54 results about "Citrate potassium" patented technology

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.

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 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.

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 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 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.

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.

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 invention belongs to the technical field of solid beverages, and discloses a solid beverage containing magnesium and potassium and a preparation method thereof, the solid beverage comprises magnesium salt and potassium salt, and the mass ratio of K < + > to Mg < 2 + > is (2-5): 1; the potassium salt is potassium citrate; the magnesium salt is selected from at least one of magnesium oxide, magnesium gluconate, magnesium glycinate or magnesium citrate. Sylvite and magnesium salt are sieved and then added into purified water to be dissolved, and then spray drying is carried out; and carrying out subsequent packaging on the dried solid particles. The mass ratio of the main components K < + > to Mg < 2 + > of the magnesium-potassium solid beverage is (2: 1)-(5: 1), the two components in the ratio have a synergistic effect, the effect of improving sleep and constipation can be enhanced, and the effect is remarkably reduced when the ratio is not within the range.

The application provides a kind of cyanide leaching of immersion aid and leaching method, belongs to cyanide leaching gold field, wherein, the immersion aid is composed of the following mass percentage components: ammonium persulfate 50~80%, potassium citrate 10~30%, calcium peroxide 5~10%, ergothioneine 5~10%. The immersion aid provided by the application is added to the cyanide leaching process, which can improve the leaching efficiency, shorten the leaching time and reduce the amount of sodium cyanide. Compared with traditional immersion aid, the formula does not contain heavy metals, reduces the risk of environmental pollution, and the combination of ammonium persulfate and calcium peroxide is more stable than single oxidizing agent and is not easy to decompose and fail. The immersion aid has the advantages of oxidation strengthening, impurity inhibition and environmental friendliness, and can be widely used in cyanide gold extraction process, and has significant industrial application value.

The invention discloses bismuth potassium citrate particles and a dry granulation process thereof. On one hand, the invention provides a preparation process of bismuth potassium citrate. On the second aspect, the invention provides a dry granulation process of the bismuth potassium citrate granules, which comprises the following steps: S1, accurately weighing raw materials and auxiliary materials according to the formula ratio in parts by weight of the granules by using the bismuth potassium citrate prepared by the invention; s2, crushing the raw and auxiliary materials weighed in the step S1, adding the crushed raw and auxiliary materials into a boiling granulator, and then weighing purified water as a wetting agent; and S3, granulating the raw and auxiliary materials by using a boiling granulator, screening and collecting particles with the particle size of 10-50 meshes, thereby obtaining the bismuth potassium citrate particles. In the third aspect, the invention provides the bismuth potassium citrate particles prepared by the process. The preparation process is relatively simple, the prepared bismuth potassium citrate is high in purity and bismuth content, ammonia water is not used, raw materials and auxiliary materials in the granulation process are uniformly dispersed, and the prepared bismuth potassium citrate particles are relatively high in quality.

The invention belongs to the field of medical supplies, and discloses a medical fever cooling patch and a preparation method thereof. The medical fever cooling patch is prepared from the following raw materials in percentage by mass: 0.1%-2% of carrageenan, 0.02%-2% of potassium chloride, 0.02%-2% of konjac glucomannan, 0.02%-2% of maltodextrin, 0.01%-2% of potassium citrate, 0.01%-2% of sodium chloride, 0.02%-2% of edible glucose, 0.01%-2% of xanthan gum, 0.1%-10% of a carboxymethyl chitosan-modified activated zeolite composite material, 0.00001%-0.01% of a coloring agent and the balance of water. The water content of the fever cooling patch can be larger than 90%, and the cooling degree, the continuous cooling time, the good viscosity and other performance are effectively guaranteed. The electronegativity of CMCS in the carboxymethyl chitosan-modified activated zeolite composite material and the electronegativity of the modified activated zeolite have a synergistic effect, so that no preservative is added, the cytotoxicity of the zeolite is greatly reduced, the biological evaluation of the medical fever cooling patch meets the requirements, and the survival rate of L929 cells is greater than 90%.

This invention belongs to the field of pharmaceutical preparations and discloses a self-heating gel granule formulation for assisting in the swallowing of medications. By weight fraction, the raw material components include: calcium chloride: 5%–10%; potassium citrate: 2%–5%; edible gum: 5%–20%; and edible excipients: 65%–82%. The mass ratio of potassium citrate to calcium chloride is 1:1–5. This invention utilizes the exothermic dissolution properties of calcium chloride and potassium citrate to spontaneously provide sufficient heat for the rapid gelation of the gel material. Simultaneously, based on differences in consumer swallowing and taste preferences, it provides gel granule formulations with varying viscosities and flavors to meet diverse market demands.

The application relates to a preparation method and application of a nano-alumina polishing solution for a silicon carbide substrate sheet. The nano-alumina polishing solution comprises 0.5wt%-6.0wt% of alpha-Al2O3 abrasive, 0.5wt%-5.0wt% of an oxidizing agent, 0.1wt%-1.0wt% of an auxiliary oxidizing agent, 0.05wt%-0.50wt% of a pH regulator and 0.10wt%-0.50wt% of a dispersing agent, and the rest is water; the alpha-Al2O3 abrasive has a D10 of 0.100-0.140 microns, a D50 of 0.180-0.230 microns, a D90 of 0.240-0.300 microns, a D100 of 0.340-0.420 microns and a diameter interval of 0.6-0.9. The preparation method of the alpha-Al2O3 abrasive is as follows: alpha-Al2O3 powder is prepared into alpha-Al2O3 slurry, potassium citrate is added, sanding is carried out, and the alpha-Al2O3 slurry after sanding is subjected to particle grading to obtain the alpha-Al2O3 abrasive. Compared with the prior art, the alpha-Al2O3 abrasive after grading is selected as the abrasive particle for silicon carbide polishing, and the potassium permanganate with stronger oxidizing property is selected as the oxidizing agent, the prepared nano-alumina polishing solution is used in chemical mechanical polishing of the silicon carbide substrate sheet, the silicon surface material removal rate of the silicon carbide substrate sheet is improved, the surface roughness is reduced, and the surface quality of the atom level smoothness is obtained.

The invention discloses a preparation method and application of a temperature-controlled lignin-based porous carbon material, sodium lignin sulfonate extracted by a sulfate method and potassium citrate are used as precursors by an impregnation method, and the lignin-based porous carbon material with a high specific surface area is prepared through calcination. A developed pore structure and a relatively high specific surface area cooperate with oxygen-containing functional groups such as hydroxyl and carboxyl to promote a catalytic reaction of CO2 and an epoxy compound. Experimental results show that the lignin porous carbon (SLAC) calcined at different temperatures has excellent catalytic activity on CO2 cycloaddition reaction, the yield of cyclic carbonate can reach 94.7%, and compared with the yield of 41.2% of cyclic carbonate catalytically synthesized without adding potassium citrate, the catalytic activity of the lignin porous carbon material (SLAC) is obviously improved. The method not only expands the value-added utilization of lignin, but also converts CO2 into high-value chemicals.

Provided are an application of a citrate metal salt in endodontic treatment, and a formulation obtained by preparation; said citrate metal salt is used for removing a tarnished layer, and the citrate metal salt is lithium citrate, sodium citrate, potassium citrate, or magnesium citrate. The citrate metal salt is co-formulated with a citrate metal salt-compatible single-chain cationic antimicrobial agent, achieving results that are currently achieved only by alternating rinsing with EDTA-containing and sodium hypochlorite preparations in endodontic treatment.

The present invention relates to the technical field of environmentally friendly materials. The present invention provides an environmentally friendly stripping agent for NdFeB materials, a preparation method thereof, and a use method thereof. The stripping agent contains 1-5 weight percent of ammonium carbonate, 5-10 weight percent of sodium dihydrogen phosphate or trisodium phosphate, 1-5 weight percent of sodium hydroxide, 10-15 weight percent of potassium citrate, 5-10 weight percent of aminotriethanol, 15-20 weight percent of hexamethylenetetramine or ethylenediamine, 40-50 weight percent of deionized water, and 0.1-1 weight percent of A chelating agent and a surface repair agent; wherein the surface repair agent is a composition comprising 0.1-1 weight percent nanoparticles and 0.1-0.5 weight percent rare earth element compounds; the nanoparticles and the rare earth element compounds are used to form a complex for repairing tiny surface defects; the rare earth element compounds include dysprosium compounds, and one or more of praseodymium compounds and / or samarium compounds; the nanoparticles include nano-neodymium oxide and nano-iron oxide, and the mass ratio of nano-neodymium oxide to nano-iron oxide is 1:1-2:3.

The invention relates to the technical field of surface treatment, and discloses a gold plating solution, a preparation method thereof and an electroplating process. According to the total volume of the gold plating solution, the gold plating solution comprises the following components by concentration: 1-20 g / L of gold salt; 100 to 230 g / L of citrate; 20 to 50g / L of oxalate; 0.5-5 g / L of a transition metal additive; 4-10 g / L of an antioxidant; 1-5 g / L of a surfactant; wherein the pH value of the gold plating solution is 4-4.8, and the specific gravity of the gold plating solution is 10-15; the citrate comprises potassium citrate and citric acid; the transition metal additive is selected from at least one of cobalt salt, nickel salt and ferric salt. The preparation method is simple, and the prepared gold plating solution is used for the steps of base material pretreatment, electroplating treatment and aftertreatment in the electroplating process, so that the prepared gold plating product has excellent binding force, wear resistance, corrosion resistance and the like.

An environmentally-clean aqueous-based fire extinguishing biochemical liquid concentrate to be mixed with a proportioned quantity of water, to produce a fire extinguishing water stream that produces good immediate extinguishing effects when applied to extinguish a burning or smoldering fire, and good long-term fire inhibiting effects when being proactively applied to protect combustible surfaces against the threat of fire. The environmentally-clean aqueous-based fire extinguishing biochemical liquid concentrate includes: a dispersing agent realized in the form of a quantity of water, for dispersing potassium ions dissolved in water; a fire inhibiting agent in the form of at least one alkali metal salt of a nonpolymeric saturated carboxylic acid, specifically potassium citrate, for providing potassium ions dispersed in the quantity of water when the potassium citrate is dissolved in the quantity of water; and a dispersing agent in the form of triethyl citrate, an ester of citric acid, for dispersing the potassium ions in the quantity of water, and lowering the surface tension of the liquid solution formed when the potassium citrate is dissolved in the quantity of water, forming of a fire extinguishing liquid solution, for mixing with a proportioned amount of water, to produce a fire extinguishing water stream having good immediate extinguishing effects when applied to extinguish a burning or smoldering fire, and good long-term fire inhibiting effects when applied proactively to protect combustible surfaces against the threat of fire ignition and flame spread of an incident fire.

Slurries and methods of making slurries for modifying and extending relative humidity control ranges. The slurries may include a saturated aqueous salt and one or more other reagents selected to provide a controlled modifiable narrow range of relative humidity. The saturated aqueous salt may be one or more of sodium chloride, potassium chloride, potassium citrate, sodium formate, and / or magnesium chloride, and the one or more other reagents may be one or more of a lactate salt, glycerol, and / or an acetate salt, for example.

This invention discloses a high-hardness, high-purity cyanide-free electroforming gold solution, its preparation method, and its application, belonging to the fields of electrochemical deposition and jewelry manufacturing technology. The high-hardness, high-purity cyanide-free electroforming gold solution comprises: sodium gold sulfite (calculated as gold) 10-14 g / L, sodium sulfite 100-130 g / L, ethylenediamine sulfate 22-33 g / L, potassium citrate 25-35 g / L, and trace rare earth element additives 0.5-2 mg / L, with a pH value of 7.2-7.6. This invention refines grain size by introducing pre-complexed trace rare earth element additives, utilizing the difference in atomic radius to generate a pinning effect at grain boundaries; it also utilizes the preferential adsorption of sodium 3-mercapto-1-propanesulfonate at microscopic peaks to generate local polarization differences to fill microscopic valleys; and it reduces the internal crystallization stress of the electroformed layer by constructing a composite complex system of sodium sulfite, ethylenediamine sulfate, and DTPA.

The invention relates to the technical field of mixing equipment, in particular to mixing and stirring equipment for producing a bismuth potassium citrate raw material medicine, which comprises a tank body, two liquid preparation components for preparing raw material liquid are arranged at the top of the tank body, and a mixing component for mixing prepared liquid is arranged on the tank body and below the liquid preparation components. A plurality of precipitation assemblies for concentrating and crystallizing a mixed solution are distributed in the tank body in the circumferential direction, a drying assembly is arranged below the precipitation assemblies in the tank body, the drying assembly comprises a drying tank, an evaporation cone, a blocking ring, a stirring rod and a grinding cone, and all the assemblies are matched with one another to complete production of a bismuth potassium citrate bulk drug; the technical effects of realizing a series of production processes from raw material liquid preparation, mixing, precipitation, drying and grinding and the like of the bismuth potassium citrate raw material medicine and improving the production efficiency and the product quality are achieved.

The invention relates to a low-grade gold ore heap leaching method. The method comprises the following steps: crushing and grading ores into four particle sizes of coarse, medium, fine and fine silt; respectively adding a compound additive containing ferrous sulfate, potassium citrate, citric acid and sodium citrate into the fine particle grade and the fine silt grade, and granulating to realize iron pre-activation and potassium source presetting; adopting a three-layer reversed-order gradient heap building with a coarse fraction as a bottom layer, a medium fraction and a part of granulation particles as a middle layer and the rest granulation particles as an upper layer; a potassium ferricyanide circulating system with concentrated spraying on the upper layer, targeted liquid supplementing on the middle layer and aeration regeneration on the bottom layer is established, and pre-activated Fe < 2 + > on the upper layer is utilized to generate part of potassium ferricyanide in situ to selectively oxidize arsenopyrite. According to the method, iron sources of ores and ferrous sulfate are used for supplementing iron in a low-price mode, cyclic regeneration is combined with potassium ferricyanide, agent consumption and cost are greatly reduced, harm reduction of arsenic is achieved, and the method has the advantages of being high in gold leaching rate, short in leaching period, environmentally friendly, low in comprehensive cost and the like.

To provide a novel treatment option with high safety for pancreatic cancer patients who are in third-line treatment or subsequent treatment stages.SOLUTION: A compounded preparation of potassium citrate and sodium citrate hydrate for use in a treatment method for pancreatic cancer patients in third-line or later-line treatment.SELECTED DRAWING: None