272 results about "Citrate salt" patented technology

This invention relates to an infusion device for a catheter lock solution, to a method of enhancing the patency of catheters in animals and to a catheter lock solution. The device includes a syringe (34) containing a lock solution comprising a citrate salt. The method for enhancing the patency of catheters includes infusing a lumen (14, 16) of an indwelling catheter (10) with a lock solution comprising a citrate salt. In one aspect of the invention, the catheter lock solution includes a citrate salt and a viscosifying agent. The lock solution is prepared to have sufficient viscosity and density to remain in the lumen for a desired amount of time.

This invention relates to an infusion device for a catheter lock solution, to a method of enhancing the patency of catheters in animals and to a catheter lock solution. The device includes a syringe (34) containing a lock solution comprising a citrate salt. The method for enhancing the patency of catheters includes infusing a lumen (14, 16) of an indwelling catheter (10) with a lock solution comprising a citrate salt. In one aspect of the invention, the catheter lock solution includes a citrate salt and a viscosifying agent. The lock solution is prepared to have sufficient viscosity and density to remain in the lumen for a desired amount of time.

The invention discloses a stabilized chlorine dioxide disinfection solution and its preparation method. The disinfection solution is composed of component A and component B, wherein component A is stabilized sodium chlorite solution consisting of chlorite, a stabilizing agent, a complexing agent, a pH stabilizing agent, and the balance a pH conditioning agent and water; component B is an activating agent, which can be at least one of citric acid and hydrochloric acid. The product of the invention has the advantages of stability, long shelf-life, and a validity period up to 2 years, and can be used as a disinfectant. The disinfection solution of the invention has simple process and convenient usage. In the invention, the original mode of pH value adjusting by acid is changed, and zinc chloride and zinc acetate are employed to remove sodium hydroxide in raw materials and reach the purpose of pH value adjusting. Simultaneously, zinc acetate and sodium hydroxide generate no amphoteric substance, and the actual operation is easier.

The invention discloses a preparation method of citrate modified NaYF4:Yb,Er/Mn up-conversion luminescent nano material, a hydrogen peroxide or uric acid detection method and applications. The preparation method comprises the following steps: 1) stirring alkali, water, oleic acid, C1-C3 alcohol, a manganese source, a ytterbium source a yttrium source, an erbium source and NaF, and then carrying out hydrothermal reaction and centrifugal separation to obtain OA-NaYF4:Yb,Er/Mn UCNPs; and 2) dispersing OA-NaYF4:Yb, Er/Mn UCNPs in alcohol, and then carrying out ligand exchange reaction with a trichloromethane and citrate solution to obtain the citrate modified NaYF4:Yb,Er/Mn up-conversion luminescent nano material. The citrate modified NaYF4:Yb,Er/Mn up-conversion luminescent nano material has the advantages of low detection limit, high sensitivity and good selectivity to hydrogen peroxide or uric acid detection, so that the material can be used for detecting uric acid in serum.

The invention discloses a method for preparing reproduced cheese and obtained reproduced cheese thereof. The method comprises the following steps: 1) mincing natural cheese, uniformly mixing dairy products, fat products, emulsifying salt and water, stirring at the speed of 1000rpm-2000rpm by using a dull knife for 1 minutes-3 minutes to obtain a preblended slurry; wherein the emulsifying salt is phosphate and/or citrate; the natural cheese is natural cheese with a mature period within 3 months; 2) stirring the preblended slurry at the speed of 1000rpm-2000rpm, directly heating by steam to thetemperature of 75 DEG C-85 DEG C, then insulating for 2 minutes-6 minutes; 3) extruding and moulding. The method for preparing reproduced cheese has simple preparation method, the prepared reproducedcheese has good wire drawing characteristic and long shelf life under the room temperature or refrigeration condition.

This invention relates to compositions which are capable of sequestering calcium ions and are derived in part from renewable carbohydrate feedstocks. The calcium sequestering compositions are mixtures containing one or more hydroxycarboxylic acid salts, one or more oxoacid anion salts, and one or more citric acid salts.

In a cleaning composition for removing residual impurities from a substrate or an apparatus for forming an integrated circuit, and a method of removing the impurities using the cleaning composition, the cleaning composition includes about 4 to about 50 percent by weight of at least two compounds selected from the group consisting of citric acid, a citrate salt, a fluoride salt, hydrofluoric acid, hydrogen peroxide and ammonium persulfate, and a remainder of water. The cleaning composition may effectively remove residual impurities from the substrate or the apparatus, and may prevent the substrate or the apparatus from being recontaminated by the impurities.

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.

The invention discloses an amino acid compound fertilizer, a preparation method and an agriculture ecological cycle development method. The amino acid compound fertilizer is prepared from the following raw materials: amino acid solution, copper sulfate, zinc sulfate, magnesium sulfate, ferrous sulfate, manganese sulfate, ammonium molybdate, sodium selenite, borax, sodium nitrophenolate, citrate, metasilicate or silicate, and urea. According to the amino acid compound fertilizer, the amino acid or micromolecular active protein in the amino acid solution are chelate with various essential elements for plant, cotton wilt disease can be effectively prevented and controlled, the restoration of crops which suffer from chilling damage or hails can be promoted, and the crops with toxicity due to excessively applied elements and herbicide toxicity can be effectively detoxified; functionalized health-care crop products rich in selenium, silicon, glutathione peroxidase, superoxide dismutase, peroxidase and catalase can be harvested.

Provided are processes for the preparation of sildenafil base and the citrate salt sildenafil. Also provided are sildenafil citrate water adduct and a method of preparing pharmaceutical compositions comprising combining the sildenafil citrate and/or sildenafil citrate water adduct with at least one pharmaceutically-acceptable excipient.

The invention relates to a synthesis method of non-formaldehyde easy-care finishing resin of textile. The synthesis method comprises the following steps: glyoxal is reacted with an ureido compound under a condition with the existence of a buffering agent and a complex, a pH value of 4 to 8 and the temperature of 20 DEG C to 70 DEG C for 3h to 6h so as to obtain unetherified non-formaldehyde easy-care finishing resin; the complex is added at the beginning of or in the process of the synthesis reaction between glyoxal and the a ureido compound; and the buffering agent is one of citric acid/citrate, citric acid/acetate, tartaric acid/tartarate, salicylic acid/salicylate, phthalic acid/ phthalate and alkali phosphates and the complex is organic carboxylic acid or organic carboxylate and the like with a molecular weight of 190 to 420. The non-formaldehyde easy-care finishing resin prepared by the method has higher purity and lower content of remnant glyoxal, has good effect as a textile finishing agent and does not release formaldehyde in the finishing and use of textile.

An acetic acid- and/or acetate salt-free iron metabolism-improving agent that contains citric acid and/or a citrate salt as electrolytes and also contains another/other electrolyte/electrolytes and glucose solely or in combination is provided. The iron metabolism-improving agent can be formulated into a dialysate and/or a substitution fluid. A method for improving internal iron metabolism and a blood purification method including hemodialysis and hemodiafiltration in a chronic renal failure patient employing the dialysate and/or the substitution fluid are further provided.

The invention provides a liquid milk product containing soy peptide and a method of producing the same. Raw materials of the liquid milk product comprise: milk 300-999.29 permillage, soy peptide power 0.1-10 permillage, emulsifying agent 0.5-2.0 permillage, thickening agent 0.1-5.0 permillage and protein protective agent 0.01-0.5 permillage, wherein the permillage and protein protective agent is phosphate and/or citrate. The invention provides a functional liquid beverage bonding soy peptide and milk nutrient contents through reasonable prescription and proper technology, realizes excellent stability and good mouth feel in a shelf period.

The present invention relates to novel liquid pharmaceutical compositions of adalimumab, which include adalimumab or a biosimilar thereof, a citrate buffering agent/system such as sodium citrate/citric acid, and a sugar stabiliser such as trehalose. Such a combination of components furnishes formulations having a stability (e.g. on storage and when exposed to stress) which is comparable to or an improvement upon those known in the art, and with fewer ingredients. Such advances will help adalimumab treatments to become more widely available at lower cost, and prolong the viability of pre-loaded delivery devices (e.g. pre-filled syringes) to reduce unnecessary waste of the drug.

The invention provides a phosphating solution and a phosphating method. The phosphating solution comprises 0.4-8g/L Zn(H2PO4)2, 5-18g/L Zn(NO3)2.6H2O, 0.7-1.0g/L Ni(NO3)2.6H2O, 0.2-0.5g/L fluoride, 1.0-2.2g/L additive and 0-1.5g/L rare-earth salt, wherein the additive is selected from one or more of citric acid, citrate, salicylic acid and salicylate. Compared with the prior art, the complexing constant of the additive with respect to Zn<2+> is greatly lower than that with respect to Fe<2+>, so that the potential difference between zinc and iron in the phosphating solution can be effectively shortened, thereby providing a guarantee for simultaneous phosphating of iron and zinc in one tank; and depolarization action produced by high adsorbability of rare earth ions generated by the rare-earth salt on a cathode surface promotes the formation of a phosphating film, and the corrosion resistance of the film is also improved.

The invention discloses a medium capable of improving a polymalic acid yield. The medium contains 1 to 20g/L of citric acid or citrate. The medium can provide external power donors to aureobasidium pullulans in fermentation, and can improve a cellular ATP supply level thereby improving a polymalic acid yield maximally by 57.1%. The medium can be used for producing polymalic acid by aureobasidium pullulan fermentation and has good economic benefits.

The invention discloses a reverse osmosis cleaning agent for seawater desalination equipment, a preparation method and a use method, and belongs to the technical field of seawater desalination. The reverse osmosis cleaning agent comprises an acidic agent A and a multifunctional agent B; wherein the acidic agent A is composed of citric acid, hydrochloric acid, formic acid, nitrilotriacetic acid trisodium salt and deionized water, and the multifunctional agent B is composed of inorganic base, ethylenediamine tetraacetic acid salt, polyethyleneimine, alcohol amine organic base and the like; According to the invention, the acidic agent A and the multifunctional agent B are cooperatively used for cleaning the reverse osmosis membrane, during use, the multifunctional agent B is firstly used for removing various organic impurities, micro-plastics and acidic substances in the reverse osmosis membrane, then the multifunctional agent B in the reverse osmosis membrane is washed away through water washing, and then the acidic agent A is used for removing various metal salts, metal ions and metal oxides. Finally, thereverse osmosis membrane is washed with a multifunctional agent B to fully remove a small amount of organic impurities, and meanwhile, a certain repairing effect on the reverse osmosis membrane is achieved.

The invention provides a neutralization method of citric acid, comprising the following steps: neutralizing once degerming clear solution of the citric acid with calcium carbonate and/or calcium hydroxide to pH 2-5 to generate precipitate containing citrate; carrying out solid-liquid separation and washing solid phase to obtain a solid phase containing the citrate, a liquid phase is solution containing the citric acid; secondarily neutralizing the solution containing the citric acid with the calcium carbonate and/or calcium hydroxide to pH 3-9 to generate the precipitate with the citrate; allowing the solid phase containing the citrate after separation to return for once neutralization, and allowing the liquid phase without the citric acid after separation to be discharged; and adding sulfuric acid into the solid phase containing the citrate obtained by once neutralization for acidolysis reaction to obtain acidolysis solution of the citric acid and calcium sulfate precipitate. The neutralization method of the invention has the advantages of good product quality, a small quantity of consumed water volume, small load on solid-liquid separation equipment and the like.

Blood collection, processing and transfer leads to the separation of discrete fractions by adding additional citrate (trisodium citrate) to bring the citrate concentration to 10%-15% w/v thereby leading to enhanced yield and purity of cryoprecipitate. The improved cryoprecipitate then yields concentrated clotting factors by an improved extraction process which uses polyvinyl pyrollidone to reduce the extraction of fibrinogen. Following extraction the remaining cryoprecipitate can advantageously be formed into a fibrin fabric used in surgeries and in the treatment of wounds

A matrix for mass spectrometry, the matrix comprising an additive that minimizes or eliminates adduct formation and/or chemical noise generation is disclosed. Also disclosed is a method for depositing a matrix on a MALDI target plate and a disposable plate having a dissolvable pre-matrix deposited thereon. The matrix material can be 2,5-dimethoxybenzoic acid and a monobasic or dibasic salt or tribasic salt as an adduct-reducing additive, such as ammonium monobasic phosphate and sulfate salts, dibasic citrate salts and tribasic citrate salts.

A hard surface cleaning composition, namely a bathroom cleaning composition, using partially neutralized citric acid salts and/or fully neutralized ethanolamine citrate salts are disclosed. The cleaning composition is unexpectedly safe to use, environmentally-friendly and efficacious for removal of soap scum and water hardness stains at mildly acidic and/or alkaline pHs. Methods of using the same are disclosed.

The invention discloses a method for producing a blueberry jam by using a blueberry fermentation by-product. The method comprises the following steps: uniformly mixing the fermentation by-product obtained in a blueberry fermentation wine-making process, water, sugar, a thickener, and citric acid or a citrate, and concentrating to obtain the blueberry jam. The thickener consists of xanthan gum, sodium alginate, pectin and beta-cyclodextrin. By fully using the blueberry fermentation by-product, the method for producing blueberry jam by using the blueberry fermentation by-product is developed. The method is simple, low in cost, none in pollution and easy to popularize. The prepared blueberry jam has the bluish violet color of the blueberry fruit in sense, a moderate sour-sweet taste, pure fruity flavor of the blueberry, and no fermentation residual odour; and not only the original taste and flavor of the blueberry are reserved, but also the beneficial components in the blueberry are furthest reserved.

The invention relates to a method for extracting omega-3 polyunsaturated fatty acid, bone collagen and active calcium from a cod bone. The method comprises the following steps: carrying out pretreatment of cleaning, drying, crushing, removing stinking smell, degreasing and the like on the cod bone, so as to obtain a fat-soluble component to extract the polyunsaturated fatty acid; extracting the bone collagen and the active calcium from filtered solid matter components; preparing bone collagen powder from the solid matter components by the procedures of NaCO3 treatment, decalcification, hot melting, enzymolysis, refined filtration, concentration, sterilization, drying and the like, wherein the calcium citrate salt from the bone collagen after decalcification is in a solution state; adding a vitamin D and a vitamin E after concentrating in vacuum at high pressure; evenly mixing, demodulating by dextrin, and drying to prepare the calcium citrate powder; fabricating a microcapsule from the fat-soluble components by fractionation and oil refining, so as to obtain the omega-3 polyunsaturated fatty acid. By adopting the method disclosed by the invention, the cod bone is comprehensively developed and utilized, three health-care products with high added value are co-generated, and the method is reliable in principle, environmental in process, low in cost and broad in market prospect.