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513 results about "Sodium tartrate" patented technology
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Sodium tartrate (Na₂C₄H₄O₆) is used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casings. As a food additive, it is known by the E number E335. Because its crystal structure captures a very precise amount of water, it is also a common primary standard for Karl Fischer titration, a common technique to assay water content.
Composite potassium hydrogen persulfate disinfectant and its manufacturing process
ActiveCN102265904AMeet needsWith low toxicity and ultra-low toxicityBiocideFungicidesPotassium persulfateDisinfectant
The invention relates to a compound potassium hydrogen persulfate disinfectant and a manufacturing process thereof. The compound potassium hydrogen persulfate disinfectant comprises the following components in percentage by weight: 60-65% of potassium hydrogen persulfate complex, 0-1.8% of sodium chloride, 2-10% of aminosulfonic acid, 0-2% of sodium dodecyl benzene sulfonate, 0-10% of sodium hexametaphosphate, 0-25% of sodium citrate, 0-25% of sodium tartrate, 0-0.2% of flavoring agent and 0-0.12% of pigment. In the compound potassium hydrogen persulfate disinfectant provided by the invention, the different disinfection requirements of medical, family and livestock and poultry breeding industries are sufficiently considered and the contents of the components in the formula are adjusted according to different users, so that the compound potassium hydrogen persulfate disinfectant can meet the needs of different users; the compound potassium hydrogen persulfate disinfectant has good killing effects on almost all zoonotic bacteria, fungi and viruses, and simultaneously has the characteristics of low toxicity and ultra-low toxicity; and the wide application ranges and good stability and security are perfectly combined.
Owner:上海泰缘生物科技股份有限公司
Octreotide acetate freeze-dried combination for injection and preparation method thereof
ActiveCN102526700AImprove stabilityConvenient transportation and distributionPeptide/protein ingredientsDigestive systemSodium bicarbonateSolubility
The invention provides an octreotide acetate freeze-dried combination for injection, which comprises octreotide acetate, mannitol and a proper amount of buffer substances, wherein the mass ratio of the octreotide acetate to the mannitol is 1:(450-500); and the buffer substances are lactic acid and sodium bicarbonate and can be tartaric acid and sodium tartrate. The invention also provides a preparation method of the composition. The composition provided by the invention is produced by adopting an aseptic technique; by striving to make the technological breakthrough in optimal pH range and optimal preparation temperature in a liquid medicine preparation process, the product stability is improved; and finally, a freeze-dried product is prepared. By adopting a quick-freezing mode for pre-freezing, a finished product has low related substance content and good re-solubility, can be preserved at room temperature for two months and can be refrigerated for two years, thereby facilitating the product transportation and delivery. By clinically matching with a solution, the combination has good stability and low local injection irritation. The invention provides a safe and effective octreotide acetate freeze-dried combination for injection, which has good and controllable quality, for clinics.
Owner:西藏嘉信景天药业有限公司 +1
Oxygen-absorbing compositions and method
An oxygen-absorbing composition including iron and a soluble tartrate. A method of absorbing oxygen from a closed environment including the steps of providing an oxygen-absorbing composition containing iron and a tartrate, injecting water into the composition, and placing the composition into the closed environment. An oxygen-absorbing packet containing iron and a tartrate. All of the foregoing-mentioned compositions preferably include an electrolyte. The tartrates may be selected from the group which may include sodium acid tartrate, potassium acid tartrate, potassium sodium tartrate tetrahydrate and sodium tartrate dihydrate, but are not limited thereto.
Owner:MULTISORB TECH INC
Compound chloride-based environment-friendly snowmelt agent
InactiveCN101691481AAvoid Decomposition DefectsEasy to operateOther chemical processesSodium metasilicateDecomposition
The invention relates to a compound chloride-based environment-friendly snowmelt agent, which comprises a main component of a chloride mixture of calcium chloride dihydrate and magnesium chloride hexahydrate, contains various additives of sodium citrate, disodium hydrogen phosphate, sodium metasilicate, urea and the like and can contain abscisic acid or indoleacetic acid or a mixture thereof, sodium tartrate, humic acid or a salt thereof. The snowmelt agent in the invention can reduce the corrosivity to a metal object and a concrete structure effectively, improves the anti-salinization capabilities of a seed, a plant and soil, can be used when the temperature is as low as -25 DEG C, and solves the problems of bad snow melting effect caused by an autologous freezing point characteristic when a sodium chloride-based snowmelt agent is used and high cost caused by using an anhydrous calcium chloride-based snowmelt agent under the condition. The invention also provides a use method of the snowmelt agent, which places the main component and each additive separately without preparing a finished product of the snowmelt agent in advance and compounds the snowmelt agent on the spot before using. The method can avoid the problems of wetting, hardening and the like of the finished product of the snowmelt agent in the processes of storing and transporting, can avoid the defects of high-temperature energy consumption in the process of preparing compound granules (such as coating and granulating) and the capability of causing decomposition of the additives, has simple operations and a low cost, and is particularly suitable for on-site mechanical shed work.
Owner:CHINA ACAD OF TRANSPORTATION SCI +1
Litchi preservative and preparation method thereof
InactiveCN103734289AExtended shelf lifeEasy to prepareFruit and vegetables preservationSucroseSodium sorbate
The invention provides a litchi preservative which is composed of the following components in parts by mass: 2-3 parts of lignin, 2-3 parts of sucrose ester, 0.8-1.2 parts of sodium sorbate, 0.2-0.4 part of calcium chloride, 0.1-0.15 part of calcium stearate, 0.02-0.03 part of sodium tartrate, 0.008-0.012 part of sodium alginate and 200-210 parts of water. The invention also provides a preparation method of the litchi preservative, which comprises the following steps: mixing the sucrose ester, sodium sorbate, sodium alginate, calcium chloride, calcium stearate and water according to the formula, stirring for 20-25 minutes, heating to 50-55 DEG C, adding the lignin and sodium tartrate according to the formula, stirring for 10-15 minutes and cooling to room temperature. The litchi preservative has the advantages of simple preparation method, reasonable formula, low cost and favorable preservation effect, is convenient to operate, and can prolong the litchi preservation period by 22-30 days.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY
Ibuprofen injection and preparation method thereof
InactiveCN102085179ALow priceImprove securityOrganic active ingredientsAntipyreticSodium bicarbonateSodium acetate
The invention relates to an ibuprofen injection, which comprises ibuprofen and one or a plurality of alkaline cosolvents pharmaceutically acceptable selected from anhydrides or hydrates of sodium carbonate, sodium bicarbonate,sodium citrate, sodium citrate, sodium phosphate, disodium dihydrogen pyrophosphate, sodium tartrate and sodium acetate. The invention also relates to a preparation method of the ibuprofen injection.
Owner:罗军
Composite admixture for concrete
The invention discloses a composite admixture for concrete, which is prepared from fly ash, siliceous dust, granulated blast-furnace slag, anhydrous sodium sulphate, hydroxypropyl methyl cellulose, UEA (united expansive agent), polycarboxylic acid water reducing agent, citric acid, boric acid, sodium gluconate, sodium phosphate, sodium tartrate, calcium carbona, lithium carbonate, calcium formate, calcium acetate and cellulose ether. In the practical application of the composite admixture, the strength of concrete is improved, the concrete workability is good, slight bleeding is caused, the use amount of cement is lowered, the unit volume water consumption is lowered, the working performances of the concrete are improved effectively, and the heat of hydration is reduced.
Owner:CHENGDU JIAXIN TECH
Sulfuric acid washing corrosion-retarding fog inhibitor and preparation method thereof
InactiveCN101851761AThe effect of suppressing acid mist is obviousThe effect of acid mist is obviousEthylenediamineGallic acid ester
The invention discloses a sulfuric acid washing corrosion-retarding fog inhibitor and a preparation method thereof. The sulfuric acid washing corrosion-retarding fog inhibitor comprises an inhibitor, a complexing agent and a wetting agent, wherein the inhibitor comprises di-o-tolyl-thiourea, o-toluidine, sulfonated protein and ethylene diamine tetraacetic acid; the complexing agent comprises sodium citrate, sodium tartrate, hydroxyacetic acid and gallic acid; and the wetting agent comprises sodium sulfonate, sodium carboxylate, L-548 and OP-10. The sulfuric acid washing corrosion-retarding fog inhibitor can retard the excessive corrosion of sulfuric acid to steel matrix, also can be used as an acid washing fog inhibitor, and has good stability at high temperature; and the capability of inhibiting acid fog can reach over 95 percent, the highest corrosion-retarding capability can reach over 98 percent, and the stability is no less than 5 hours.
Owner:NANFENG HOUSE KEEPING ELECTRIC APPLIANCES ZUNYI
Low-corrosion and high-efficiency chlorine salt deicing agent and preparation method thereof
ActiveCN104293298ALow costWide variety of sourcesOther chemical processesChemical adsorptionTemperature and pressure
The invention discloses a low-corrosion and high-efficiency chlorine salt deicing agent, which is prepared from the following raw materials in percentage by mass: 85%-98% of sodium chloride, 1%-10% of a corrosion inhibitor and 1%-5% of an adjuvant, wherein the corrosion inhibitor is prepared from sodium silicate, disodium hydrogen phosphate, sodium tartrate and sodium citrate; and the adjuvant is prepared from sodium humate, urea and heteroauxin. Silicate in the corrosion inhibitor disclosed by the invention can form a protective film on the metal surface to avoid corrosion to metal caused by chlorine salt and synergistic effect of disodium hydrogen phosphate and sodium silicate; the corrosion inhibition effect is enhanced; a chemical adsorption layer is formed by coordinated complexation of polar radical of sodium citrate and sodium tartrate donor and a metal surface; a dual-electric layer structure is formed on the metal surface; a drainage layer is formed by nonpolar radical directional arrangement; chemical corrosion of metal is prevented; and the damages to soil and plants can be reduced by urea, sodium humate and heteroauxin. The preparation method disclosed by the invention is simple, mild in condition, available in raw materials, and easy to put into industrial application, and can be carried out under normal temperature and pressure.
Owner:黄山九星环保科技股份有限公司
Rare earth-nickel-cobalt-boron multi-element alloy anticorrosion and wear-resistant plating, electroplating liquid and preparation method of electroplating liquid
The invention provides a rare earth-nickel-cobalt-boron multi-element alloy anticorrosion and wear-resistant plating, an electroplating liquid and a preparation method of the electroplating liquid. The plating is of an amorphous mingled nanocrystalline structure, and the microhardness of the plating is HV700-HV1300; and the plating comprises the following components by weight percent: 1wt%-40wt% of cobalt, 0.1wt%-1.5wt% of boron and the balance of nickel and trace rare earth. The electroplating liquid comprises the following components: 180-250g / L of nickel sulfate, 20-50g / L of cobalt sulfate, 30-60g / L of nickel chloride, 2-4g / L of dimethylamine-borane, 30-50g / L of boric acid, 0.001-2g / L of rare earth, 3-5g / L of sodium tartrate, 10-30g / L of sodium citrate or citric acid, and deionzied water which is added to achieve a metered / constant volume. The preparation method of the electroplating liquid comprises the following steps: dissolving nickel sulfate, cobalt sulfate, boric acid and nickel chloride with the deionized water and regulating the pH value; and adding sodium citrate or citric acid, sodium tartrate, rare earth and dimethylamine-borane for the constant volume and sufficiently stirring. The preparation method of electroplating liquid is simple to operate, is high in current efficiency and energy-saving and environmentally-friendly; and the plating is of the amorphous mingled nanocrystalline structure, and has bright, smooth and flaw-free appearance, extremely low porosity, high hardness and good anticorrosion and wear-resistant properties and comprehensive mechanical properties.
Owner:黄激扬
bathroom cleaning deodorant
The invention relates to a bathroom cleaning deodorant, which comprises 50-65% of potassium hydrogen persulfate complex, 2-8% of sulfamic acid, 0-25% of sodium citrate and 0-25% of sodium tartrate in terms of mass percentage. %, sodium hexametaphosphate 0-10% and sodium dodecylbenzenesulfonate 0-1%. The bathroom cleaning and deodorizing agent of the present invention is suitable for cleaning and disinfecting bath products such as bathtubs and bath towels in households, hotels / guesthouses, beauty and bathing places, has dual functions of cleaning and disinfection, and has good deodorizing effect, without specific temperature requirements. Good security.
Owner:宋海鹏 +1
Efficient-corrosion-inhibition compound chloride salt type snow-melting agent and preparation method thereof
The invention belongs to the field of snow melting and deicing and particularly relates to an efficient-corrosion-inhibition compound chloride salt type snow-melting agent and a preparation method thereof. The efficient-corrosion-inhibition compound chloride salt type snow-melting agent comprises sodium chloride, calcium chloride dihydrate, a corrosion inhibitor and auxiliaries, wherein the corrosion inhibitor comprises sodium hexametaphosphate, sodium molybdate, sodium benzoate, sodium gluconate, zinc dihydrogen phosphate, sodium tartrate, sodium tripolyphosphate, sodium silicate, sodium lignin sulfonate, sodium citrate, benzotrizaole and thiourea; the auxiliaries comprise sodium carboxymethyl cellulose, urea and povidone. The efficient-corrosion-inhibition compound chloride salt type snow-melting agent which is granular solid has the advantages that the snow-melting agent is suitable for large-scale mechanical throwing operation and excellent in corrosion inhibition effect, and the deicing and snow melting ability of the snow-melting agent can be brought into full play in aspects such as city and rural roads, highways, rail transit, airports, squares, courtyards and bridges.
Owner:CHINASALT JINTAN
Preparation and application of adsorbing agent of pseudo-boehmite and gamma-Al*O* hollow microspheres
InactiveCN101618312AReduce concentrationControllable grain sizeOther chemical processesMicroballoon preparationCongo redOrganic dye
The invention discloses a preparation method and an application of an adsorbing agent of pseudo-boehmite and gamma-Al2O3 (nuclear shell) hollow microspheres. The method comprises the following steps: dissolving aluminum sulfate, ammonium alum and aluminum potassium sulfate or a mixture thereof in an arbitrary proportion in distilled water; then respectively adding a certain quantity of urea and sodium tartrate; after the mixture is stirred uniformly, transferring the mixture into a hydrothermal kettle to carry out hydrothermal processing; and respectively obtaining the pseudo-boehmite and the gamma-Al2O3 (nuclear shell) hollow microsphere products after hydrothermal products are naturally cooled, filtered, washed, dried in vacuum and roasted. The method has simple process, moderate condition and good ruggedness of the (nuclear shell) hollow microsphere structure. The prepared pseudo-boehmite / gamma-Al2O3 hollow microspheres have excellent adsorption performance, particularly have good adsorption and purification effects on organic dye such as Congo red in waste water, and the like and hard degraded organic matters such as phenol, and the like and can be regenerated and recycled for many times, and regenerated products have the performance of adsorbing organic pollutants.
Owner:WUHAN UNIV OF TECH
Multipurpose surfactant-free cleaning agent for fruits, vegetables and dishes and method for producing multipurpose surfactant-free cleaning agent for fruits, vegetables and dishes
InactiveCN104450307AQuick washElimination of organophosphorus pesticide residuesNon-surface-active detergent compositionsSodium bicarbonatePesticide residue
The invention discloses a multipurpose surfactant-free cleaning agent for fruits, vegetables and dishes. The cleaning agent comprises purified water, a composite chelating agent, an anti-deposition agent, a composite enzyme preparation, a composite builder and a composite plant extraction liquid, wherein the composite chelating agent comprises EDTA-2Na and sodium tartrate, the composite enzyme preparation comprises alkaline proteinase, lipase, amylase and cellulose, the composite builder comprises citric acid, sodium hydroxide and sodium bicarbonate, and the composite plant extraction liquid comprises an onion extraction liquid, a garlic extraction liquid, a ginger extraction liquid, a dark tea extraction liquid, a Chinese honeylocust fruit extraction liquid and a soapberry pericarp extraction liquid. The multipurpose surfactant-free cleaning agent for fruits, vegetables and dishes can avoid secondary environment pollution generated by surfactant residues, damage to human health caused by residues of organic pesticides and the like, not only can be used for cleaning and degerming vegetables and fruits and removing the residues of pesticides, but also can be used for cleaning and sterilizing dishes; and the multipurpose surfactant-free cleaning agent for fruits, vegetables and dishes and the method for producing the multipurpose surfactant-free cleaning agent for fruits, vegetables and dishes have the advantages of less investment, easy availability of the raw materials, simple and convenient production, high cleaning rate, wide application range, and are beneficial for environment protection and human health.
Owner:王先军
Grouting material
The invention discloses a grouting material which is prepared by sulphoaluminate cement, ordinary Portland cement, granulated blast-furnace slag powder, heavy calcium powder, gypsum powder, sodium aluminate, pulverized fuel ash, ceramsite, river sand, hydroxypropyl methyl cellulose, ulex europaeus agglutinin (UEA) expanding agent, naphthalene water reducer, sulphamate water reducing agent, polycarboxylic acid water reducing agent, citric acid, boric acid, sodium gluconate, sodium phosphate, sodium tartrate, calcium carbonate, lithium carbonate, calcium formate, calcium acetate, polydimethyl siloxane, polyoxyethylene polypropylene pentaerythritol ether and silicone emulsion. The grouting material has the characteristics of being rapid in coagulation time, good in flowing property, high in early strength, good in anti-fatigue performance, suitable for cold and hot weather, convenient and fast in construction, etc.
Owner:CHENGDU JIAXIN TECH
Preparation method of Fe-MCM-41 molecular sieve with high iron content
InactiveCN102211781AStrong potential application valueMolecular sieve catalystsCrystalline aluminosilicate zeolitesFiltrationRoom temperature
The invention relates to a preparation method of a Fe-MCM-41 molecular sieve with high iron content. The preparation method comprises the following steps: through a hydrothermal synthesis method, based on sodium tartrate (TA) as a chelant of iron ions, cetyltrimethylammonium bromide (CTAB) as an organic template and tetraethoxysilane as a silicon source, stirring for 30-120 minutes, regulating the pH value to 7-11 with inorganic base, and then stirring for 2-6 hours, wherein the molar ratio of CTAB to SiO2 is 0.1-0.25, the molar ratio of TA to SiO2 is 0.05-0.6, and the molar ratio of H2O to SiO2 is 70-150; and then crystallizing for 48-120 hours under the self-boost pressure and hydrothermal conditions at the temperature of 90-130 DEG, cooling the purified product to room temperature, carrying out vacuum filtration, washing to be neutral, drying, continuously raising the temperature to 500-600 DEG C at the speed of 1 DEG C / min and insulating for 5 hours. By using the method, the iron ions can be directly introduced to a skeleton so as to prepare the mesoporous molecular sieve with the iron content of 7wt%-14wt%, the molecular sieve has a uniform aperture, the specific surface area of the molecular sieve is 700-1200 m<2> / g<-1>, and the pore volume of the molecular sieve is 0.7-3.0 cm<3> / g<-1>.
Owner:BEIJING UNIV OF CHEM TECH
Reagent for quick detection of ammonia and nitrogen concentration in water and use method thereof
ActiveCN1877311AQuick checkSimple and fast operationMaterial analysis by observing effect on chemical indicatorColor/spectral properties measurementsLithium hydroxideSodium hydroxide
The invention relates to a testing agent for detecting ammonia nitrogen in water. The testing agent comprises A, B two packages, wherein the A is packaged by grinding and mixing sodium tartrate, natrium salicylicum, citric acid trisodium and nipride; the B is packaged by grinding and mixing sodium-hydroxide, lithium hydrate, citric acid trisodium, babysafe, symclosene and symclosene. When use the testing agent, adding a pack of A into sample water, adding a pack of B after placing 2 minutes, the water will display blue-green color if there's ammonia nitrogen in the water, and the darkness of the color is in proportion to the concentration of the ammonia nitrogen; placing 10 minutes, comparing it with the standard color matching card, color matching disc to read the concentration of the ammonia nitrogen in the water.
Owner:GUANGDONG HUANKAI MICROBIAL SCI & TECH
Environment friendly type snow melt agent
InactiveCN101691480AStrong ability to melt snowSuitable for a wide temperature rangeOther chemical processesSodium metasilicateDecomposition
The invention relates to an environment friendly type snow melt agent, which comprises sodium chloride serving as a main component and various additives of sodium citrate, sodium dihydrogen phosphate, sodium metasilicate, urea, sodium carboxymethyl cellulose and the like, and may also comprises abscisic acid or indolylacetic acid or mixture thereof, sodium tartrate and humic acid or salt thereof. The snow melt agent of the invention has a high snow melt capacity and a wide application temperature range, is particular suitable for the ambient temperature of no less than 15 DEG C below zero and economy and environmental protection, and can effectively reduce the corrosion on metalized products and a concrete structure and effectively improve the anti-sallification ability of seeds, plants and soil. The invention also provides a method for using the snow melt agent. In the method, the finished product of the snow melt agent is unnecessarily prepared in advance, instead the main component and various additives are separately placed, and the snow melt agent is prepared in a construction site before using; therefore, the method can avoid the problems that the snow melt agent is wetted and hardened during storage and transportation, and also overcome the defects of high temperature energy consumption and possibly caused decomposition of additives in a process of preparing composite particles(such as coating granulation). The snow melt agent is simple in operation and low in cost and particularly suitable for mechanized spraying operation.
Owner:CHINA ACAD OF TRANSPORTATION SCI +1
Environment-friendly anodic oxidation pretreatment process
ActiveCN103498180AReduce corrosionSolving ingredient selection problemsSurface reaction electrolytic coatingEnvironmental resistanceAlkaline etching
The invention belongs to the technical field of surface processing, specifically relates to an environment-friendly anodic oxidation pretreatment process, and aims to improve the environment-friendliness and reduce the etching property on the matrix. The process orderly comprises the following steps: oil removing with an organic solvent, oil removing with a chemical method, bright dipping, alkaline etching, and bright dipping; wherein the formula of the bright dipping solution comprises the following components: sulfuric acid with a concentration of 230 to 270 g / L and potassium permanganate with a concentration of 0.8 to 1.2 g / L; and the formula of alkaline etching solution comprises the following components: sodium hydroxide with a concentration of 50 to 60 g / L, and one component with a concentration of 0.1 g / L to 0.5 g / L selected from sodium citrate, sodium tartrate, or sodium gluconate. The pretreatment process adopts low density alkali and an alkaline etching agent as the alkaline etching liquid, and low density sulfuric acid and an oxidant as the bright dipping liquid, and solves the component selection problem of alkaline etching agent and oxidant. The process has a low etching effect on aluminum materials, can remove the uneven passive film on the surface, and effectively avoid the over-etching phenomenon caused by alkaline washing and severe alkaline smog overflow.
Owner:BEIJING XINGHANG MECHANICAL ELECTRICAL EQUIP
Cleaning agent used for cleaning after glass UV drawing
ActiveCN107760459AInorganic/elemental detergent compounding agentsOrganic detergent compounding agentsAdhesiveGlycerol
The invention provides a cleaning agent used for cleaning after glass UV drawing. The cleaning agent is prepared from, by weight, 2-8 parts of inorganic additive, 1-10 parts of chelating agent, 1-5 parts of dispersing agent, 5-20 parts of surface active agent, 2-10 parts of cosolvent, 0.5-5 parts of glycerol and water, wherein the inorganic additive is at least one of sodium citrate, sodium tripolyphosphate, potassium pyrophosphate, sodium gluconate and sodium glucoheptonate; the chelating agent is at least one of ethylenediaminetetraacetic acid tetrasodium salt, ethylenediaminetetraacetic acid disodium salt, sodium tartrate, disodium salt of 1-hydroxy ethylidene-1,1-diphosphonic acid, tetra sodium of 1-hydroxy ethylidene-1,1-diphosphonic acid and sodium glucoheptonate. By selecting reasonable components and adopting an appropriate proportion, the compositions with different functions are mutually complemented and matched, so that the cleaning agent which is high in combination property and stable in cleaning effect is prepared, and the problems that adhesive residues and dirty obtained after drawing are cleaned incompletely and the UV adhesive on the cleaned glass is prone to falling can be solved at the same time.
Owner:LENS TECH
Litchi preservative and preparation method thereof
InactiveCN103734270AExtended shelf lifeEasy to prepareFruits/vegetable preservation by coatingSucroseSodium sorbate
The invention provides a litchi preservative which is composed of the following components in parts by mass: 2-3 parts of sucrose ester, 0.8-1.2 parts of sodium sorbate, 0.12-0.18 part of malic acid, 0.02-0.03 part of sodium tartrate, 0.006-0.008 part of sodium alginate, 0.005-0.008 part of potassium permanganate and 200-210 parts of water. The invention also provides a preparation method of the litchi preservative, which comprises the following steps: mixing the sucrose ester, sodium sorbate, sodium alginate and water according to the formula, stirring for 20-25 minutes, heating to 55-60 DEG C, adding the malic acid and sodium tartrate, stirring for 15-20 minutes, cooling to room temperature, adding the potassium permanganate, and stirring uniformly. The litchi preservative has the advantages of simple preparation method, reasonable formula, low cost and favorable preservation effect, is convenient to operate, and can prolong the litchi preservation period by 25-30 days.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY
Magnesium alloy surface conversion treatment liquid and treatment method thereof
ActiveCN102660736AAdjustable crystalCrystal fineMetallic material coating processesAcid washingPhytic acid
The invention relates to magnesium alloy surface conversion treatment liquid and a treatment method thereof. The magnesium alloy surface conversion treatment liquid comprises the following components of: 5 to 45 g / l of phytic acid, 0.1 to 3 g / l of calcium nitrate, 0.1 to 5 g / l of sodium tartrate and 0.1 to 3 g / l of ammonium metavanadate. The magnesium alloy surface conversion treatment method comprises the following steps of: performing mechanical pretreatment; deoiling and degreasing; performing acid washing; converting; and drying. The magnesium alloy surface conversion treatment liquid does not contain environmental pollution ingredients of chromium, fluorine and the like, the treatment method is simple and high in efficiency, and the compactness of film layers and the corrosion resistance and adhesive force of magnesium alloy organic coatings can be improved. The magnesium alloy surface conversion treatment liquid can be widely applied to the surface coating pretreatment of magnesium alloy castings, section bars and magnesium alloy products.
Owner:GUANGDONG INST OF NEW MATERIALS
Monophyletic solid disinfectant of chlorine dioxide and preparation method thereof
InactiveCN1969633AImprove stabilityPromote productionBiocideDisinfectantsSodium bicarbonateCITRATE ESTER
The invention discloses a monobasic solid chlorine dioxide sanitizer and making method, which comprises the following steps: a. weighing raw material with 16-19% sodium chlorite, 3-4% sodium percarbonate, 35-38% sodium bisulfate, 25-31% sodium tartrate, 5-6.2% citrate and / or amidosulfonic acid and 8.6-10.2% sodium bicarbonate; adding sodium percarbonate, sodium bisulfate, sodium tartrate and sodium bicarbonate in the drier to dry at 100-140 deg.c; b. blending sodium chlorite, sodium tartrate, sodium percarbonate and sodium bicarbonate in the sealed container evenly; c. adding sodium bisulfate, citrate and / or amidosulfonic acid to mix evenly; d. packing composition bag by bag.
Owner:刘桂发
Non-phosphorus environmentally-friendly corrosion-inhibition scale-inhibition dispersion agent and preparation method and application thereof
InactiveCN105461085AImprove performanceGood dispersionSpecific water treatment objectivesTreatment using complexing/solubilising chemicalsTungstateSalicylic acid
The invention provides a non-phosphorus environmentally-friendly corrosion-inhibition scale-inhibition dispersion agent and a preparation method and application thereof. The non-phosphorus environmentally-friendly corrosion-inhibition scale-inhibition dispersion agent is prepared from 30-60 parts of non-phosphorus polymer scale-inhibition dispersion agent, 40-80 parts of non-phosphorus polymer corrosion-inhibition agent, 10-20 parts of sodium carbonate, 2-5 parts of zinc salt, 6-10 parts of sodium tartrate, 2-8 parts of silicate, 4-8 parts of ammonium tungstate and 10-15 parts of other components, wherein the other components are composed of azoles, organic amine and salicylic acid. The scale-inhibition dispersion agent has the good characteristics of being free of phosphorus and environmentally friendly; in addition, the non-phosphorus scale-inhibition dispersion agent has excellent scale-inhibition dispersion capacity for calcium carbonate and calcium phosphate and has the capacity for dispersing ferric oxide and stabilizing zinc salt.
Owner:万全军
Method for measuring zinc and nickel contents in zinc-nickel alloy electroplating solution
ActiveCN103344641AAvoid serious harmGuaranteed sensitive to color changeMaterial analysis by observing effect on chemical indicatorSodium acetateImpurity
The invention relates to a method for measuring zinc and nickel contents in a zinc-nickel alloy electroplating solution and belongs to the technical field of methods for analyzing the electroplating solution. The method is mainly and technically characterized by comprising the following steps of: reacting dimethylglyoxime and Ni4+ to form a red soluble complex in the presence of an oxidant ammonium persulfate, adding sodium tartrate to eliminate iron and other impurity interference, and measuring the content of nickel in the zinc-nickel alloy electroplating solution by employing a colorimetric method; adding tartaric acid to mask iron and other impurities, with CuY-PAN as an indicator, titrating in an acetic acid-sodium acetate buffer solution with the PH being 5.5 by using an ethylene diamine tetraacetic acid (EDTA) standard titration solution by utilizing a replacement titration principle, calculating the total contents of zinc and nickel in the zinc-nickel alloy electroplating solution, and subtracting the nickel content from the total contents of zinc and nickel to solve the zinc content in the zinc-nickel alloy electroplating solution. The measurement method has the characteristics of simpleness in detection, convenient, rapid and environment-friendly detection process, low cost, accurate and consistent detection result and the like.
Owner:江南工业集团有限公司
Single-component solid chlorine dioxide sanitizer and preparation method thereof
InactiveCN101366392AImprove stabilityIngenious ideaBiocideDisinfectantsSodium chloriteChloride sodium
The invention provides a single-component solid chlorine dioxide disinfector and a preparation method thereof. The single-component solid chlorine dioxide disinfector comprises the components: sodium chlorite, tartaric acid, sodium tartrate, sodium chloride and sodium percarbonate. The preparation method is as follows: the tartaric acid, the sodium tartrate, the sodium chloride and the sodium percarbonate are dried respectively; the sodium chlorite is mixed evenly with the dried sodium tartrate, the sodium chloride and the sodium percarbonate; finally, the dried tartaric acid is added into the mixture to be mixed evenly; and the processes of inspection, weighing and packing are performed. The product has the content of the chlorine dioxide more than or equal to 8 percent, the sodium chlorite rate of conversion more than 90 percent, good stability, safety, more than two years of the storage period and long effective service life.
Owner:任新贵
{0><}0{>Retarding and water reducing agent and preparation method thereof
The invention discloses a retarded water reducer and a preparation method thereof, wherein the retarded water reducer comprises the following components in mass percentage: 6-14% of a water reducer, 1-4% of a slump retaining agent, 1-3.5% organic retarder, 1-2% inorganic retarder, 0.1-0.4% air-entraining agent, and the balance is water, wherein the organic retarder is sodium gluconate, One or more mixtures of sodium citrate, sodium tartrate or white sugar, and the inorganic retarder is one or more mixtures of borax, sodium tripolyphosphate, sodium pyrophosphate or sodium polyphosphate. Compared with the prior art, the present invention has the following beneficial effects: the water reduction rate is higher, all exceeding 25%, the air content of the concrete is lower, the workability is better, and there is no segregation, bleeding, and black pulp phenomenon, The pumping construction is good and fully meets the construction requirements.
Owner:宿州兴隆建材有限公司
Retarding-type cement grinding aid
InactiveCN106082761AImprove early and late strengthSpeed up the flowPolyaspartic acidCement grinding
The invention relates to the technical field of cement additives, particularly a retarding-type cement grinding aid. The retarding-type cement grinding aid is prepared from the following raw materials in parts by weight: 18-28 parts of triethanolamine, 12-24 parts of diethanolisopropanolamine, 2-8 parts of sodium tartrate, 5-17 parts of coco fatty acid diethanol amide, 8-16 parts of sodium gluconate, 6-14 parts of polyaspartic acid and 50-70 parts of water. The retarding-type cement grinding aid has favorable retarding effect, can enhance the early strength and later strength of cement, and is beneficial to enhancing the impermeability and freeze-thaw resistance of hardened concrete.
Owner:GUILIN HUAYUE ENVIRONMENTAL PROTECTION TECH CO LTD
Environment-friendly snow melt agent
InactiveCN101671541ALow priceWide variety of sourcesOther chemical processesSodium metasilicateDecomposition
Owner:CHINA ACAD OF TRANSPORTATION SCI +1
Non-equilibrium liquid condition composite pulse plasma polishing method
A polishing solution disclosed by the present invention is composed of the following components according to mass percentage: component A: (NH4)2SO4 aqueous solution with a concentration of 1% to 10%, component B: ethylene glycol with a concentration of 0.2% to 3% One or a combination of amine tetraacetic acid, ammonium citrate, sodium tartrate or sodium oxalate. The method of using the polishing liquid to carry out non-equilibrium liquid compound pulse plasma polishing, first prepare the polishing solution according to the above formula, then put the workpiece to be treated into the above prepared polishing liquid, add a compound electric pulse or an equivalent different Combination of positive and negative pulses, control positive pulse frequency 0.5-80kHz, duty cycle 5%-95%, voltage 200-480V, make the reaction in the most violent state, treatment for 1-5 minutes, that is to complete the polishing process. In the present invention, pulses are used instead of direct current, which is beneficial to the generation of plasma, so that the discharge plasma can obtain higher kinetic energy, better mirror effect and faster polishing speed.
Owner:XIAN UNIV OF TECH
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