881 results about "Citrate potassium" patented technology

The invention relates to an offset printing fountain solution composition containing composite buffer system, which contains two buffer systems, wherein one of the buffer systems comprises citric acid and M2(I)HPO4, and in the molecular formula M2(I)HPO4, M is K plus, Na plus or NH4 plus ion; and the other buffer system comprises citric acid and potassium citrate, sodium citrate or ammonium citrate, components are as follows in percentage by weight: 1.0-10 percent of the citric acid, 1.0-10 percent of K2HPO4, Na2HPO4 or (NH4)2HPO4, 1.0-10 percent of the potassium citrate, the sodium citrate or the ammonium citrate, and the balance water. When 1 percent to 5 percent by weight of working solution prepared with the diluted fountain solution is used for printing, the change of pH value is less than 0.35, and when 1 percent to 2 percent of working solution is prepared, the change of pH value is less than 0.25. The ultrahigh buffering property of the fountain solution can significantly help to improve adaptability and tolerance during high-speed printing operation.

The antimicrobial and odor adsorbing fabric substrate has a surface and at least a portion of the surface is coated with a finish. The finish contains a compound selected from the group consisting of silver particle-containing compounds, silver ion-containing compounds, silver ion-generating compounds, and any combinations thereof, a hyperbranched polyethyleneimine derivative, potassium citrate, inorganic chloride, a polyurethane binder, and a cross-linking agent. The silver-ion containing compound is selected from the group consisting of silver zirconium phosphate, silver zeolite, silver glass, and any mixtures thereof or a conductive silver containing nanoparticle. The hyperbranched polyethyleneimine derivative is of the formula:

(R)_x−h-PEI−(A)_y

• • where R is a non-hyperbranched hydrocarbon group and the hydrocarbon group has at least one linear portion. The linear portion has between 5 and 30 carbon atoms, x is a number from 1 to 10,000, h-PEI is a hyperbranched polyethyleneimine, A is an organic compound having from 1 to 4 carbon atoms, and y is a number from 0 to 500.

The invention relates to a method for electroforming hard gold products. The method comprises the following steps: template picking, mould pouring, wax repairing and electric conducting layer coating are carried out to obtain a wax mould of a gold product to be processed, and a layer of electric conductive oil is coated on the surface of the wax mould; and a titanium net is taken as anode in the gold electroforming step, the wax mould coated with the electric conductive oil is put in an electrotyping bath as cathode, the electroforming solution is put in the electrotyping bath and includes sulfurous acid gold potassium, ammonium sulfite and potassium citrate, wherein the sulfurous acid gold potassium is combined with the ammonium sulfite, a trivalent gold ion is reduced into a univalent gold ion, the univalent gold ion generates close crystal grains, the close crystal grains are combined through the potassium citrate to form complexing gold through PH buffer solution, the gold is deposited on the wax mould to form a casting gold layer, and the half-finished product is prepared; and the wax film in the half-finished product and the electric conductive layer are removed in the wax removal step and the electric conductive layer removal step to obtain the finished product. The volume and the hardness of the gold product are changed by using the variation of the chemical structure of the gold ion, so that the hardness, the volume and the toughness of the gold product meet the standards simultaneously.

The invention discloses a self-setting composite bone repair material for human body hard tissue repair and application. The self-setting composite bone repair material comprises solid-phase powder and a liquid phase, wherein the solid-phase powder contains 5-20% of tricalcium silicate, 30-70% of electric smelting magnesium oxide, 5-30% of calcium phosphate bone cement, 5-30% of potassium dihydrogen phosphate or ammonium dihydrogen phosphate, and retarder accounting for 2-10% of the weight of basic oxide, i.e. magnesium oxide; the liquid phase is selected from one or a mixture of more than one of deionized water, soluble phosphate, sodium alginate, citric acid, potassium citrate and chitosan; and the ratio of the liquid phase to the solid phase is 0.3-0.8ml/g, and the solid-phase powder and the liquid phase are uniformly blended. The bone cement material has good combination property; and as the initial setting time of the bone cement material is 3-20 minutes, the final settling time is 7-50 minutes, and the compressive strength is 10-50Mpa in 24 hours and 20-90Mpa in 72 hours, the bone cement material can meet the requirement of clinical application and is suitable for treating bone defect repair and osteoporosis and fixing and treating bone fractures in orthopedic departments, spine surgery, plastic surgery and stomatological departments.

The invention relates to a preservation solution for organs, tissues or cells of human bodies or animals. The organ preservation solution comprises sodium citrate, potassium citrate, magnesium sulfate, sodium dihydrogen phosphate, sodium hydroxide, adenosine, arginine, tryptophan, mannitol, tetramethylpyrazine hydrochloride and other components. The organ preservation solution can be used for cooling, lavaging and preserving the organs of the human bodies or the animals, can effectively preserve human in vitro kidneys for 48 hours and animal in vitro kidneys for 72 hours, can prevent ischemia-reperfusion injury, and has great value for clinical application.

The present invention is a new non-cyanide alkaline copper plating bath, preparation and use method thereof. In the copper plating bath, using copper sulfate or basic copper carbonate as main salt, using hydroxy-ethylidene diphosphonic acid as main complexant, using trisodium citrate, potassium citrate or potassium sodium tartrate as auxiliary complexant, using sodium nitrate or potassium nitrate as conductive salt, using sodium hydroxide or potassium hydrate as pH value regulator; the operation conditions are: cathode current density is 0.5-3.0 A/dm [2], pH of plating bath controlled between 12 and 13, plating bath temperature is 50-70 DEG. Comparing with the prior known technology, the invention has following advantages or positive effects: simple plating bath formula, easy control and operation, wide temperature range of plating bath using, high current efficiency, fine crystallization coating, good appearance color, stable plating bath, strong uniform plating and covering ability, low cost, easy wastewater treatment. The invention can be used for pre copper plating or direct electro-coppering instead of virulent cyaniding electro-coppering process.

An environment-friendly high-density solid-free weighting agent comprises components in parts by weight as follows: 0.02-0.05 parts of a dispersant, 0.3-1 part of a tackifier, 0.5-1.2 parts of chelating agent, 0.6-2 parts of a corrosion inhibitor and the balance of soluble weighting materials, wherein the dispersant is one or two of sodium polyacrylate and copolymer of phosphono and carboxylic acid; the tackifier is one or more of chitosan, agar, polyacrylamide, xanthan gum and hydroxypropyl methyl cellulose; the chelating agent is one or two of aminophosphonic acid chelate resin and ethylenediamine tetraacetic acid disodium; the corrosion inhibitor is one or two of multiple polycarboxylate and sodium gluconate; the soluble weighting materials are one or more of potassium formate, potassium citrate, potassium acetate, potassium silicate and potassium sulfate. The process steps are as follows: the raw materials are taken in weight proportion, mixed and uniformly stirred; the raw materials are added to water and dissolved at the high temperature of 70-80 DEG C; a product is evaporated to dryness, and solid is obtained; the obtained solid is ground into powder, and the solid weighting agent is obtained.

The invention provides aluminum oxide polishing solution used for polishing sapphire. The aluminum oxide polishing solution is aqueous solution comprising the following components: 12-26wt% of alpha-aluminum oxide powder with the particle size of 80-350nm, 0.5-1.2wt% of a dispersing agent, 0.04-1.2wt% of a lubricating agent, 0.05-0.7wt% of a complexing agent, 0.08-0.4wt% of a preservative and 2.4-5wt% of a pH value regulator, wherein the dispersing agent is one or more than one of poly vinyl alcohol, polyvinylpyrrolidone, alkylphenol polyoxyethylene and fatty alcohol polyoxyethylene ether, thelubricating agent is one or more than one of polyethylene glycol 400, polyethylene glycol 600 and glycerin, the complexing agent is one or more than one of sodium gluconate, sodium lactate and potassium citrate, and the preservative is one or more than one of benzotriazole, potassium borate and sodium borate. The polishing solution provided by the invention has high polishing efficiency in a sapphire processing process, lubricating effect is excellent, a processed product surface is good in quality, and the polishing solution is simple in preparation method, low in cost and beneficial to industrial popularization and application.

The invention provides a weathering crust illuviation-type rare-earth ore leaching agent and a method for extracting rare earths by using the same, particularly a leaching agent solution for weathering crust illuviation-type rare-earth ores. The active component is citrate, wherein the citrate is any one of ammonium citrate, sodium citrate, potassium citrate and magnesium citrate, or mixture of sodium citrate, potassium citrate and magnesium citrate. The method for extracting rare earths from weathering crust illuviation-type rare-earth ores comprises the following steps: leaching by using the citrate as the active component of the leaching agent to obtain a rare-earth leaching mother solution, removing impurities, and adding a precipitant to obtain a rare-earth enriched substance. In the weathering crust illuviation-type rare-earth extraction process, cation exchange interaction and anion (citrate ion) complex action exist, and the two actions can cooperate to enhance the rare-earth recovery rate and lower the concentration and consumption of the leaching agent.

A tobacco foliar fertilizer and a preparation method thereof. The tobacco foliar fertilizer includes following components, by weight: 20-25 parts of potassium tripolyphosphate, 15-20 parts of potassium citrate, 3-6 parts of sargassum fermentation extract, 0.5-2 parts of glutathione, 0.5-2 parts of [beta]-deoxyglucose, 0.1-1 part of trans-abscisic acid, 0.5-1 part of xylooligosaccharide, 0.2-0.5 parts of salicylic acid, 1-3 parts of boric acid, 0.1-0.5 parts of ammonium molybdenate, 0.5-2 parts of EDTA-chelating zinc, 0.5-2 parts of EDTA-chelating magnesium, 0.3-2 parts of EDTA-chelating manganese, 0.3-1 part of EDTA-chelating copper, 0.5-1 part of alkyl polysaccharide glycoside and 31-56.2 parts of water. The tobacco foliar fertilizer is reasonable in combination and proportion, can promote growth of tobacco, can enhance the resistance capability on viruses, cold and dryness of tobacco, can increase yield, is green and environmental-friendly and can greatly improve quality of tobacco.

The invention discloses organic titanium-potassium fertilizer and a preparation method thereof. The fertilizer is characterized in that the fertilizer takes water as solvent; and the compositions of the fertilizer in every liter of water are: 5 to 100g of organic chelated titanium, 75 to 200g of glucose, 600 to 800g of potassium citrate, 0 to 130g of borax or boric acid, 0 to 90g of humic acid or potassium humate, 0 to 60g of EDDHA chelating agent and 7 to 12g of auxiliary agent. The organic titanium-potassium fertilizer not only makes effective use of the prior fertilizer resources to change the status quo of constant high potassium fertilizer price in China, relieve contradictions between supply and demand and save resource, but also overcomes the differences between southern China and northern China in climate, soil, and the like, thereby playing a remarkable role in solving soil hardening, salinization and acidification. The fertilizer can also improve adverse circumstance resistance of crops, and is suitable for soil of various climates and various crops; moreover, the fertilizer better ensures yield increase of various crops and solves the problems of farmers such as low economic benefits, income increase, labor intensity reduction and the like; meanwhile, the fertilizer is propitious to advocate rational application of the fertilizer and improve the quality of farm products.

The invention discloses a preparation method of a sugar alcohol chelated medium trace element liquid fertilizer, comprising the following steps: respectively using medium elements and trace elements in two reaction vessels to prepare mother liquor under different conditions and in presence of a chelating agent, mixing the two mother liquors and stirring, carrying out secondary chelating, and cooling to room temperature. The liquid fertilizer comprises the following substances (by weight): 3-10% of sugar alcohol, 0.5-3% of potassium citrate, 30-50% of calcium nitrate, 0-6% of calcium acetate, 0-8% of calcium citrate, 0-50% of magnesium nitrate, 2.5-5% of zinc nitrate, 1-3% of boric acid, 0.5-2% of organoboron, 0-2.5% of EDTA-Zn and the rest of water. The technology is simple. By the method of firstly respectively chelating and mixing medium trace elements for secondary chelating, better chelating degree can be achieved at low temperature. Meanwhile, the product has good solubility and meets requirements of sprinkling and dropping irrigation equipment. In addition, the sugar alcohol chelating technology is beneficial to crop absorption and utilization and can be widely promoted.

The invention relates to a ZIF-8 pyrolysis porous carbon-graphene composite material, a manufacturing method and an application thereof. The structure of the composite material is characterized in that graphene is wrapped on a surface of ZIF-8 pyrolysis porous carbon. The manufacturing method comprises the following steps of mixing zinc nitrate hexahydrate and 2-methylimidazole and dissolving in a solvent; standing for 1-2hs and acquiring a milk-shape solution; centrifuging, washing, carrying out vacuum drying and acquiring ZIF-8 crystal; and mixing the ZIF-8 crystal and potassium citrate, grinding, carrying out high temperature carbonization and acid pickling, drying and acquiring the material. The manufacturing method is simple and cost is low. The acquired ZIF-8 pyrolysis porous carbon-graphene composite material possesses advantages that a chemical property is stable, a capacitive character is good, a specific surface area is high and so on. A hierarchical pore and a three-dimensional conducting framework are fully used to increase electrochemical performance. Under a 1A/g current density, a specific capacitance reaches 300F/g. The material is an ideal high performance electrode material of a super capacitor.

The invention relates to an adjuvant for coal washing and desulfurizing. The adjuvant is prepared from the following raw materials in parts by weight: 20-25 parts of sodium hypochlorite NaClO, 12-15 parts of ammonium persulfate (NH4)S2O8, 8-12 parts of sodium glycollate HOCH2COONa, 6-10 parts of sodium acetate CH3COONa, 7-12 parts of potassium citrate K3C6H5O7H2O, 5-9 parts of sodium gluconate, 5-9 parts of edetic acid, 7-12 parts of potassium permanganate KMnO4, 25-32 parts of methanol CH3OH, 22-30 parts of triethanolamine (HOCH2CH2)3N, 12-16 parts of sodium dichromate Na2Cr2O7, 3-5 parts of polyaluminum ferric chloride PAFC,1-2 parts of urea CON2H4, 1-2 parts of polyacrylamide PAM, 0.5-0.8 part of sodium dodecyl benzene sulfonate C18H29NaO3S, 0.2-0.4 part of dispersing agent JFC and 100-120 parts of water. The adjuvant disclosed by the invention is simple to use, stable in performance and free of large investment and transformation equipment; the removal rate of inorganic sulfur and organic sulfur is more than 70 percent; and the removal rate of nitric oxides is more than 70 percent.

The invention relates to a method for detecting the content of bismuth in a bismuth potassium citrate medicament. According to the method, a sample is dissolved with acid; and the content of the bismuth in the bismuth potassium citrate medicament is determined by adopting an air-acetylene flame atomic absorption spectrometry and a bismuth hollow cathode lamp according to the absorption of a bismuth element in the medicament for a bismuth characteristic line. The method for detecting the content of the bismuth in the bismuth potassium citrate medicament by adopting the atomic absorption spectrometry is free from troublesome pretreatment, fewer in reagent types, simple in solution preparation and simple and quick in operation; and in addition, the method has the advantages of favorable selectivity and reproducibility, high accuracy, consistent measuring result with that of an official method, satisfaction in result and practical value.

The invention discloses building interior wall special-purpose antibacterial mildew-resistant emulsion paint. The building interior wall special-purpose antibacterial mildew-resistant emulsion paint comprises acrylic acid emulsion, polyurethane emulsion, bisphenol A epoxy resin, diphenylsilanediol, nanometer titanium dioxide, nanometer silica sol, nanometer zinc oxide, active carbon, tourmaline nanometer powder, dodecafluoroheptyl methacrylate, a film forming assistant, sorbitan monopalmitate, lauric acid, phenolic resin, N-phenyl-N'-cyclohexyl-p-phenylenediamine, potassium citrate, propyl p-hydroxybenzoate, succinic acid, sodium alginate, imidazolidone, chitosan, water and an assistant. The building interior wall special-purpose antibacterial mildew-resistant emulsion paint can form a fine paint film, has good antibiosis and mildew resistance and excellent water resistance and workability, has a refreshing smell and has strong adhesion to a base material.

Cyanogen-free preplated copper solution belongs to the technical field of surface treatment electroplating. The solution adopts a nontoxic organic phosphine compound to replace cyanide as a complexing agent for the preplated copper, and is particularly suitable for preplated copper used to electroplate steel, aluminum, magnesium, zinc, titanium and titanium alloy. The cyanogen-free preplated copper solution has the following main technical characteristic that the solution consists of (a) one sort of copper sulphate, basic cupric carbonate or copper nitrate with the volume concentration of between 30 and 60 g/L; (b) one sort or two sorts of compounds selected from methylene diphosphonic acid, 1-hydroxyethylidene 1.1 diphosphonic acid and 1-hydroxybutyleneidene 1.1 diphosphonic acid with the volume concentration of between 120 and 160 g/L; (c) one sort or two sorts of compounds selected from methylamino dimethylene diphosphonic acid, hexamethylene diamine tetramethylene phosphonic acid and ethylenediamine tetramethylene phosphonic acid with the volume concentration of between 2 and 5 g/L; (d) one sort of potassium citrate, amine citrate or seignette salt with the volume concentration of between 6 and 12 g/L, and (e) polyethyleneimine alkyl slat or aliphatic amine ethoxy sulfonated substance (AESS) with the volume concentration of between 0.02 and 0.05 g/L. The cyanogen-free preplated copper solution has the characteristics of stable service performance, simple solution compositions, convenient maintenance, high safety, environmental protection, reliable plating coat binding and the like.

The invention discloses citric acid gold potassium used for gold plating and the preparation method thereof. The molecular formular of the citric acid gold potassium is K3Au2C9H5O7N2. The method comprises the steps as follows: gold trichloride is dissolved in water of certain temperature, is concentrated and diluted under the temperature for multiple times, and is reacted with potassium citrate, ethylene diamine tetraacetic acid and malononitrile in a reactor under the certain temperature and the certain time to produce the organic gold salt which has low toxicity and contains no free cyanogen. When the product has the same gold content with the potassium gold cyanide, the total CN- is 5 to 6 percent, being 50 percent lower than that of the CN- in the potassium gold cyanide. The waste liquid after gold plating contains free the CN- in small amount. The invention reduces the cost of waste water treatment for the electroplating plants.

The invention discloses a hydrogen-enriched water powder solid beverage. The hydrogen-enriched water powder solid beverage comprises the following ingredients in parts by weight: 80-90 parts of seaweed extracts or seaweed powder, 5-10 parts of resistance dextrin, 1-5 parts of maltodextrin, 1-5 parts of rice plumule extracts or rice plumule powder, 0.01-0.1 part of taurine, 0.01-0.1 part of vitamins, 0.01-0.1 part of potassium citrate, 0.4-0.8 part of sodium carbonate and 0.2-0.5 part of silicon dioxide.

The invention provides compositions and methods for reformulating foodstuffs to reduce sodium content, while significantly enhancing salt perception and minimizing additional bitterness. In certain embodiments, the invention provides salt taste enhancing compositions including a blend of three potassium salts—namely, potassium chloride, monopotassium phosphate, and potassium citrate—which, when used in conjunction with sodium chloride, significantly enhances the salt perception in foods and beverages, while imparting no or limited bitter aftertaste. In other embodiments, the invention provides salt taste enhancing compositions including potassium chloride in combination with an organic acid and, optionally, an organic acid salt of potassium.

The invention discloses a cigarette paper additive, a preparation method and application thereof. The cigarette paper additive of the invention comprises the following ingredients in mass percent: 40 to 50 percent of potassium phosphate, 20 to 30 percent of potassium citrate, 20 percent of apple potassium, 10 percent of glucose and citric acid solution, wherein the citric acid solution is used for regulating the pH value of the accessory agent solution to the required range. The invention belongs to the improvement of the existing cigarette paper. When the cigarette paper adopting the cigarette paper additive of the invention is made into cigarette finished products, the pH value of the mainstream smoke can be regulated to a certain degree, the smoking quality of the cigarette can be effectively improved, and at the same time, the contents of the tar and the carbon monoxide in the mainstream smoke can be effectively reduced.