14 results about "Bicarbonates sodium" patented technology

The utility model discloses a ventilation protection device for medicinal sodium bicarbonate production, which comprises a carbonation tower, a liquid inlet pipe arranged on the right side of the top of the carbonation tower, an exhaust pipe with a valve arranged on the left side of the top of the carbonation tower, a liquid outlet with a valve arranged at the bottom of the carbonation tower, and a liquid flow meter arranged on the liquid inlet pipe; the gas inlet pipe penetrates through the top of the right side wall of the carbonation tower and is fixed on the carbonation tower, an electric valve is arranged on the gas inlet pipe, and a gas flow meter is arranged on the left side of the electric valve on the gas inlet pipe; the annular gas distribution pipe is fixed on the inner side of the carbonation tower and is communicated with the gas inlet pipe, and a plurality of aeration structures are uniformly arranged on the lower side of the gas distribution pipe along the circumferential direction of the gas distribution pipe; the stirring structure is rotationally arranged in the carbonation tower. Compared with the prior art, the carbonation tower has the advantages that the flow of carbonization gas entering the carbonation tower can be controlled, alkali liquor and the carbonization gas can be fully contacted and mixed, and the reaction efficiency is improved.

The invention relates to a method for detecting N-nitrosoimino diacetic acid in vortioxetine hydrobromide, which adopts an ion chromatography method, adopts a chromatographic column taking polystyrene-divinylbenzene copolymer as a filler, and adopts a mixed solution of sodium carbonate and sodium bicarbonate as a leacheate. The method disclosed by the invention is simple, good in specificity, accuracy and sensitivity, and beneficial to control on the content of genotoxic impurities in the hydrobromic acid vortioxetine.

A method of converting mitragynine to 7-hydroxymitragynine includes dissolving a predetermined volume of mitragynine extract in a solvent to form a first mitragynine solution. The method includes adding a second solution including sodium bicarbonate and water and a third solution including Fenton's Reagent and water to the first vessel including the first mitragynine solution. The first mitragynine solution is allowed to react with the second solution including sodium bicarbonate and water and the third solution including Fenton's Reagent and water to form a second mitragynine solution including 7-hydroxymitragynine. The method includes separating the 7-hydroxymitragine from the second mitragynine solution and collecting a high-purity 7-hydroxymitragynine product.

This invention belongs to the field of disinfectant technology, specifically relating to a TCCA instant effervescent tablet and its preparation method. A TCCA instant effervescent tablet, by weight percentage, is prepared from the following components: 35-50% trichloroisocyanuric acid, 8-15% urea, 10-18% anhydrous citric acid, 8-14% sodium bicarbonate, 3-8% modified starch disintegrant, 2-6% disodium hydrogen phosphate, 1-4% sodium dodecyl sulfate, 0.5-2% disodium ethylenediaminetetraacetate, 1-3% hydroxypropyl methylcellulose, 0.5-1.5% magnesium stearate, with talc to bring the total to 100%. This invention addresses the problems of existing disintegrants by preparing a modified starch disintegrant through grafting and cross-linking modifications. Experimental results show that effervescent tablets using the modified starch disintegrant of this invention have a disintegration time of only 65-112s in pure water, and the increase in disintegration time in hard water is small. After accelerated testing at 54℃ / 14d, the effective chlorine reduction rate is only 2.2-5.5%, and the increase in disintegration time is small. This indicates that the grafted and cross-linked dual-modified structure has good stability and can maintain excellent disintegration performance after heat storage.

The invention relates to a high-stability sodium dichloroisocyanurate effervescent tablet for veterinary use. The effervescent tablet is mainly prepared from the following raw materials in percentage by weight: 40 to 50 percent of microencapsulated sodium dichloroisocyanurate, 25 to 30 percent of hydrophobic sodium bicarbonate, 2.0 to 3.0 percent of hydroxypropyl methyl cellulose, 1.5 to 2.5 percent of povidone K30, 1.5 to 2.5 percent of polyethylene glycol, 0.5 to 1.0 percent of magnesium stearate and 15 to 25 percent of anhydrous lactose. According to the effervescent tablet, a double-layer microencapsulation isolation technology is adopted, direct contact of acid / alkali / active ingredients is blocked, the available chlorine degradation rate and dust pollution are greatly reduced through room-temperature storage, no organic solvent is left in the preparation process, and the product meets the requirements of green veterinary drugs.

The invention discloses application of sodium bicarbonate in preparation of a medicine for enhancing anti-tumor immunity. The molecular formula of the sodium bicarbonate is NaHCO3. Sodium bicarbonate can enhance natural immunity and acquired immunity of tumor resistance, and is characterized by including but not limited to activation of a cyclic guanylate-adenylate synthetase (cGAS)-interferon gene stimulating factor (cGAS-STING) signal channel in tumor cells, promotion of infiltration of immune cells in tumors and enhancement of the antitumor efficacy of the immune checkpoint inhibitor.

To provide a health drink which can efficiently take a γ-aminobutyric acid (GABA), so as to improve quality of sleeping.SOLUTION: A health drink having an effect for improving quality of sleeping, wherein a citric acid as an organic acid, sodium hydrogencarbonate as bicarbonate, and a γ-aminobutyric acid (GABA) are contained in the health drink. Preferably, 100 mg or more of the γ-aminobutyric acid is contained per 500 ml of the health drink.SELECTED DRAWING: Figure 2

An apparatus for electroproducing sodium carbonate or sodium bicarbonate, an apparatus for electroproducing sodium carbonate (Na2CO3) comprising: (A) an electrodialyzer unit stack to electrodialyze an aqueous sodium chloride (NaCl) solution into a sodium hydroxide (NaOH) solution and a hydrochloric acid (HCl) solution wherein the electrodialyzer unit stack operates at at least 2 production rates for a given period of time; (B) one or more carbonating means for partially or completely carbonating the NaOH solution with CO2 into a Na2CO3 solution; (C) one or more storage devices of the NaOH solution or the Na2CO3 solution; (D) crystallizer equipment, which is used for concentrating the Na2CO3 solution and producing Na2CO3 crystals and mother liquor; and wherein the storage means of the NaOH solution or the Na2CO3 solution has a volume sufficient to operate the crystallizer equipment at a constant production rate over said period of time.

The invention discloses a pantoprazole pharmaceutical composition as well as a preparation method and application thereof. The invention provides a pantoprazole pharmaceutical composition, which comprises an active pharmaceutical ingredient and an antacid, and the active pharmaceutical ingredient is selected from one or more of pantoprazole, pantoprazole sodium, other pharmaceutically acceptable salt forms, solvates and hydrates thereof; the antacid is selected from one or more of sodium bicarbonate, sodium carbonate, calcium carbonate, sodium hydroxide and magnesium hydroxide. The pantoprazole pharmaceutical composition can inhibit active ingredients from being damaged by gastric acid, and is good in prescription compatibility, stable in chemical property, fast in effect taking, good in curative effect, small in side effect, good in patient compliance, simple in preparation process and good in market prospect.

The application discloses a pH value stabilizing device for producing sodium bicarbonate injection and relates to the technical field of related equipment for medicine production. The device comprises a water bucket, a refrigeration connecting pipe and a gas storage bucket. A group of water inlet pipes are fixedly connected to one side of the lower end of the water bucket, and a water pump is fixedly connected to the end of the water inlet pipes away from the water bucket. In the application, the refrigeration connecting pipe can be installed in the configuration and filling device. The refrigeration connecting pipe is provided with a water inlet connecting pipe, a water outlet connecting pipe and an air inlet connecting pipe. The water inlet connecting pipe and the water inlet pipe are detachably connected. The water outlet connecting pipe and the water outlet pipe are detachably connected. The air inlet connecting pipe and the air inlet pipe are detachably connected. The air outlet connecting pipe and the air outlet pipe are detachably connected. Through the detachable device, the pH value of the sodium bicarbonate injection can be stabilized, and the stabilizing device can be easily detached from the configuration and filling device, so that the configuration and filling device can be maintained and cleaned.

The invention discloses a quality control method of rhubarb sodium bicarbonate tablets. The quality control method comprises the following four parts: (1) a thin-layer chromatography TLC identification method of rhein, emodin, chrysophanol, aloe-emodin and physcion; (2) carrying out TLC (Thin Layer Chromatography) detection on rhaponticin; (3) a construction method of a high performance liquid chromatography UPLC fingerprint spectrum; and (4) a UPLC (Ultra Performance Liquid Chromatography) content determination method of aloemodin-8-0-beta-D-glucoside, rheinic acid-8-0-beta-D-glucoside, chrysophanol-8-0-beta-D-glucoside, emodin-8-0-beta-D-glucoside, emodin monoether-8-0-beta-D-glucoside, rheinic acid, emodin, chrysophanol, aloemodin and emodin monomethyl ether. The method has remarkable beneficial effects, can effectively solve the problems in the prior art, and shows excellent practical value in drug quality monitoring.

The invention discloses a preparation method of a diluent for normal-temperature preservation of boar semen, and belongs to the technical field of biology. The normal-temperature preservation diluent comprises the following main components: glucose, citric acid, sodium citrate, sodium bicarbonate, tris (hydroxymethyl) aminomethane, disodium ethylene diamine tetraacetate, penicillin G sodium salt, streptomycin sulfate, arbutin, double distilled water and the like. The diluent can maintain high vitality of pig sperms in a short time, can be stored at normal temperature for about 10 days, and meets the requirements of artificial insemination. The arbutin of the diluent has good anti-inflammatory and anti-oxidation protection effects, effectively improves the preservation activity and effect of the pig sperms, and can be used for direct semen deposition after dilution or short-term preservation after dilution and semen deposition after short-distance transportation. According to the diluent, the preservation quality of the boar semen is improved with low production cost and a simple operation method, the utilization rate of excellent breeding stock is increased, the reproductive rate is increased, and the diluent is convenient to popularize and apply.

A solid cosmetic product is disclosed comprising geosmin, and also a solid cosmetic product comprising (a) sodium bicarbonate in an amount of from 25 to 70 wt% based on the solid cosmetic product; (b)

The present invention relates to a continuous process for the production of sodium bicarbonate crystals from a gaseous stream of carbon dioxide, comprising a step of absorbing carbon dioxide from the gaseous stream into an aqueous solution containing a sodium carbonate salt to produce an aqueous solution of sodium bicarbonate, followed by a step of crystallizing the sodium bicarbonate salt obtained in the first step. The present invention also relates to a system for the production of sodium bicarbonate crystals from a gaseous stream of carbon dioxide, comprising a control unit 10, an absorption unit 20 and a crystallization unit 30.