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60 results about "Citric Acid Monohydrate" patented technology

A tricarboxylic acid found in citrus fruits. Citric acid is used as an excipient in pharmaceutical preparations due to its antioxidant properties. It maintains stability of active ingredients and is used as a preservative. It is also used as an acidulant to control pH and acts as an anticoagulant by chelating calcium in blood.

Preparation method of composite flocculant based on efficient water treatment

The invention discloses a preparation method of a composite flocculant based on efficient water treatment, belongs to the technical field of flocculant processing, and aims to solve the technical problem that the flocculation performance and the settling performance of a flocculant need to be further improved in the prior art. The preparation method specifically comprises the following steps: putting acrylamide, diallyldimethylammonium chloride, 2-hydroxypropyl methacrylate and deionized water into a reaction kettle, and uniformly mixing to obtain a mixed monomer; according to the preparation method, citric acid monohydrate and iron nitrate nonahydrate react under a mild acidic condition to form a Fe < 3 + >-citric acid complex, and then 2-hydroxyethylamine is introduced to further participate in complexing to obtain a citric acid complexing solution, so that not only is the flocculation performance of the composite flocculant improved, but also the settling performance of the composite flocculant is improved.
Owner:NINGXIA SANSEYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Sulfur tea tree essential oil silicone-oil-free shampoo and preparation method thereof

The invention relates to the field of washing, and particularly discloses sulfur tea tree essential oil silicone oil-free shampoo. The shampoo comprises the following raw materials: water; fatty alcohol polyoxyethylene ether sodium sulfate; coconut oil monoethanolamide; hydroxypropyl guar gum hydroxypropyl trimethyl ammonium chloride; disodium EDTA (Ethylene Diamine Tetraacetic Acid); cocamidopropyl betaine is added; an alkyl glycoside; sodium lauroyl sarcosine; allantoin; pPG-3 (Polypropylene Glycol) octyl ether; a polyquaternary ammonium salt-52; colloidal sulfur; d-panthenol; 10 parts of polyquaternium-10; a pearling agent; maltotetraose; tea tree essential oil; a preservative; a colorant; daily-use essence; and citric acid monohydrate. The preparation method comprises the following steps: sequentially adding the raw materials, dispersing and dissolving, adjusting the pH value, filtering and discharging. The shampoo disclosed by the invention can keep water-oil balance of scalp and reduce the problems of hair damage and dryness at the same time.
Owner:ZHEJIANG DACHENG TECH CO LTD

Injectable epinephrine formulations demonstrating stability over time

Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg / mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg / mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg / mL sodium citrate dihydrate, 3.3 mg / mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg / mL of sodium metabisulfite, and 4 μg / mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg / mL of epinephrine and other ingredients.
Owner:AMPHASTAR PHARMACEUTICALS INC

Preparation method of agaro-oligosaccharide

The preparation method comprises the following steps: (1) dissolving agar in a citric acid monohydrate solution, and carrying out acidolysis to obtain an acidolysis solution; centrifuging, filtering, adding beta-agarase AgWH50B, and carrying out enzymolysis for 20-28 hours at the temperature of 30-35 DEG C; boiling, centrifuging and filtering to obtain supernate, namely crude oligosaccharide liquid containing agarotriose; (2) dissolving agar in a phosphoric acid solution, and degrading for 55-65 minutes at the temperature of 97-103 DEG C; centrifuging and filtering to obtain supernate, namely crude oligosaccharide liquid containing agarobiose; (3) dissolving agar in deionized water, adding alpha-agarase A33, and carrying out enzymolysis at 38-42 DEG C for 20-28 hours; and boiling, centrifuging and filtering to obtain supernate, namely crude oligosaccharide liquid containing agarotetraose. The preparation method of the agaro-oligosaccharide is used for preparing agarotriose, agarobiose and agarotetraose, and the product purity is high. The method can provide guidance for subsequent large-scale industrial production of agaro-oligosaccharide.
Owner:OCEAN UNIV OF CHINA

Preparation method of ready-to-use stable 3D-MLA adjuvant solution

The invention relates to the technical field of biological pharmacy, and discloses a preparation method of a ready-to-use stable 3D-MLA adjuvant solution, which comprises the following steps: dissolving citric acid monohydrate and trisodium citrate dihydrate in water for injection to prepare a citrate buffer solution; adding polysorbate 80 into the citrate buffer solution while stirring, and dissolving the polysorbate 80; adding 3D-MLA into the obtained solution under stirring, and dissolving the 3D-MLA; adjusting the pH value of the solution; fixing the volume by using water for injection; sterilizing and filtering through a filter membrane, filling a container with filtrate, and sealing; and refrigerating and storing. According to the present invention, the citrate buffer solution is adopted, the pH value of the adjuvant solution is adjusted, and the combination effect of the buffer system and the pH environment is utilized, such that the chemical degradation of the 3D-MLA in the injection water is effectively inhibited, the technical problem that the solution is easily degraded is solved, and the ready-to-use preparation capable of maintaining the stability under the refrigeration storage condition is obtained.
Owner:HUANUOTAI BIOMEDICAL TECHNOLOGY (CHENGDU) CO LTD

A pH-responsive degradable composite antibacterial film derived from waste bone powder extract

The application discloses a pH-responsive degradable composite bacteriostatic film derived from waste bone powder extract and a preparation method thereof. The main components of the film are collagen and hydroxyapatite extracted from waste bone powder, citric acid monohydrate-betaine and lactic acid-betaine eutectic solvent, and in addition, purple corn anthocyanin is used as a pH response agent, and citric acid monohydrate-betaine eutectic solvent is used as a crosslinking agent and a bacteriostatic agent. In the preparation process, collagen and hydroxyapatite are mixed with an aqueous solution of eutectic solvent and heated, and after the system is reduced to room temperature, the anthocyanin aqueous solution is added, mixed, and ultrasonic defoaming is performed, then the film forming liquid is poured into a clean mold, vacuum dried, and cooled to remove the film. The pH-responsive degradable composite film prepared based on the above method has good properties, not only has the characteristics that the overall color changes with the microenvironment pH, but also has good mechanical strength, bacteriostasis and degradability, and has wide application potential in many fields such as food preservation.
Owner:SICHUAN UNIV

Granular active carbon material loaded with ferromanganese bimetallic oxide, preparation method and application of granular active carbon material

The invention relates to a ferromanganese bimetallic oxide-loaded granular active carbon material, a preparation method and application thereof, and belongs to the technical field of environmental functional materials and water treatment.The preparation method comprises the following steps: determining the saturated water absorption volume of granular active carbon per unit mass; the preparation method comprises the following steps: sequentially and completely dissolving manganese acetate tetrahydrate and iron nitrate nonahydrate in deionized water, then adding citric acid monohydrate, and fully stirring for reaction to obtain a manganese-iron-citric acid sol system; putting the dried granular activated carbon into a manganese-iron-citric acid sol system, uniformly stirring, and standing to obtain iron-manganese impregnated granular activated carbon; transferring the iron-manganese impregnated granular activated carbon into a drying oven for drying to obtain dried iron-manganese impregnated granular activated carbon; the dry iron-manganese impregnated granular active carbon is calcined under the oxygen-limited or oxygen-free condition, equivalent-volume impregnation, a normal-temperature sol-gel method and a high-temperature calcination technology are combined, no organic solvent or high-pressure equipment is needed, operation is safe, no waste liquid is generated, and large-scale production of materials is easy to achieve.
Owner:SHANDONG SIHAI WATER TREATMENT EQUIP CO LTD

Preserved plum flavored lobster marinade and preparation method thereof

The invention relates to the technical field of marinade seasonings, and particularly discloses preserved plum flavored lobster marinade and a preparation method thereof. The preserved plum flavored lobster marinade is prepared from the following raw materials in parts by weight: 10-15 parts of fragrant vinasse juice, 10-15 parts of yellow wine, 0.6-1.2 parts of a seasoning composition, 0.1-0.2 part of a spice extracting solution, 0.4-0.5 part of a preserved plum extracting solution and 0.1-0.3 part of a stable mixed additive, the stable mixed additive is composed of citric acid monohydrate and sodium carboxymethyl cellulose, and the weight part ratio of the citric acid monohydrate to the sodium carboxymethyl cellulose is 1: (1.6-2.4); the preserved plum extracting solution is prepared by the following steps: mixing preserved plums and yellow wine according to a weight ratio of 1: (15-25), and standing for 3-5 days to obtain the preserved plum extracting solution. The stability of the preserved plum component in the preserved plum flavored lobster marinade is remarkably improved, and the actual use effect is remarkably improved.
Owner:SHANGHAI BEAU IDEAL FERMENTATION CO LTD

Heavy activated sludge process anaerobic microorganism nutritional agent and application thereof

The invention belongs to the technical field of heavy oil sewage biochemical treatment, and discloses a heavy activated sludge process anaerobe nutritional agent and application thereof, the nutritional agent comprises a component A and a component B, the component A is citric acid monohydrate, the content of the component A is 114-125g / L; the component B is ammonium phosphate with the content of 57-69g / L; the component C is glycerol with the content of 185 to 196g / L; the component D is 35 to 42g / L of starch-acrylamide graft polymer; the component V is a mixture of alpha-transglucosidase and alpha-amylase; the content is 1.3-1.5 g / L, the component is coal powder granular active carbon, and the solvent is water. The components of the preparation are non-toxic components, the organic components are degradable components, the preparation belongs to an environment-friendly product, the main components are stabilized in the form of comprehensive technologies such as net crosslinking and activated carbon adsorption, the effects of the main components are not affected, production is convenient and fast, the preparation is stable, reproduction of exopolysaccharide producing bacteria is facilitated, and meanwhile the efficiency of various microorganisms can be improved in a targeted mode.
Owner:PETROCHINA CO LTD

A method for preparing ultra-high purity citric acid monohydrate based on supercritical CO2

This application discloses a method for preparing ultra-high purity citric acid monohydrate based on supercritical CO2, belonging to the field of citric acid preparation technology. The method includes the following steps: dissolving citric acid monohydrate in an organic solvent to prepare a citric acid solution; spraying the citric acid solution into a supercritical CO2 environment to crystallize the citric acid using the supercritical anti-solvent effect; performing dynamic washing with pure supercritical CO2; and obtaining ultra-high purity citric acid monohydrate crystals after depressurization and drying. The citric acid monohydrate product prepared by this method has high purity, high light transmittance, low total metal ion content, controllable crystal habit, and low organic solvent residue, meeting the stringent requirements of high-end applications such as electronic and pharmaceutical grades.
Owner:TTCA

Refreshing and appetizing green cumquat honey composite beverage and preparation method thereof

The invention provides a refreshing and appetizing green cumquat honey composite beverage and a preparation method thereof, and belongs to the technical field of fruit juice beverages. The green kumquat compound beverage comprises the following components in percentage by mass: 8-12% of high fructose corn syrup, 3-8% of white granulated sugar, 15-25% of green kumquat hydrolat fermentation liquor, 25-35% of green kumquat normal juice, 1-3% of Chinese date honey, 2-4% of honey, 0.6-1% of citric acid monohydrate and 0.3-0.8% of sodium citrate. Wherein the green kumquat hydrolat fermentation liquor is prepared by extracting green kumquat peel and then carrying out mixed fermentation on the extracted green kumquat peel and the extracted green kumquat peel and the extracted green kumquat peel and the extracted green kumquat peel and the extracted green kumquat peel and the extracted green kumquat peel. The prepared green kumquat compound beverage not only retains the original fragrance and nutrient substances of the green kumquats, but also effectively relieves the bitter taste, and provides a new thought for fruit juice beverages.
Owner:AOTAI (GUANGDONG) BIOTECHNOLOGY CO LTD

Manganese ferrite / zinc gallate heterojunction photocatalyst as well as preparation method and application thereof

The invention belongs to the technical field of photocatalytic materials, and particularly relates to a manganese ferrite / zinc gallate heterojunction photocatalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: 1) dissolving zinc acetate and gallium nitrate hydrate in deionized water, then adding citric acid monohydrate, and obtaining zinc gallate by using a sol-gel method; 2) dissolving ferric chloride hexahydrate and manganese chloride tetrahydrate in deionized water, then adding a sodium hydroxide solution, and obtaining manganese ferrite by using a hydrothermal method; 3, zinc gallate and manganese ferrite are dissolved in a methanol solution, and the manganese ferrite / zinc gallate heterojunction photocatalyst is obtained through a mechanical stirring method.By means of heterojunction formation, the activity of the manganese ferrite / zinc gallate for photocatalytic reduction of carbon dioxide can be greatly improved.
Owner:LIAONING UNIVERSITY

A short rod-shaped tantalum oxide-graphene quantum dot nanocomposite, a preparation method and application thereof

The application discloses a short rod-shaped tantalum oxide-graphene quantum dot nanocomposite, a preparation method and application thereof, and belongs to the technical field of nanomaterial science and photocatalytic degradation. The method comprises the following steps: heating citric acid monohydrate, ultrasonically dispersing the cooled citric acid monohydrate in water to obtain a graphene quantum dot solution; adding an ethanol solution into a n-butanol solution of pentachlorotantalum, uniformly mixing, and adjusting the pH value of the mixed solution; collecting white precipitates at the bottom, washing the white precipitates with an ethanol solution until the pH value of the supernatant is 7, and performing suction filtration to obtain newly prepared tantalum acid solid; adding the newly prepared tantalum acid solid and hydrogen peroxide into the graphene quantum dot solution, continuing to heat until the solution is clear, and evaporating water to collect solid into a tube furnace, and annealing under a nitrogen atmosphere to obtain the GQD@Ta2O5 nanocomposite. The nanocomposite prepared by the application is a high-efficiency photocatalyst, and can efficiently photocatalyze and degrade various organic pollutants.
Owner:JIANGNAN UNIV +1

A mirinemonocitrate monohydrate co-crystal

The application belongs to the technical field of pharmaceutical chemistry, and particularly relates to a milrinone-citric acid monohydrate co-crystal. The application provides a new milrinone-citric acid monohydrate co-crystal and a preparation method thereof. The co-crystal has excellent properties, can significantly enhance the solubility and stability of milrinone, is helpful to improve the oral bioavailability, improve the clinical curative effect, has strong drug-making value, the preparation method is simple in operation and easy to control, and is suitable for industrial amplification.
Owner:SHANDONG NEW TIME PHARMA CO LTD

Open-pored peanut-shaped perovskite NdFeO3 microwave absorbing powder material and its preparation method

Aiming at the deficiencies in the morphology and structure of NdFeO3 microwave-absorbing fine powders, the structure and morphology of the materials are improved through temperature processes. An open-pored peanut-shaped perovskite-type NdFeO3 microwave-absorbing fine powder material is invented and designed. The preparation method is as follows: Weigh neodymium(III) nitrate hexahydrate and iron(III) nitrate nonahydrate in a certain proportion, and then add citric acid monohydrate and ammonia water. The NdFeO3 microwave-absorbing fine powder is prepared by the sol-gel method. By controlling the pH, sintering temperature, and sintering time, peanut-pored perovskite-type NdFeO3 microwave-absorbing fine powder is prepared. It has good microwave absorption performance in the 15 - 18 GHz microwave band, and the particles are generally in the shape of neat and regular rice grains, providing the possibility for coating the material surface in the later stage to prepare directional reflection components. At the same time, by controlling the drying temperature, the process operation is made easy.
Owner:SHANGHAI ZHANYONG TECHNICAL SERVICE CO LTD

A novel nanoemulsion nasal spray dressing and a method of making the same

The application discloses a preparation method of a novel nanoemulsion nasal spray dressing which is composed of nano-micelles, isopropyl myristate, purified water, sodium chloride, potassium sorbate and citric acid monohydrate, wherein the nano-micelles are composed of RH-60 hydrogenated castor oil, polyethylene glycol 400 and hydroxypropyl-beta-cyclodextrin; the preparation steps of the nano-micelles are as follows: the preparation steps of the nanoemulsion nasal spray dressing are as follows: when the isopropyl myristate is mixed with the nano-micelles, the stirring speed is adjusted to 900-1200 rpm, the temperature is increased to 40-50 DEG C, stirring is carried out for 20-30 min, the stirring speed is adjusted to 1200-1350 rpm, the purified water is slowly added along the wall of a beaker at a temperature of 30-35 DEG C, and stirring is continuously carried out for 35-45 min; the stirring speed is reduced to 600-800 rpm, the sodium chloride and the potassium sorbate are added at a temperature of 22-28 DEG C, and stirring is carried out for 8-15 min; the nanoemulsion nasal spray dressing prepared by the method is prepared by matching mild ingredients, has simple preparation process, is non-irritating, can further reduce the irritation to the nasal mucosa of patients and protect the nasal mucosa.
Owner:BEIJING RONGKANGTAI MEDICAL EQUIP CO LTD +1

Compound-taste lemon black tea beverage formula capable of balancing sour-sweet ratio and tea astringent taste

The invention discloses a compound-taste lemon black tea beverage formula capable of balancing the sour-sweet ratio and the tea astringency. The compound-taste lemon black tea beverage formula consists of high fructose corn syrup, BS921 instant black tea powder, green spring lemon normal juice, table salt, citric acid monohydrate, malic acid, sodium citrate, potassium sorbate, sodium cyclamate, acesulfame potassium, aspartame, caramel color, sunset yellow, vitamin C, CJ9433 black tea essence, CJ9183 lemon essence and purified water. By constructing a four-dimensional balance model of a sweet gradient system, a sour buffer system, an astringent inhibition system and a color and aroma stabilizing system, the problems that existing lemon black tea is unbalanced in sour-sweet ratio, heavy in astringent taste, thin in taste and poor in stability are solved. Through the synergistic effect of the compound sweetening agent and the sour buffer salt, the product is palatable in sourness and sweetness, mellow in tea fragrance, free of bitter and astringent aftertaste, full in compound taste and good in shelf life stability.
Owner:郑财

A taurine-flavored semi-solid dairy product

This invention relates to the field of dairy product technology, and more particularly to a taurine-flavored semi-solid dairy product. The semi-solid dairy product comprises: taurine, a sweetener, and an acidulant; the taurine content is 12-26 mg / 100g; the mass ratio of the sweetener to the acidulant is (24-43):(0.5-2). The sweetener includes granulated sugar, glucose, and fructose syrup; the acidulant includes citric acid monohydrate, sodium citrate, and lactic acid. This invention obtains a semi-solid dairy product with a prominent taurine flavor by combining specific sweeteners, acidulants, and taurine, wherein the milk flavor and taurine flavor are harmonious, uniform, and stable. The semi-solid dairy product provided by this invention has a superior taurine flavor and stable product form, which is of great significance for improving the flavor value of dairy products.
Owner:INNER MONGOLIA MENGNIU DAIRY IND (GROUP) CO LTD

Salty kumquat beverage and preparation method thereof

The invention relates to the technical field of food, and particularly discloses a salty kumquat beverage and a preparation method thereof. The salty kumquat beverage is prepared from the following raw materials in parts by weight: 30 to 40 parts of salty kumquat juice, 60 to 70 parts of high fructose corn syrup, 2.1 to 2.5 parts of citric acid monohydrate, 0.1 to 0.5 part of sodium citrate, 2.0 to 3.5 parts of decolorized and deacidified apple juice, 0.1 to 0.5 part of vitamin C, 50 to 65 parts of white granulated sugar and 1 to 2 parts of edible essence. A novel pickling technology is used for pickling fresh oiled kumquats, food raw materials such as white granulated sugar and additives are combined, the beverage which is tasty, cleansing, reducing phlegm and moistening throat is prepared, the blank of salty kumquat beverages in the current beverage market is filled, the original taste and flavor of the kumquats are reserved, the kumquats have the sour and sweet taste of the kumquats and the salty taste of table salt, and the kumquats are delicious in taste and good in taste. The beverage changes the characteristic that the traditional beverage is mainly sweet, has a salty taste on the basis of being sour, sweet and delicious, and is suitable for all seasons of men, women, old and young.
Owner:AOTAI (GUANGDONG) BIOTECHNOLOGY CO LTD

Betahistine hydrochloride tablet and preparation method thereof

The invention provides a betahistine hydrochloride tablet and a preparation method thereof, the auxiliary materials of the betahistine hydrochloride tablet are microcrystalline cellulose, mannitol, citric acid monohydrate, colloidal silicon dioxide and talcum powder, a method for preparing the betahistine hydrochloride tablet by utilizing fluidized bed one-step granulation is provided, the fluidized bed is adopted for mixing, specific fluidized bed parameters are set, and the betahistine hydrochloride tablet is prepared. Compared with traditional wet granulation and fluidized bed granulation, the preparation method has the advantages of fewer procedures, short preparation period, low cost, high production efficiency, high controllability of technological parameters in the production process, and stable and reliable quality of the produced product.
Owner:珠海润都制药股份有限公司

A metal organic framework type salt-alkali soil conditioner and a preparation method thereof

The application discloses a metal organic framework salt-alkali soil modifier and a preparation method thereof. The modifier is formed by bridging coordination of a metal cluster, inorganic ligand phosphoric acid, organic ligand and structure directing agent urea under hydrothermal conditions; the metal cluster is ferric chloride hexahydrate and / or zinc sulfate heptahydrate; the organic ligand is one or a combination of two of oxalic acid dihydrate, citric acid monohydrate and tartaric acid; and the molar ratio of the metal cluster, phosphoric acid, organic ligand, urea and deionized water in the hydrothermal reaction is 1-2:6:1-2:2.5-3:100. The modifier has the functions of improving salt-alkali soil and slow-release fertilizer, can provide sufficient nutrients for crops and significantly reduce the salt effect of the nutrients.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

A medium element liquid fertilizer and a preparation method thereof

The application belongs to the technical field of fertilizers, and particularly relates to a medium-element liquid fertilizer and a preparation method thereof. The medium-element liquid fertilizer comprises 52.5wt%-53.5wt% calcium nitrate tetrahydrate, 4.44wt%-4.56wt% medium-element nitrate, 0.09wt%-0.11wt% manganese nitrate solution with a concentration of 50wt%, 5.95wt%-6.05wt% first chelating agent, 1.45wt%-1.55wt% second chelating agent, 0.39wt%-0.41wt% compound amino acid, 0.49wt%-0.51wt% boric acid, 0.39wt%-0.41wt% first active substance, 0.29wt%-0.31wt% second active substance, 0.29wt%-0.31wt% alginic acid, and the balance of water. The mass ratio of the first active substance to the second active substance is 4:3. The first active substance is diethylaminoethanol succinate citrate, and the second active substance is fatty alcohol citric acid monoester dipotassium salt. The preparation method adopts a sugar alcohol and citric acid monohydrate mild room temperature double-chelating process, so that the fertilizer has both quick-acting and sustained-acting properties. The medium-low temperature chelating process has high chelating degree and good fertilizer mixing property.
Owner:CHIFENG HERUN AGRI HIGH TECH IND DEV +1

Compound miconazole nitrate lotion and preparation process thereof

The present application relates to the technical field of pharmaceutical formulations, and particularly relates to a compound miconazole nitrate lotion and a preparation process thereof, which comprises the following raw materials in percentage by weight: miconazole nitrate 1.5-2.5%, amphiphilic polymer 5-6%, chlorhexidine gluconate 1.5-2.5%, casone 0.05-0.1%, benzoic acid 0.1-0.2%, surfactant 25-32%, PEG-120 methyl glucose dioleate 1-2%, citric acid monohydrate 0.3-0.4%, and sodium chloride 0.7-0.9%, and the rest is water. The compound miconazole nitrate lotion prepared by the present application has dual effects of anti-fungus and antibiosis, expands the scope of indications, enhances the overall antibacterial effect of the lotion, and is suitable for the treatment and prevention of various skin infections.
Owner:QINGDAO BOLIN BIOLOGICAL TECH CO LTD

Formula and preparation method of cleaning agent

The invention discloses a formula of a cleaning agent and a preparation method of the cleaning agent, and the cleaning agent is prepared from the following components in percentage by mass: 8-10% of sodium chloride, 25-30% of citric acid monohydrate, 15-20% of sodium dithionite, 15-20% of tetrasodium glutamate diacetate, 5-10% of tetrasodium iminodisuccinate, 1-3% of maleic acid-acrylic acid copolymer, 10-15% of 30% hydrogen peroxide, 1-3% of polyether, 3-6% of sodium carbonate and 1-3% of oxalic acid. And the balance of deionized water or soft water. The method has the advantages that the stainless steel substrate cannot be corroded by an acidic agent, the treated surface is smooth and not rough, the dimensional precision of the stainless steel cannot be influenced, and the situation that the stainless steel is damaged by removal is avoided; rust removal and then independent passivation are not needed, rust can be cleaned up through one-time treatment, a compact protective film is rapidly formed, and time and working procedures are saved; the biodegradable chelating agent is adopted, so that the environment is not polluted, waste liquid treatment is simple, and the environmental protection cost is reduced; the device is suitable for a common environment and severe environments such as ocean and high humidity, and is wide in applicability.
Owner:LIGHTSTAR (HANGZHOU) BIOTECHNOLOGY CO LTD

A kind of goat semen preservation liquid and preservation method thereof

The present invention belongs to the technical field of semen preservation solution, in particular to a goat semen preservation solution and a preservation method thereof. The preservation solution comprises the following components per 100 mL: component A: 1.2-1.3 g of fructose, 1.7-1.8 g of citric acid monohydrate, 3.5-3.6 g of tris(hydroxymethyl)aminomethane; component B: 19-21 mL of fresh egg yolk, 3.5-4.5 mL of vitamin E, 0.4-0.6 g of bovine serum albumin, 0.4-0.6 g of vitamin C, 3.5-4.5 mL of glycerol, 100 00-15000IU of penicillin sodium, 10000-15000IU of streptomycin sulfate, 0.5-0.7mg of Y-27632·2HCl, 5-6mg of ectoine, 0.2-0.3mg of bifendate, 0.3-0.4mg of tiopronin, 0.5-0.6mg of amifostine, 2-2.5mg of azithromycin, 0.1-5mg of dexamethasone; the rest is double distilled water. The present invention can effectively solve the problem of yolk aggregation of goat semen in yolk-containing preservation solution, prolong the storage time of goat semen under low temperature conditions, and achieve the best quality of sperm.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Blueberry solid beverage and preparation method thereof

PendingCN120078118AMilk preparationFood adsorptionBiotechnologyBlueberry extract
The invention relates to the technical field of food, and discloses a blueberry solid beverage and a preparation method thereof, and the blueberry solid beverage comprises sucralose, vitamin C powder, citric acid monohydrate, maltodextrin, grape juice powder, a cherry powder extract, a blackberry powder extract, blueberry fruit powder, raspberry powder, a raspberry powder extract, a blueberry powder extract, blueberry essence powder, DL malic acid and resistant dextrin. The method comprises the following steps: cleaning blueberry fruits, crushing the cleaned blueberry fruits, soaking the crushed blueberry fruits in acid water, carrying out extraction, coarse filtration, microfiltration, reverse osmosis membrane separation, separation, concentration and adsorption elution, and carrying out separation and concentration on the collected eluent through a reverse osmosis membrane device to obtain a purer and higher-concentration blueberry extract; carrying out spray drying on the concentrated eluent, and converting the concentrated eluent into a powdery blueberry extract; and then sequentially mixing, sieving and carrying out strong magnetic iron removal, and packaging and storing the dried blueberry extract to finish the preparation.
Owner:GREEN WORLD (LISHUI) BIOTECHNOLOGICAL CO LTD

Electroless ruthenium plating bath

PendingUS20260085426A1Liquid/solution decomposition chemical coatingHydroxylamine sulfateMannitol
An electroless ruthenium plating bath contains at least a ruthenium compound, a reducing agent, and a stabilizer. The reducing agent is hydrazines. The stabilizer includes a hydroxylamine compound and an organic compound having a hydroxyl group. The hydroxylamine compound is either or both of hydroxylamine sulfate and hydroxylamine chloride. The organic compound having a hydroxyl group is at least one selected from the group consisting of gluconolactone, sorbitol, mannitol, and citric acid monohydrate.
Owner:C UYEMURA & CO LTD

Cold pad-batch desizing and bleaching method for cotton

The present invention provides a cold pad-batch desizing and bleaching method for cotton. First, the cotton product is impregnated and rolled in an alkali-oxygen solution with a preset concentration. The alkali-oxygen solution is an ethanol-water mixed solution composed of hydrogen peroxide, sodium hydroxide, dipotassium hydrogen phosphate, and a mixed auxiliary agent. The mixed auxiliary agent is a mixed aqueous solution of fatty alcohol polyoxyethylene ether 6-15EO, diethylene glycol monobutyl ether, branched and straight-chain C13-15 alcohol ethoxylate 7EO, branched and straight-chain C13-15 alcohol ethoxylate 5EO, citric acid monohydrate, 2-methyl-3(2H)-isothiazolinone, and isotridecanol. Then, the impregnated and rolled cotton product is first wound into a roll, then wrapped with a plastic film and rotated uniformly for stacking. Then, the wound and stacked cotton product is successively subjected to soaping, hot water washing, cold water washing, and drying to obtain the finished product. Through the synergistic effect of various substances in the mixed auxiliary agent and the synergistic effect of various substances in the alkali-oxygen solution, the present invention makes the performance of the finished product obtained by cold pad-batch desizing and bleaching better.
Owner:稳健医疗(武汉)有限公司 +1

Dihydroergoline mesylate sustained-release tablet containing antioxidant synergistic system and preparation method of dihydroergoline mesylate sustained-release tablet

The invention relates to the technical field of medicines, in particular to a dihydroergoline mesylate sustained-release tablet containing an antioxidant synergistic system and a preparation method of the dihydroergoline mesylate sustained-release tablet. The preparation method comprises the following steps: firstly, preparing double-molecular-weight polyethylene glycol composite microspheres as a pore-foaming agent; preparing antioxidant regulation particles, forming a buffer microenvironment by tartaric acid, citric acid monohydrate, sodium citrate and the like, and adding a water-soluble antioxidant; then preparing a fat-phase antioxidant skeleton mixture, and loading a fat-soluble antioxidant; preparing drug-containing core particles from dihydroergoline mesylate and a part of the skeleton mixture; and after mixing and tabletting, sequentially carrying out bottom layer hydrophilic film coating, middle powder layer coating and outer layer functional film coating. The sustained release tablet is stable in release within 24 hours and good in batch-to-batch consistency, oxidation impurities in acceleration and long-term stability tests are remarkably reduced, and the medication safety and the long-term effect are effectively guaranteed.
Owner:宝利化(南京)制药有限公司

A refreshing appetizing blueberry honey compound beverage and a preparation method thereof

The application provides a refreshing appetizing phyllanthus emblica honey compound beverage and a preparation method thereof, and belongs to the technical field of fruit juice beverages. According to mass percentages, the phyllanthus emblica compound beverage comprises 8-12% fructose syrup, 3-8% white granulated sugar, 15-25% phyllanthus emblica hydrolate fermentation liquor, 25-35% phyllanthus emblica original juice, 1-3% jujube flower honey, 2-4% honey, 0.6-1% citric acid monohydrate and 0.3-0.8% sodium citrate; wherein the phyllanthus emblica hydrolate fermentation liquor is prepared by mixing fermentation of Kluyveromyces marxianus and Xanthomonas campestris after phyllanthus emblica peel extraction. The phyllanthus emblica compound beverage prepared by the application not only retains the original aroma and nutritional substances of phyllanthus emblica, but also effectively reduces the bitterness, thereby providing a new idea for fruit juice beverages.
Owner:AOTAI (GUANGDONG) BIOTECHNOLOGY CO LTD