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1550 results about "Citrate sodium" patented technology

Sodium citrate may refer to any of the sodium salts of citrate (though most commonly the third): The three forms of the salt are collectively known by the E number E331. Sodium citrates are used as acidity regulators in food and drinks, and also as emulsifiers for oils.

Novel inorganic decoration base material plate and preparation method thereof

InactiveCN105130350AImprove water and moisture resistanceAdjust clotting timeSucroseMoisture absorption
The present invention discloses a novel inorganic decoration base material plate and a preparation method thereof. The novel inorganic decoration base material plate is prepared from the following raw materials by weight: 45-50% of magnesium oxide, 15-20% of magnesium sulfate, 1-1.5% of a modifier, 5-10% of a filler, 1-5% of a reinforcing material, and the balance of water. According to the present invention, the magnesium sulfate is used to replace the magnesium chloride as the gelling material, such that the prepared base material plate almost does not contain chlorine ions; the mixture of citric acid, sodium citrate and sucrose is adopted as the modifier so as to adjust the condensation time and significantly increase the water resistance and the dampness resistance of the base material plate; and the prepared base material plate has characteristics of good waterproof performance, no moisture absorption efflorescence, high strength, cracking deformation resistance, good flexibility, good durability, significantly improved fireproof performance, no formaldehyde release during production and use processes, safety and environmental protection, and can be widely used as the base plates of fireproof plates, suspended ceiling plates, decorative plates, partition boards and other plates.

Preparation of 06 grade gypsum based autoclave-free aerated concrete building blocks

The invention relates to a method for preparing an aerated concrete block, in particular to the method for preparing a 06-grade gypsum based vapor pressure free aerated concrete block, which is characterized in that that the method comprises the following steps: 1) preparing raw materials; 2) selecting the raw materials; 3) preparing composite gelled materials; 4) dissolving retarder sodium citrate in water which accounts for 1/5 to 2/5 of the total amount, stirring the mixture and immediately adding the mixture to the composite gelled material, and stirring the mixture for 2 minutes to obtain liquid slurry; 5) adding a mixture of air-entraining agent aluminum powder and degreaser honeylocust fruit powder to the remaining water to be stirred into a suspension which is then immediately added to the liquid slurry, and stirring the mixture for 3 minutes to obtain mixed slurry; 6) pouring the mixed slurry into a test mold, and performing cutting and demolding after 6 to 8 hours of natural curing to obtain a blank body; and 7) performing damp heat curing on the blank body for 24 hours, and then drying and dehydrating the blank body naturally to obtain the finished product. The method has the advantages of simple process, low cost and high utilization rate of desulfurization construction gypsum; and the finished product has the characteristics of light weight, thermal insulation, sound absorption and insulation, vibration resistance and fire prevention, conditioning treatment, good water resistance, small dry-wet shrinkage, and stable performance.
Owner:中博建设工程集团有限公司 +1

Method for preparing nano silver film with enhanced Raman scattering substrate based on microwave technique

The invention relates to a method for preparing a nano silver film with an enhanced Raman scattering substrate based on a microwave technique, which comprises the following steps: adding 50.0-90.0mg of silver nitrate, 100.0-140.0mg of polyvinyl alcohol and 10.0-30.0mg of sodium citrate to 200mL of ultrapure water to be dissolved and poured into a container; placing a glass slice which is cleaned by concentrated sulfuric acid into the 200mL of mixed liquid containing ammonia water and hydrogen peroxide to be soaked for 5-15 hours; cleaning the glass slice for 2-4 times respectively by tap water and the ultrapure water; tightly fixing the processed glass slice in the container and enabling one surface of the processed glass slice to be in contact with the mixed liquid containing the silver nitrate, the polyvinyl alcohol and the sodium citrate; placing the container which is filled with the glass slice and the mixed liquid into a microwave oven to be heated for 10-30 minutes; enabling the electropositive nano silver particles which are prepared by microwave heating to be absorbed on the glass slice, wherein the surface of the glass slice is electropositive; and taking out the glass slice out of the reaction solution to be dried, thereby obtaining the nano silver film with the infrared surface enhanced Raman scattering substrate. The method provided by the invention is simple and has the advantage of low cost, and the obtained nano silver film is stable and efficient and has the biological compatibility.

Electroplating pretreatment method for acrylonitrile butadiene styrene (ABS) plastic surface

The invention relates to an electroplating pretreatment method for an acrylonitrile butadiene styrene (ABS) plastic surface. The electroplating pretreatment method comprises the following process steps of: eliminating stress, performing alkali washing for oil removal, pickling, roughening, performing neutralizing treatment, performing chemical activation, and performing the conventional electroplating, wherein in the chemical activation process, plastic base materials are put in to an activation solution and are subjected to hyperthermic treatment in a water bath for a certain period of time, each liter of the activation solution comprises 10 to 12g of nickel sulfate, 20 to 25g of sodium hypophosphite and 5 to 8g of sodium citrate, the pH is 9 to 11, and the temperature is between 70 and 75 DEG C. In the invention, a novel method in which metal palladium activation is not used is provided, can be used for replacing a sodium borohydride and methanol activation process and contributes to environment friendliness; and on the basis of pretreatment, the plastic surface can be directly electroplated, so that the problems of complicated treating processes, high PdCl2 prices, high pollution possibility of a plating solution and the like are solved.

Lithium ion battery cathode material of which nano particles embedded into carbon nanosheet and preparation method of lithium ion battery cathode material

InactiveCN105449214AInhibition of volume expansion effectIncrease capacityMaterial nanotechnologyCell electrodesLithium electrodeTin
The invention discloses a lithium ion battery cathode material of which nano particles are embedded into a carbon nanosheet and a preparation method of the lithium ion battery cathode material, which belong to the technical field of electrochemistry. According to the method, water-soluble organic matter (glucose, saccharose, fructose, citric acid, sodium citrate and the like) is used as a carbon source, commercial submicron particles (such as metallic tin, stibium, germanium, nonmetallic silicon and the like) are used as a particle source, sodium chloride is used as a template, the carbon source, the submicron particles and the sodium chloride are added into a ball milling tank for ball milling according to a proper proportion, and a mixture is dried and calcined. A simple ball milling method and a pyrolysis method are used for preparing the lithium ion battery cathode material of which the nano particles are uniformly embedded into the carbon nanosheet. According to the lithium ion battery cathode material of which the nano particles are uniformly embedded into the carbon nanosheet, the specific surface area is large, the surface is of a porous structure, the preparation method is simple, and the lithium ion battery cathode material has good circulation and rate performance.

Prophylactic/ameliorating agent for adult diseases comprising 5-aminolevulinic acid, derivative of 5-aminolevulinic acid, or salt of 5-aminolevulinic acid or the derivative or 5-aminolevulinic acid as active ingredient

ActiveUS20110196033A1Ameliorate and prevent adult diseaseImprove basal metabolismHeavy metal active ingredientsBiocideImpaired liver functionDisease
It is to provide a pharmaceutical composition which is different from an existing therapeutic agent of an adult disease, of a biochemical reaction-inhibiting type, and which action mechanism is to improve the basal metabolism, wherein the composition has no side effects, and does not generate drug resistance against adult disease; and a method for preventing/treating an adult disease by using the same. It is to provide a composition for preventing/ameliorating an adult disease such as metabolic syndrome, diabetes, hyperlipidemia, hypertension, impaired liver function, renal failure, adiposity, erectile dysfunction, menopausal disorder, shoulder discomfort, and low back pain, comprising 5-aminolevulinic acid (ALA), its derivative, or salt thereof, preferably comprising ALA, its derivative, or salt thereof, and an iron compound such as sodium ferrous citrate, iron sodium citrate and iron ammonium citrate; a food or food material for preventing/ameliorating an adult disease comprising the composition; and a method for using the composition for preparing an agent for preventing/ameliorating an adult disease.
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