61 results about "Pentetic acid" patented technology

The invention discloses a special fertilizer for preventing and controlling hami melon fruit cracking and a preparation method of the special fertilizer. The fertilizer is formed by mixing the following substances in percentage by weight: 2 percent to 5 percent of disodium octaborate tetrahydrate, 40 percent to 60 percent of ethylenediamine tetracetic acid calcium sodium, 10 percent to 20 percent of ethylenediamine tetracetic acid magnesium sodium, 5 percent to 10 percent of diethylenetriamine pentaacetic acid ferrisodium, 5 percent to 10 percent of ethylenediamine tetracetic acid manganese sodium, 10 percent to 20 percent of ethylenediamine tetracetic acid zinc sodium, 2 percent to 5 percent of ethylenediamine tetracetic acid copper sodium, 0.2 to 0.5 percent of sodium molybdate dehydrate and 0.1 percent to 1.0 percent of solid surface active agents, and the total weight percentage is 100 percent. From the early fruit expansion period to the fruit maturation period of hami melons, the fertilizer is dissolved in water according to the quantity being 800 to 2500 times, the spraying on leaves is carried out for three times, and the interval is 10 days for each time. The fertilizer has the advantages that the fruit cracking rate of the hami melon can be effectively reduced, and meanwhile, the fruit quality of the hami melons can be improved.

The invention discloses a polymer nanoparticle magnetic resonance contrast agent which is prepared by the chelation of diethylenetriamine pentaacetic acid-polyethyleneglycol-polylactic acid polymer nanoparticle and gadolinium chloride GdCl3. The structural formula is showed as right, wherein m and n are integers. The molecular weight of the diethylenetriamine pentaacetic acid-polyethyleneglycol-polylactic acid polymer nanoparticle is from 10000 to 50000. The polymer nanoparticle magnetic resonance contrast agent has obvious development increase function, realizes targeting development by the property of PLA-PEG-DTPA-Gd nanoparticle, is a passive targeting administration system, and has the characteristics of specificity, selectivity, obvious biological effect, and the like. Taking the PLA-PEG nanoparticle as a carrier of DTPA-Gd, the contrast agent increases the local concentration of medicine on liver, enhances the curative effect, reduces toxic and side effect and achieves the purpose of targeting development.

The invention relates to a method for preparing a rare earth oxide nano magnetic refrigerant material. The method comprises: mixing LaCO3, MnCO3, diethylenetriamine pentaacetic acid and glycol, adding deionized water into the mixture, heating and stirring the mixture for dissolution, filtering the mixture and obtaining a noncrystal precursor by drying; and placing the precursor in a box type resistance furnace for heating treatment, controlling the heating speed and temperature, keeping the temperature and then cooling the precursor to obtain the rare earth oxide nano magnetic refrigerant material. The method is simple in technical process, good in repeatability, low in crystallization and sintering temperature, adjustable in metal element proportion according to requirement and low in cost.

The invention discloses a method for preparing a micron-order alumina fiber. The method comprises the following steps: adding deionized water into diethylenetriamine pentaacetic acid, heating in a water bath at 80 DEG C to completely dissolve the diethylenetriamine pentaacetic acid; adding aluminum nitrate, continuously stirring for 2-6 hours after precipitated is generated; aging for 4 hours, decompressing and filtering the precipitate, drying for 6 hours at a constant temperature of 80 DEG C to obtain an alumina fiber precursor; putting the alumina fiber precursor into a quartz crucible; heating in an air atmosphere at a temperature of 600-1,200 DEG C, and maintaining for 2 hours to obtain the micron-order alumina fiber. The method is simple, low in reaction temperature, short in time, low in price of equipment; the prepared material is large in draw ratio and excellent in thermal stability, and has excellent commercial application prospect.

The invention discloses a method for bleaching waste paper pulp. The method comprises the following steps of: (1) adding H2SO4 and NaHSO3 in deinked waste paper pulp to implement acidification pretreatment; and without washing, directly adding diethyl pentetic acid (DTPA) to implement chelation pretreatment; (2) washing the deinked waste paper pulp treated in step (1) and implementing sodium borohydride pretreatment; and (3) washing the deinked waste paper pulp treated in step (2), adding an acid-base buffering agent, implementing hydrogen peroxide bleaching, and washing, thereby obtaining the bleached waste paper pulp. Under a short-process bleaching technology condition, the bleaching property of the paper pulp is improved, the strength property of the paper pulp is enhanced, the problem that the strength property of waste paper fibers degrades in the traditional bleaching process is solved, the reuse times of the waste paper fibers are increased, and the resource and environment problems hampering the improvement of Chinese paper manufacturing industry can be solved.

This invention relates to a chemical synthesis. It provides a polymer contrast agent for magnetic resonance imaging: end aldehyde group polyoxyethylene-diethylenetriamine pentaacetic acid block polymer. Its preparing process is: firstly, reacting diisocyanate and end hydroxy polyoxyethylene-diethylenetriamine pentaacetic acid to obtain end isocyanate group polyoxyethylene-diethylenetriamine pentaacetic acid block polymer; secondly, reacting said polymer and hydroxy aldehyde to obtain end aldehyde group polyoxyethylene-diethylenetriamine pentaacetic acid block polymer crude product; finally, purifying said end aldehyde group polyoxyethylene-diethylenetriamine pentaacetic acid block polymer. This has simple process and high yield; end aldehyde group polyoxyethylene-diethylenetriamine pentaacetic acid block polymer has amphipathy, innocuity, stable, low immunogenicity, good biocompatibility, multi-species, freely-soluble water, biodegradeable; it has advantanges high relaxation rate, freely-soluble water, clear imaging and little toxicity.

The present invention discloses a chromatographic method for determining the folic acid content in a health food. The chromatographic method comprises: (1) detection sample treatment; (2) standard substance preparation; (3) chromatographic condition setting; and (4) sample control, wherein diethylenetriamine pentaacetic acid (DTPA) and vitamin C are added during the detection sample treatment process so as to adjust the ion strength and mask the interference of the trace element ions on the detection, such that the direct and accurate determination of the folic acid content in the health product is achieved. According to the present invention, the chromatographic detection result of the technology is accurate and reliable, the problem that the result of the traditional determination process deviates from the actual value is solved, and the actual determination requirements are met.

The invention discloses a gel type moisturizing skin lotion and a preparation method thereof, and belongs to the technical field of cosmetics. The gel type moisturizing skin lotion is characterized bybeing prepared from, by weight, 4-15 parts of butanediol, 3-10 parts of glycerinum, 1-5 parts of hydrogenated lecithin, 0.1-3 parts of tocopheryl acetate, 1-3 parts of Chinese rehmannia glutinosa root extracts, 0.1-1 part of citric acid, 1-2 parts of cholesterol, 0.1-0.5 part of carbomer, 0.1-2 part of sodium citrate, 0.1-0.2 part of sodium hydroxide, 0.1-1 part of pentetic acid and the balance water. The hydrogenated lecithin, the tocopheryl acetate and the Chinese rehmannia glutinosa root extracts are compounded in use, synergy is achieved, and the moisturizing hydrating effects of the skinlotion are significantly improved. As the extracts of natural plants are added, the moisturizing and skin-nourishing effects are improved, and various functions of whitening, freckle removing, oxidation resisting, soothing, allergy resisting and the like are achieved at the same time. The raw materials are dissolved with alcohols, homogeneous emulsification is carried out at low temperature to make the effective ingredients in the raw materials fused with each other, and the gel type moisturizing skin lotion has delicate and smooth texture, and is easily and rapidly absorbed by the skin.

The invention relates to a synthesis method of a Ln0.3Sr0.7Fe0.7Cr0.3O<3-delta> ion-electronic mixed conductor material. The method comprises the steps: firstly, dissolving nitrate of Ln, Sr, Fe and Cr in water; then, adding diethylenetriamine pentaacetic acid and triethylene tetramine hexaacetic acid and regulating pH of the solution to be alkaline, performing hydrothermal reaction and then continuing heating and aging to obtain a solid precursor; and finally, grinding and thermal processing at high temperature so as to obtain the Ln0.3Sr0.7Fe0.7Cr0.3O<3-delta> ion-electronic mixed conductormaterial. The synthesis method has the advantages of low synthesis temperature and fine and uniform product particle and the like, and the obtained powder can be used for preparing a cathode of a medium-temperature solid oxide fuel battery.

The invention discloses a nucleotide aptamer-based metal probe as well as a preparation method and application thereof, and relates to the technical field of biological detection. The probe is composed of a 167Er metal cation, a bifunctional polymer and a -SHC6-A10-3. 2 aptamer. The preparation method of the probe comprises the steps of chelating 167Er cations with diethylenetriamine pentaacetic acid (DTPA) in a bifunctional polymer to form a polymer-based 167Er lanthanide metal chelate MCPs (167Er), and carrying out an addition reaction on the successfully chelated MCPs (167Er) and the -SHC6-A10-3.2 nucleic acid aptamer to generate the IMC probe based on the nucleotide aptamer. The metal probe can be used as a non-invasive diagnostic imaging reagent for identifying a target substance, and is used for quantitative and positioning analysis of protein of a cell line or tissue. The nucleotide aptamer-based metal probe disclosed by the invention has the advantages of high sensitivity, accurate positioning, high dyeing accuracy and the like.

The invention belongs to the technical field of molecular imaging, and relates to a targeted nano magnetic resonance contrast agent for articular cartilage injury as well as preparation and application of the targeted nano magnetic resonance contrast agent. The structure of the contrast agent is HA-DTPA-Gd, hyaluronic acid HA and gadolinium ions Gd (III) are linked through diethylenetriamine pentaacetic acid DTPA, and the molecular structural formula of the contrast agent is shown in the formula (I). The contrast agent can be injected through an articular cavity, the size of the contrast agent is nanoscale, nanoparticles are combined with an extracellular matrix of a cartilage defect area based on the surface effect of the nanoparticles, specific aggregation in the cartilage injury area is easier, the enhancement degree of a focus area after MRIT1 weighted delay enhancement is more obvious than that of a clinical gadolinium-containing contrast agent, and therefore the cartilage injury focus can be accurately and visually displayed; improvement of accuracy and safety of clinical treatment is facilitated, the curative effect of a knee joint cartilage injury treatment mode is evaluated, and prognosis of a patient is evaluated.

The invention discloses a refreshing shower gel, belonging to the field of daily chemicals, comprising the following components and weight ratios: water 60-70, myristic acid 20-30, lauric acid 18-24, potassium hydroxide 16-23 , Potassium Chloride 14‑19, Sodium Laureth Sulfate 12‑17, Palmitic Acid 9‑16, Propylene Glycol 8‑13, Ethylene Glycol Distearate 7‑12, Fragrance 5‑10, Cocamide Propyl Betaine 5‑10, Hydroxypropyl Methyl Cellulose 4‑8, Pentetic Acid 4‑8, Menthol 4‑8, Tetrasodium EDTA 3‑7, Butylated Hydroxytoluene 3‑7, Apple Juice 3‑ 7. Citric Acid 3‑7, Trideceth‑9 3‑5, Bisabolol 3‑5, Lily Flower Extract 3‑5, PEG‑40 Hydrogenated Castor Oil 1‑3, Maltodextrin 1 ‑3. Methylchloroisothiazolinone 1‑3, which solves problems such as sweating and odor.

The invention relates to a simple preparation method of antimony phosphate of a mixed morphological structure. Diethylenetriamine pentaacetic acid and antimony trichloride are sequentially dissolved in deionized water, and full stirring is carried out at the water bath condition of the temperature of 60 DEG C; then ammonium dihydrogen phosphate is added, full stirring is carried out, and a precursor mixed solution is formed; the obtained precursor mixed solution is poured into a polytetrafluoroethylene-lined stainless steel hydrothermal reaction still, a constant-temperature hydrothermal reaction is carried out for 10 h at the temperature of 160 DEG C, centrifugal washing and drying are carried out, and the product is obtained. The method is simple, easy to operate, environmentally friendly, low in cost and pure in product, prepared antimony phosphate can efficiently remove organic pollutants in water, and good application prospects are achieved. The photocatalytic activity of prepared antimony phosphate is obviously higher than that of commercial rutile TiO2.

The invention relates to a simple preparation method of antimony phosphate with a mixed form structure. Diethylenetriaminepentaacetic acid and antimony trichloride are sequentially dissolved in deionized water, and fully stirred under 60°C water bath conditions; then ammonium dihydrogen phosphate is added. , stir thoroughly to form a precursor mixed solution; pour the obtained precursor mixed solution into a polytetrafluoroethylene-lined stainless steel hydrothermal reaction kettle, perform a constant temperature hydrothermal reaction at 160°C for 10 hours, centrifuge, wash and dry to obtain the product. The method of the invention is simple and easy to operate, environmentally friendly, low in cost, and the product is pure. The prepared antimony phosphate can efficiently remove organic pollutants in water, and has good application prospects. The photocatalytic activity of the antimony phosphate prepared by the present invention is significantly higher than that of commercial rutile TiO2.

The invention relates to the preparation of an antimony phosphate nano superstructure and its new photocatalytic application. Diethylenetriaminepentacetic acid and antimony trichloride are sequentially dissolved in deionized water, and stirred fully under 60°C water bath conditions; then added Ammonium dihydrogen phosphate, stir thoroughly to form a precursor mixed solution, filter the precursor mixed solution to obtain a precursor solution and precursor precipitation; let the precursor solution stand in a 60°C water bath for 10 to 20 minutes to form a suspension system; take the suspension system The upper part of the suspended clarified liquid and all the precursor precipitates were poured into a polytetrafluoroethylene-lined stainless steel hydrothermal reactor, subjected to a constant temperature hydrothermal reaction at 160°C for 10 hours, centrifuged, washed and dried to obtain the product. The preparation method of the antimony phosphate nano superstructure of the present invention is simple, the prepared antimony phosphate has good photocatalytic activity, and expands the types of photocatalysts, morphology types and preparation methods of antimony phosphate.

The invention discloses a blocking remover for oil fields and a preparation method of the blocking remover. The blocking remover comprises a prepad fluid, a main body fluid and a postpad fluid in a mass ratio of 1: 4: 1. The prepad fluid comprises hydrochloric acid, ammonium diethylenetriaminepentaacetate, dodecyl dimethyl betaine, 1-hydroxyethylidene-1, 1-diphosphonic acid, polyacrylamide, a corrosion inhibitor and the balance of water. The main body liquid comprises paraformaldehyde, ammonium chloride, ammonium chloroacetate, butyl cellosolve, dodecyl dimethyl betaine, nitrilotriacetic acid,polyacrylamide, a penetrating agent, a corrosion inhibitor and the balance of water. The postpad liquid comprises an oxidizing agent, hydroxytriacetic acid, sodium hypochlorite, ethylene glycol butylether, a penetrating agent, a corrosion inhibitor and the balance of water. The combination of acid, authigenic acid, an oxidizing agent and the like is adopted, inorganic matter, biological flora, metal corrosives and high-molecular polymers can be thoroughly degraded one by one, then blockages in oil and water wells are thoroughly removed, and the purpose of remarkably improving the oil yield is achieved.

The invention discloses a 1-heterocycle-5-substituted phenyl-1-pentanone compound and a preparation method and application thereof, belonging to the technical field of synthesis of organic compounds. The compound has a structure shown as a general formula I. The preparation method of the compound comprises the following step of: undergoing a dehydration condensation reaction on 5-substituted phenyl-pentanoic acid, 2-cyanimino-1,3-thiazolidine, 2-nitroimino-1,3-imidazolidine or 3-substituent-4-nitroimino-1,3,5-dioxazine in an organic solvent in the presence of dicyclohexylcarbodiimide. The compound has a simple structure, is readily available, has high chemical killing activity on bean aphid serving as an agricultural pest, and can be practically applied to agricultural production.

The invention discloses high-thixotropy 3D printing concrete with long opening time and a preparation method of the high-thixotropy 3D printing concrete. The high-thixotropy 3D printing concrete is prepared from 300-500 parts of a Portland cement component, 300-750 parts of an inorganic filler component, 0.5-1.5 parts of a fiber component, 0.5-3 parts of an ester group modified polyacrylic acid thickener, 0.5-5 parts of a macromolecular side chain acrylic polymer, 0.5-3 parts of diethylenetriamine pentaacetic acid, 50-100 parts of fulvic acid modified tailing slag powder and 90-150 parts of tap water. The tailing slag powder subjected to grinding and fulvic acid etching modification is high in reaction activity, large in specific surface area and low in harmful metal ion content, the concrete strength can be enhanced, and the concrete is endowed with good thixotropy and water retention. The compatibility of the acrylic polymer with larger side chain molecules, the diethylenetriamine pentaacetic acid and the ester-modified polyacrylic acid thickener is good. The prepared concrete is high in thixotropy and long in opening time, continuous construction of large-scale 3D printing engineering is facilitated, tailing slag is subjected to resource utilization, and the concrete is more environmentally friendly.

The present invention relates to a method for forming an ophthalmic composition comprising mixing at least one hydroxide and pentetic acid with water and at least one oxidatively unstable component to form an ophthalmic composition comprising at least one salt of diethylenetriamine pentaacetic acid and a pH between about 6 and about 8.

The invention provides a nano-lipidosome for magnetic resonance imaging of acute pancreatitis, wherein a lipid material in the nano-lipidosome includes a mannitol-modified distearyl phosphatidyl ethanolamine-polyethylene glycol copolymer and cholesterol, and the nano-lipidosome is rich in a lipid conjugate of a MRI T1 contrast agent diethylenetriaminepentaacetic acid gadolinium bismeglumine (DTPA(Gd)). The nano-lipidosome is targeted to a mannitol receptor on the surface of inflammatory macrophages, and achieves effective determination between normal pancreas and pancreas in acute pancreatitisby enhancing the MRI T1 signal of the macrophages at the lesion of the acute pancreatitis. Furthermore, by means of intensity change of the T1 signal value, the difference of number of the macrophages at the lesion can be determined, so that the nano-lipidosome can effectively distinguish lesser and severe acute pancreatitis.

The invention discloses a double-excitation fluorescence probe and a preparation method and application thereof in detection of hydrazine in water. The preparation method includes: taking diethylenetriamine pentaacetic acid, acetic anhydride and pyridine, stirring and heating for 24h at 65 DEG C, cooling, filtering, washing and drying; well mixing obtained diethylenetriamine pentaacetic acid dianhydride with triethylamine, DMF (dimethyl formamide) and fluorescein, heating and stirring for 24h at a constant temperature of 100 DEG C, cooling, filtering, and drying; dissolving obtained diethylenetriamine pentaacetic acid-bis(fluorescein) into Tris-HCl / DMSO (10mmol.L<-1>, v / v=9:1) buffer solution with pH equal to 7.5, mixing with Tb(NO3)3.6H2O, and heating or placing for more than two hours toobtain a target product. Uric acid detection is realized by combination of Tb<3+>-dtpa-bis(fluorescein) as a double-excitation probe and a fluorescence method. The method is simple, novel, high in efficiency and low in cost, and applicability to practical water samples is realized.

The invention discloses porphyrin modified by diethylenetriamine pentaacetic acid gadolinium and a preparation method and application thereof. The porphyrin modified by diethylenetriamine pentaacetic acid gadolinium has the following structure (I) shown in the specification of the invention. The porphyrin modified by diethylenetriamine pentaacetic acid gadolinium has favorable water solubility and higher biomagnetic effect. Through large quantity of grope by the inventor, the orphyrin modified by diethylenetriamine pentaacetic acid gadolinium has high enhancement in clinical MRI (Magnetic Resonance Imaging) and also stronger fluorescence quantum yield, strong fluorescent effect and wide application prospect and can be applied to the fields of nonlinear photoelectric materials, magnetic resonance imaging diagnosis, fluorescent molecular probes and the like. A preparation method of a porphyrin contrast agent modified by the diethylenetriamine pentaacetic acid gadolinium is concise and easy to operate.

The invention belongs to the field of daily chemicals. A kind of children's bath soap, is made up of the component of following percentage by weight: 70-90% sodium palm kernel oleate; 0.05-0.3% EDTA-4Na or pentetic acid pentasodium; 1-3% humectant sorbitol or glycerin; 0.1‑0.2% antioxidant; 0.2‑2.0% food coloring; 2‑5% glycerin; 0.5‑0.7% preservative; purified water to make up to 100%. The present invention has the function of bathing, and because food coloring is added, it is a colored soap, which can allow children to do graffiti in bathing and increase fun. Glycerin acts as a safe humectant to hydrate children's delicate skin.

A polyoxyvinyl-kind block polymer ligand used as the medical contrast medium for intravenous injection is prepared through the reaction between the benzoic acid with activated carboxyl or its derivative and the amino terminated block polyoxyethene modified ligand to obtain crude BEN-PEO-DTPA block polymer ligand, and purifying.

The invention discloses a blockage removing agent for oilfields and a preparation method thereof, which comprises a pre-fluid, a main body fluid and a post-fluid with a mass ratio of 1:4:1; wherein, the pre-fluid includes hydrochloric acid, ethylene glycol Triaminepentaacetic acid amine, dodecyl dimethyl betaine, hydroxyethylidene diphosphonic acid, polyacrylamide, corrosion inhibitor, and the balance is water; the main liquid includes paraformaldehyde, ammonium chloride, Ammonium chloroacetate, ethylene glycol butyl ether, dodecyl dimethyl betaine, aminotriacetic acid, polyacrylamide, penetrating agent, corrosion inhibitor, and the balance is water; Acetic acid, sodium hypochlorite, butyl glycol ether, penetrating agent, corrosion inhibitor, and the balance is water. The present invention adopts the combination of acid + authigenic acid + oxidizing agent +, which can thoroughly degrade inorganic substances, biological bacteria clusters, metal corrosion products and high molecular polymers one by one, and then completely remove blockages in oil and water wells, achieving significant improvement The purpose of oil production.

The embodiment of the invention discloses a multipurpose polishing solution main solution, and belongs to the technical field of surface treatment, the multipurpose polishing solution main solution comprises a component A selected from one or more of ethanolamine, hexamethylenetetramine, pyridine, triethanolamine, N-methylmorpholine, tetramethylethylenediamine and tetramethylammonium hydroxide; the component B is selected from one or more of sodium tripolyphosphate, sodium polyphosphate, sodium hexametaphosphate, sodium pyrophosphate, diethylenetriamine pentaacetic acid amino trimethylene phosphonic acid, ethylenediamine tetramethylene phosphonic acid, diethylenetriamine pentamethylene phosphonic acid, amino trimethylene phosphonic acid, polyacrylic acid, polyepoxysuccinic acid and maleicacid; and the component C is selected from one or more of triethylene diamine, ethylenediamine, isopropylamine and p-toluidine. The multipurpose polishing solution main solution not only can be used for polishing sapphire materials, but also can be used for polishing glass materials, ceramic materials and the like, realizes multiple purposes, and is low in cost, simple in component, easy to degrade and environment-friendly.

The invention relates to the production of zinc trisodium pentetic acid (Zn-DTPA) and to new crystalline forms of said salt.

The invention provides a cadmium ion detection kit and its preparation method and application. The cadmium ion complete antigen is a complex of cadmium ion, a chelating agent and a carrier protein; wherein the chelating agent includes ethylenediaminetetraacetic acid, Diethylenetriaminepentaacetic acid, diethylenetriaminepentaacetic acid derivatives, 1,4,7,10-tetraazacyclododecane-N,N,N,N-tetraacetic acid or 1,4,7,10 Any one or a combination of at least two of ‑tetraazacyclododecane‑1,4,7,10‑tetraacetic acid‑N‑hydroxysuccinimide esters. In the present invention, the heavy metal cadmium ion is coupled with the carrier protein through a bifunctional chelating agent to obtain the complete antigen of the cadmium ion, and a cadmium ion monoclonal antibody with strong immunogenicity and higher titer to the cadmium ion is prepared, and the kit composed of the specificity Strong, high sensitivity, can be used to detect cadmium ions.

The invention discloses a masson pine 'paper pulp-rosin extraction' mode middle-term rosin extraction method which comprises the following steps: (1) selecting 15-year-old masson pine, extracting rosin according to a descending bilateral groove rosin extraction method, and spraying a rosin increasing agent to a newly cut wound surface by using a sprinkling can, the rosin increasing agent compriseslysine, magnesium chloride, zinc nitrate, ferric chloride, copper nitrate, borax, sodium chloride, ammonium molybdate, mannose, diethylene triamine pentaacetic acid, triethanolamine, naphthylacetic acid, 6-benzylaminopurine and distilled water; and (2) forming a middle ditch in the longitudinal central line of the cutting surface, mounting a rosin receiving container at the lower end of the middle ditch, collecting rosin according to a single-side strength rosin collecting method, reserving a nutrient zone, and completing rosin collecting 7 years before felling. According to the method, a descending type double-side ditch rosin extraction method is combined with a novel rosin increasing agent for tree single-side rosin extraction, and the problems of low rosin yield per unit area, low economic benefits and the like are solved.

The invention discloses a multifunctional neutralizing acid agent for laundry dragons and a manufacturing process thereof. The neutralizing acid agent comprises the following components in mass percent: trisodium methylglycine diacetate 1-5%, diethyl ether with a purity of 40%. Triaminepentaacetic acid 2‑6%, fluorescent whitening agent 0.01‑0.5%, sulfamic acid 12‑20%, citric acid 1‑5%, oxalic acid 1‑5%, hydrofluoric acid 0.01‑0.2%, ethanol 2 ‑6%, the balance is deionized water. The multifunctional neutralizing acid agent for laundry dragon provided by the invention is simple and practical to manufacture, has good neutralizing performance, and can quickly and synchronously complete peracid neutralization, softening, antistatic and whitening treatments. The neutralizing acid agent provided by the invention not only neutralizes alkaline substances, but also effectively removes calcium, magnesium, iron ions and other dirt deposits deposited on public textiles, effectively avoiding graying and yellowing of textiles after repeated washing , so that the whiteness value can be kept > 70 degrees for a long time; after using the neutralizing acid agent, the pH value of public textiles in wet state can be 5-7, so as to avoid skin irritation caused by public textiles after washing.