2704 results about "Dodecyl sulfate" patented technology

A system for delivering a chemical agent in the form of a spray or foam, which in a preferred embodiment involves the use of an aerosol dispenser to deliver a formulation containing both an anionic surface active agent such as sodium lauryl sulfate as a foaming agent and a chemical agent such as either hydrogen peroxide as a disinfecting chemical agent or natural sea water.

The invention discloses a preparation method of a graphene-carbon nanotube compound film based on a three-dimensional network appearance. The method comprises the step of: transferring and stamping graphene and a carbon nanotube onto glass, a tantalum sheet, a silicon chip, a stainless steel plate or a polyethylene glycol terephthalate substrate in the mass ratio (1-10):1 through spraying deposition or vacuum suction filtration, wherein the grapheme is graphene oxide prepared by using an improved Hummers method; and a preparation method of a carbon nanotube solution comprises the following steps of: mixing acids; dispersing surfactants such as sodium lauryl sulfate, sodium dodecyl benzene sulfonate and hexadecyl trimethyl ammonium bromide in an auxiliary way, and the like. The graphene-carbon nanotube compound film prepared by adopting the method has the advantages of adjustable transmission and surface resistance, high uniformity, high stability, simple preparation method process and the like, and can be loaded on a rigid substrate as well as a flexible substrate.

The invention relates to a preparation method and an application of a selenium-enriched foliar fertilizer. The preparation method comprises the steps as follows: the selenium-enriched foliar fertilizer is prepared by sodium selenate, sodium selenite, fulvic acid, urea, compound sodium nitrophenolate, SDS (sodium dodecyl sulfate) and the balance water; and the sodium selenate and the sodium selenite are taken as donors of selenium, the fulvic acid is taken as a chelating agent, the compound sodium nitrophenolate is taken as a plant growth regulator, and the fertilizer is compounded by adding the plant growth regulator compound sodium nitrophenolate and the urea and the SDS. The selenium-enriched foliar fertilizer is mainly used for crops such as wheat, corn, tomatoes, muskmelons, sugar beet, red dates, walnuts, apples, bergamot pears and the like, and can provide the selenium element for the crops and improve the selenium contents in the crops. The selenium contents of the crops are improved by 128.6-275.0% while compared with those of crops without using the selenium-enriched foliar fertilizer.

The invention belongs to the technical field of conducting adhesive preparation and particularly relates to a preparation method of a graphene filling isotropic high-performance conducting adhesive. Graphene prepared in a ball-milling mode is adopted as a conducting filler, surface active agents including sodium dodecyl sulfate or silane coupling agent KH550 and the like are adopted to process the graphene to enable the dispersion degree of the graphene in the conducting adhesive to be increased, and the prepared high-performance conducting adhesive can be widely applied to the electronic packaging industry and has extremely remarkable effects.

A detergent composition is provided, which contains a) anionic surfactant which is 0.1%-20% of total weight of the composition, wherein the mentioned anionic surfactant is selected from fatty alcohol - polyoxyethyleneether sulfate series, dodecyl sulfate series, secondary alkane sulphonate series and group formed by their mixture; b) nonionic surfactant which is 0.1%-30% of total weight of the composition; c) citrus essential oil which is 0.01%-3% of the total weight of the composition; and d) equilibrium amount of water. The other aspect of the invention is to provides a dirt cleaning method from substrate, which includes a step of contacting substrate with mentioned detergent composition in liquid and / or gaseous phase (or putting the substrate into the composition).

The invention relates to a textile water-based pigment printing binding agent and a preparation method. The textile water-based pigment printing binding agent is prepared in a way that acrylonitrile, ethyl acrylate, butyl acrylate, crylic acid, hydroxyethyl methacrylate, acrylamide, sodium dodecyl sulfate, alcohol dodecyl polyoxyethylene (10) ether, deionized water, ammonium persulfate and sodiumhydrogen sulfite are subjected to emulsion polymerization and then are mixed with pyrolysis closed polyurethane crosslinking agent according to proportion. The product is cured in low temperature condition, has remarkable advantages in the aspects of dry rubbing fastness, wet rubbing fastness, soaping fastness and the like, is simple and easily-controllable in production operation, and is energy-saving and environment-friendly.

The invention discloses concrete with the functions of crack resistance and infiltration resistance. The concrete comprises the following raw materials in part by weight: 70-100 parts of cement, 400-500 parts of macadam, 50-70 parts of river sand, 40-50 parts of fly ash, 30-60 parts of mine residues, 5-20 parts of coal slack, 20-50 parts of basalt fibers, 5-15 parts of polypropylene fibers, 5-20 parts of glass fibers, 6-13 parts of expanded perlite, 20-80 parts of nanometer silicon dioxide, 5-15 parts of nano calcium carbonate, 1-3 parts of sodium dodecyl sulfate, 3-6 parts of zinc stearate, 2-5 parts of zinc borate, 3-7 parts of sodium citrate, 0.5-1.4 parts of acetyl tributyl citrate, 0.7-1.3 parts of diethylenetriamine, 3-10 parts of a water reducing agent, and 80-100 parts of water. The concrete disclosed by the invention has the advantages of good crack resistance, excellent infiltration resistance and good durability.

The invention relates to a cleaning agent, in particular to a special cleaning agent for a three-way catalyst of a vehicle. The cleaning agent is a mixed solution of one or combination of 3 to 10 percent of hydrochloric acid or sulfamic acid with inorganic acid concentration of 31 percent, 2 to 5 percent of surfactant sodium dodecyl sulfate and 1 to 5 percent of sodium triphosphate, one or combination of 1.5 to 5 percent of corrosion inhibitor isoquinoline quaternary ammonium salt and 1.5 to 5 percent of EDTMPS, 0.5 to 3 percent of chelating agent cetyl trimethyl ammonium bromide, and 50 to 60 percent of water. The cleaning agent can directly clean the three-way catalyst under any condition, especially under the condition that the vehicle engine cannot be started, so as to achieve the aim of effectively and quickly removing the gum deposited carbide of the three-way catalyst of the vehicle, and has the characteristics of high product cost performance, environment friendliness, multiple functions and the like, is convenient in use, and can reactivate the vehicle three-way catalyst and prolong the service life of the vehicle three-way catalyst.

The invention discloses a textile deepening agent and a preparation method thereof. The textile deepening agent comprises the following steps of: 1) mixing nano silica, a silicane coupler and alcohol, and reacting for 16-30 hours at a temperature of 10 DEG C to 35 DEG C to obtain silicane coupler modified nano silica solution; 2) using methyl methacrylate to displace alcohol, adding butyl acrylate, hexadecane and water, after uniformly mixing, mixing with dodecy sodium sulfate water solution, and obtaining emulsion after the mixture is dispersed; and 3) under the protection of protective gas, increasing a temperature of the emulsion to 50 DEG C to 90 DEG C, adding potassium peroxydisulfate water solution, initiating a polymerization reaction, and obtaining the textile deepening agent after reacting for 2-4 hours at the temperature of 50 DEGC to 90 DEG C. The preparation method is simple, is easy to implement, and is easy to be applied in the industrialized large-scale production. The invention further discloses a textile deepening agent, a silica particle is connected with a polymer through the surface silicane coupler, so that the coloring efficiency of a dye is increased, a color of dyeing textile is deepened, and the textile is provided with a remarkable washing resistant property.

The invention discloses foam concrete and a method for preparing the same. The foam concrete comprises, by weight, 80 parts of cement, 20 parts of fly ash, 1.25 parts of coagulants, 0.35 part of waterreducing agents, 0.4 part of fibers, 3.5 parts of admixtures, 0.025 part of foam stabilizers, 10 parts of foaming agent solution and 50 parts of water. SDS (sodium dodecyl sulfate), APFA (animal protein foaming agents) and water with certain proportions are mixed with one another to obtain the foaming agent solution, foam is prefabricated by the aid of air compressors, then the foam and cement slurry are mixed with one another, and the foam concrete can be prepared under the conditions of the stirring water temperature of 22.5-45 DEG C, the secondary stirring time of 10-75 s and the foam mixing amount of 2250-2875 ml. The foam concrete and the method have the advantages that the foaming agents of the novel foam concrete are easy to manufacture and operate and low in manufacturing cost, and accordingly the foam concrete is low in input and energy consumption and reliable in quality and can be applied to energy-saving buildings and prefabricated buildings.

The invention relates to a nanometer carboxylated polystyrene microsphere with a spacer arm and a preparation method thereof. A nanometer carboxylated polystyrene microsphere A is prepared by taking styrene and acrylic acid as a mixed monomer, taking water as a reaction medium, taking potassium persulfate as an initiator and taking sodium dodecyl sulfate as an emulsifier with an emulsion polymerization method. In the presence of EDC (Ethylidene Dichloride) serving as a coupling agent and Sulfo NHS, 4-aminobutyric acid, 6-amidocaproic acid or 8-aminocaprylic acid is connected to the surface of the microsphere, so that the nanometer carboxylated polystyrene microsphere with the spacer arm is prepared. The spacer arm is introduced into the surface of the nanometer microsphere, so that the steric hindrance of a coupling macromolecule is lowered, the activity and utilization ratio of the macromolecule are increased, and a nonspecific interaction between the macromolecule and the polystyrene microsphere is reduced. Meanwhile, the grain diameter of the microsphere can be adjusted by adjusting the using amount of the emulsifier, the length of the space arm and surface density, so that the nanometer microsphere has a wide application prospect in the fields of immune diagnosis, solid phase extraction and the like when serving as a carrier as well as a template.

The invention belongs to collophanite flotation technology, and relates to a direct flotation collector of collophanite at room temperature and a preparation method thereof. The collector comprises ingredients with the following weight ratio: fatty acids 95-100 parts, sodium hydroxide 10-15 parts, sodium dodecyl sulfate 3-8 parts, polyoxyethylene5-10 parts and pine oil 1-3 parts. The preparation method includes: according to a certain weight ratio, heating and stirring the mixture of sodium dodecyl sulfate, polyoxyethylene pine oil, and water to obtain a novel surfactant; subjecting the fatty acid to saponification; finally, compounding the saponificated fatty acid and the novel surfactant by a certain percentage, stirring uniformly so as to obtain the collector. The direct flotation collector is not only good in solubility, but adaptable to low and medium grade collophanite and different temperature. In addition, the direct flotation collector has the advantages of good stability and simple pharmaceutical preparation process, Information about residual glue in the glue container is determined according to forming of vacuum when the vacuum generating system extracts air in the detection tube and accordingly can be widely used in the beneficiation of collophanite.

The invention relates to a corrosive liquid used for monocrystal line silicon matte preparation and a use method thereof. The components of the corrosive liquid are 1-5% (mass ratio) of NaOH or KOH aqueous solution, 1-50mg / L sodium dodecyl sulfate and 0-6% (mass ratio) of sodium silicate. Monocrystal line silicon slice is immerged in the corrosive liquid when preparing the matte and corroded for 10-60 minutes at the temperature of 70-95 DEG C, and the matte is obtained. The method of the invention is simple, inexpensive and stable and is applicable to mass industrialization.

The invention relates to a preparation method for composite thermal insulation mortar. The method comprises the following steps: cement, fly ash, redispersible latex powder, polypropylene fiber, animal protein foaming agent and lauryl sodium sulfate foaming agent are poured into a high speed mixer to be evenly mixed, and then the mixture is added with vitrified micro bubbles and polystyrene particles to be evenly mixed to obtain the composite thermal insulation mortar. The invention has the advantages that the lauryl sodium sulfate foaming agent modified by using the animal protein foaming agent is rapidly dry-mixed and stirred to obtain the composite thermal insulation solid mortar, and the rapid production is favorable for saving energy and reducing consumption; the composite thermal insulation mortar during the construction is easy to uniformly stir, is not easy to layer, is long in opening time and also has the advantages of easy sale by bulk, easy coating and easy scraping, heat preservation, energy saving, simple operation and convenient construction; and the coefficient of heat conductivity is 0.055-0.067 W / m.k..

The invention relates to a Cu / Cu2O core-shell composite microsphere and a preparation method thereof. The core-shell composite microsphere is composed of a core and a shell and has an average grain size of 300-500 microns, wherein porous Cu is taken as the core and 200-nanometer cubic Cu2O is taken as the shell. The preparation method of the core-shell composite microsphere comprises the following steps: while stirring, adding a mixed solution of precipitant, ethylene glycol and water into a mixed solution of nantokite, sodium dodecyl sulfate, reducing agent, ethylene glycol and water, and performing reflux reaction for 12-48 hours; standing for 0-15 hours at room temperature, and then washing and filtering; and drying an acquired product, thereby acquiring the Cu / Cu2O core-shell composite microsphere. A simple reflux method is adopted to prepare the Cu / Cu2O core-shell composite microsphere and a cuprous oxide in smaller grain size is attached to the surface of a copper sphere carrierin bigger grain size, thereby efficiently solving the difficulty in recycling cuprous oxide powder. Besides, the raw materials are cheap and easily acquired.

The invention discloses a method for catalyzing dynamic kinetic resolution of arylamine via a racemization catalyst, comprising the following steps of: 1) adding p-chlorophenol, n-pentanoic acid, dicyclohexylcarbodiimide and 4-dimethylamino-pyridine, and carrying out mixing, filtration, drying, concentration and column chromatography to obtain a pentanoic acid p-chlorophenyl ester acyl donor; 2) carrying out coprecipitation on magnesium chloride solution and aluminum chloride solution and carrying out water-heat treatment to obtain chloridion intercalated hydrotalcite, adding the chloridion intercalated hydrotalcite in lauryl sodium sulfate aqueous solution, and carrying out backflow, cooling, centrifugation, water washing, acetone washing and drying to obtain a carrier; 3) adding palladium salt and the carrier, and carrying out heating, ascorbic acid addition, centrifugation, water washing, acetone washing and freeze-drying to obtain the racemization catalyst; and 4) adding arylamine, the acyl donor, lipase and the racemization catalyst in toluene and placing in a stainless steel reactor to add hydrogen so as to obtain amide. The method provided by the invention is used for catalyzing the dynamic kinetic resolution of arylamine, has rapid reaction rate, low temperature, high conversion rate and high product optical purity, and has great application value.

The invention relates to an equipment cleaning agent which is used in the field of petroleum and chemical industry, in particular to a ferrous sulfide dirt neutral complexing cleaning agent which is used for washing a synthesized ammonia low-temperature methanol washing unit system in the petroleum chemical industry and the coal chemical industry. The ferrous sulfide dirt neutral complexing cleaning agent is prepared from the following raw materials in parts by weight: 5 to 8 parts of sodium gluconate, 7 to 11 parts of sodium salicylate, 20 to 26 parts of gadoliniam diethylene triamine pentaacetic acid, 20 to 26 parts of sodium ethylene diamine tetracetate, 40 to 46 parts of propenoic acid-itaconic acid copolymer, 25 to 32 parts of disodium polyepoxysuccinicate, 12 to 15 parts of sodium hydroxyphenylace, 3 to 7 parts of triethanolamine, 3 to 7 parts of hydrogen peroxide, 0.1 to 0.3 part of lauryl sodium sulfate, 0.1 to 0.3 part of polydimethyl siloxane fluid and 40 to 45 parts of water. The ferrous sulfide dirt neutral complexing cleaning agent is free from generating hydrogen sulfide when cleaning the ferrous sulfide dirt and corroding the equipment and has strong capacity for complexing the iron ions, the removal speed is fast, the decontamination rate is more than 98 percent, the neutralization and passivation are unnecessary to carry out after the chemical washing, and the equipment can be put into operation immediately.

The invention provides a heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent. The heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent is prepared from the following components in percentage by weight: 30-50 percent of biomass charcoal, 5-10 percent of diatomite, 5-10 percent of sodium bentonite, 5-10 percent of activated aluminum oxide, 10-20 percent of dithiocar-bamate, 5-10 percent of ethylenediaminetetraacetic acid, 5-10 percent of tartaric acid, 5-10 percent of polyacrylamide and 5-10 percent of sodium dodecyl sulfate. A preparation method for the heavy metal cadmium, lead and arsenic compound contaminated soil restorative agent comprises the following steps: mixing the biomass charcoal, diatomite, sodium bentonite, activated aluminum oxide, ethylenediaminetetraacetic acid, tartaric acid, polyacrylamide and sodium dodecyl sulfate in mass proportion to obtain a mixture; and adding the dithiocar-bamate into the mixture in corresponding mass proportion to sufficiently mix uniformly, thereby obtaining the prepared soil restorative agent. The prepared soil restorative agent has good effect in restoring the cadmium, lead and arsenic compound contaminated soil.

Novel methods and compositions for treating aged and environmentally damaged skin are disclosed which provide improvements in the skin's visual appearance, function and clinical / biophysical properties by activating at least one proteolytic enzyme in the skin's stratum corneum. The disclosed treatment methods involve topical application of a novel cosmetic composition containing a combination of a cationic surfactant such as N,N,-dimethyldodecyl amine oxide (DMDAO), an anionic surfactant such as sodium dodecyl sulfate (SDS), or monoalkyl phosphate (MAP) and a chelating agent such as ethylene diamine tetraacetate (EDTA) to stimulate a chronic increase in the replacement rate of the skin's stratum corneum by means of corneum protease activation. This chronic, low level stimulation is effective to induce repair and replacement of the stratum corneum, epidermis, and dermis of the skin and improvements in the appearance, function, and anti-aging properties of the skin.

Said invention relates to formula and preparation of plant hollow capsule for packaging powdered preparation, which is composed of 16-25 % of vegetable gelatin, 2.0-5.0 % of intensifier, 0.02-0.026 % of surface active agent, 0.15-0.20 % of moistening agent, the others is water. The said vegetable gelatin is one of or both of pectin and carrageenin, said intensifier is one kind or more than one kind of chitosan, carboxymethyl starch and hydroxyporpyl cellulose. Said surface active agent is sodium dodecyl sulfate. Said moistening agent is glycerol. Said plant hollow capsule has good stability, stored for long time and also can be produced by utilizing the equipment used in producing capsule from geltin.

The invention discloses a wet type dust-laying agent composition and a use method thereof. According to the percentage by weight, 0.04-0.06% of sodium dodecyl sulfate, 0.04-0.06% of sodium dodecyl benzene sulfonate, 99.547-99.91% of water and 0.111-0.333% of calcium chloride are fully mixed; and the mixed liquid is pressed into a spraying dust-laying system of a working face in the coal mine for spraying. The sodium dodecyl sulfate and the sodium dodecyl benzene sulfonate are the substances with surface activities and the molecules of the two substances are formed by hydrophilic groups and hydrophobic groups. The hydrophobic groups are generally formed by longer carbon chains, have the characteristics close to the characteristics of the molecules on the surface of coal dust and are easierto carry out absorption than water molecules, thereby improving the dust seizing efficiency of water, ensuring the dust-laying rate of the dust-laying agent to exceed 90% and saving the water consumption for dust laying.

The invention provides a wet-mixed mortar modifier. Every 1,000 parts of the wet-mixed mortar modifier comprises 15-20 parts of sodium tripolyphosphate, 1-2 parts of sodium hexametaphosphate, 4-5 parts of phosphonobutane tricarboxylic acid, 32-44 parts of glucose, 24-33 parts of citric acid, 50-80 parts of zeolite powder, 80-100 parts of silica fume, 200 parts of heavy calcium carbonate, 10-15 parts of starch ether, 20-40 parts of hydroxyethyl methyl cellulose ether, 1-2 parts of sodium dodecyl sulfate, 28-50 parts of a polycarboxylate superplasticizer, 20-25 parts of a polycarboxylate slump retaining agent, 40-80 parts of a naphthalene-based superplasticizer, 20-25 parts of redispersible latex powder, 8-10 parts of beta-cyclodextrin and the balance of fly ash. The plasticity-maintaining time of the wet-mixed mortar modifier is prolonged to 36 h, the later strength and bondability of the wet-mixed mortar are improved simultaneously, the mortar durability is improved, the problems of high probability of hollowing, cracking, leaking and the like of plastering mortar are solved, and the wet-mixed mortar modifier has low energy consumption and is free of chemical and radioactive contamination.

The invention discloses a compound type vegetable oil lubricating agent for a drilling fluid and a preparation method thereof. The compound type vegetable oil lubricating agent for the drilling fluid with favorable oiliness, no toxicity, low fluorescent level and favorable bearing and thermostabilized performance is prepared by taking a vegetable oil leftover which is low in price and easy to obtain, lauryl sodium sulfate, sbane 80, sodium carboxymethylcellulose, polyvinylpyrrolidone and the like as main raw materials, adding a solid lubricating agent which is graphite or serpentine and usinga simple and environment-friendly production method, so that not only the production cost is greatly reduced, but also any toxic and harmful action on the environment is not generated in the production process. The compound type vegetable oil lubricating agent for the drilling fluid is not only applied to drilling, but also can be applied to producing wells, can effectively inhibit the hydrous expansion of mud shale, consolidate the well wall and prevent the sticking accidents and is especially suitable for industrial production on a large scale.

The invention relates to the field of nanometer materials, and particularly relates to nano-silver-containing adhesive and a using method of the adhesive in technical wood. The nano-silver-containing adhesive is characterized in that nano-silver is uniformly applied to an environmentally friendly glue solution, and flour is used as an additive of glue. A preparation method of the nano-silver comprises the following steps: adding a sodium dodecyl sulfate solution and a hydrazine hydrate solution to a silver nitrate solution so as to obtain mixed liquid, and adding crown ether and an alkali metal-containing reducing agent to the mixed liquid, wherein the molar ratio of the crown ether to the silver nitrate is (1-2): 1, the molar ratio of the alkali metal-containing reducing agent to the silver nitrate is (0.5-1): 1; and controlling a pH value to 8-9, thus obtaining the nano-silver. The using method of the adhesive comprises the following steps: bonding decorative veneer and a base material through the nano-silver-containing adhesive, then feeding into a vacuum tank, and vacuumizing; then carrying out pressurizing treatment; carrying out microwave treatment; and finally taking out, and carrying out cold pressing and hot pressing. The nano-silver-containing adhesive provided by the invention has good stability, dispersity and adhesiveness.

The invention provides a simple method for directly extracting microorganism macrogenome from an oil / gas pool environment sample, which comprises the following steps: an organic phase / water phase is extracted to obtain an microbe component in an oil sample / oil-water sample, vacuum filtering is carried out on the water phase enrichment microbes, cells are cracked by lysozyme, protease, sodium dodecyl sulfate (SDS) and the like, passes through the cetyl trimethyl ammonium bromide (CTAB) under high salt condition to remove organic macro-molecule components like protein and polysaccharide, extraction is carried out through nucleic acid and deposition is carried out, thereby the unbiased oil / gas pool microorganism macrogenome component can be obtained. The method of the invention has the advantages that the process is fast and simple, the cost is low, the whole extraction process can be completed in 10 hours; the obtained genome enables high purity, the ratio of OD260nm to OD280nm is between 1.7 and 2.0, the electrophoresis result detects that the integral genome possesses no degradation condition. The method of the invention aims at the oil / gas pool complex environments, and is suitable for extraction of other microbe genome in the soil and water body polluted by petroleum.

The invention relates to a method for preparing a high-solid-content graphene oxide grafted polyacrylate composite emulsion by using an in-situ method. The method comprises the following steps: carrying out ultrasonic treatment on mixed graphene oxide, sulfoxide chloride and N,N-dimethyl formamide; refluxing, raising temperature, carrying out heat preservation and cooling; adding N,N-dimethyl formamide to perform rotary evaporation; adding triethylamine and hydroxyethyl acrylate, and dissolving black powder which is obtained by suction filtration and washing into distilled water; adding sodium lauryl sulfate to carry out ultrasonic treatment, thereby obtaining double-bonded graphene oxide; mixing the double-bonded graphene oxide with sodium lauryl sulfate and distilled water to perform ultrasonic treatment; raising temperature and adding ammonium persulfate and distilled water; and dropwise adding acrylic acid, methyl methacrylate, butyl acrylate and an initiator solution, carrying out heat preservation and discharging. By introducing the double-bonded graphene oxide into the preparation process of the polyacrylate emulsion, the obtained composite emulsion is high in solid content, high in film breaking strength, basically invariable in elongation at break, and high in water absorption rate.

The invention provides a purpose of modified hydrotalcite based on dodecyl benzene sulfonate and lauryl sulfate, and particularly relates to an adsorbing agent used for adsorbing 2, 4, 6-trichlorophenol in a wastewater solution. According to modified hydrotalcite, with sodium dodecyl benzene sulfonate (SDBS) and sodium dodecyl sulfate (SDS) as a modifying agent, modified Zn2Al-LDHs is prepared and obtained by a co-precipitation method, the adsorbing agent has larger laminated plate spacing compared with the adsorbing agent before modification, and the hydrophilic surface becomes hydrophobic after modified. The adsorbing agent adsorbs 2, 4, 6-trichlorophenol and reaches adsorbing balance after 2-3 hours under the conditions that the pH value is 3-5 and the temperature is 25-35 DEG C; the adsorbing capacity reaches 100-160mg / g, and the adsorption rate reaches 70-83%. The adsorbing agent is applicable to 30-300mg / L wastewater solution containing 2, 4, 6-trichlorophenol and has the characteristics that the price is low, the adsorbing capacity is large and the adsorbing process is simple and convenient and is easy to operate and the like.

The invention discloses SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis) coomassie brilliant blue R250 fast staining solution, which includes from 20 to 40% of ethanol by volume percentage, from 5 to 10% of carbinol by volume percentage, from 0.5 to 1.25g / L of CBB (coomassie brilliant blue) R250 by mass concentration, from 2.5 to 5% of phosphoric acid by volume percentage and from 100 to 200g / L of ammonium sulfate by mass concentration. A fixing step and a sensitization step before staining are omitted, protein staining time can be shortened, and the possibility that protein samples are polluted is greatly reduced. The invention further discloses a method for staining SDS-PAGE gel by the aid of the staining solution and application of the staining solution in a protein two-dimensional gel electrophoresis and protein western blot qualitative diagnosis and / or quantification process.

The invention relates to an environmentally-friendly multifunctional cleanser formula, and belongs to the field of producing daily products. The environmentally-friendly multifunctional cleanser formula comprises the following components in parts by weight: 15-20 parts of citrus plant essential oil, 20-30 parts of sodium dodecyl sulfate, 5-8 parts of alkyl polyglycoside, 1.2-1.8 parts of natural glucoside surfactant, 1.2-1.8 parts of propylene glycol, 1.2-1.8 parts of citric acid, 1.2-1.8 parts of sodium citrate, 10-15 parts of ethanol, and 20-25 parts of deionized water. The cleanser formula is wide in application range, strong in cleansing power, non-toxic and pollution-free, and capable of meeting the development trend of the market.