citrate, water, and a plurality of extracts. Additional aspects include methods for making an aqueous oral care composition.

The application belongs to the technical field of circuit board repair, and particularly relates to a PCB copper surface repair process. The process comprises the following steps: detecting the copper surface of a PCB, identifying and positioning defects, and generating a three-dimensional damage atlas; using a cleaning solution containing tri-potassium citrate, sodium lauroyl sarcosinate, propyl gallate, glycerol and Trici ne to perform spot cleaning on the defect area; spraying a functional nano-activating agent dispersion liquid made of layered zirconium oxide nanosheets, carboxymethyl chitosan, ammonium tripolyphosphate, naringenin-dopamine-maleic acid copolymer and polyvinyl alcohol aqueous solution to form a nano-structure activation layer; and finally applying a conductive material to fill and repair the defects. The process can realize accurate repair of copper surface micro-defects, enhance the conductivity and interface bonding force of the repaired area, and the repaired PCB has excellent long-term stability, effectively improving the overall reliability and service life of the PCB.

The present invention relates to the technical field of antioxidant technology for livestock sperm, and provides a highly efficient antioxidant donkey sperm diluent, a preparation method thereof, and an application. A highly efficient antioxidant donkey sperm diluent includes a basal medium and additives, wherein: the basal medium contains the following components by weight in every 1000 mL of water: 30 - 60 g of glucose, 4 - 6 g of 4 - (2 - hydroxyethyl)piperazine - 1 - ethanesulfonic acid, 12 - 24 g of skim milk powder, and 0.5 - 1.1 g of potassium citrate; the additives contain the following components by weight in every 1000 mL of the basal medium: 5 mg - 10 mg of sulforaphane, 0.1 mg - 0.2 mg of stigmasterol, 40 μg - 100 μg of enrofloxacin concentrate, and 3 mg - 5 mg of cefotaxime sodium. The present invention can effectively improve the conception rate of female donkeys, reduce the incidence of metritis, and improve the in vitro sperm motility.