59 results about "Fuchsin acid" patented technology

The invention provides a coloring agent composition for textiles and a production method of the coloring agent composition and relates to the technical field of dyeing of the textiles, in particular to the coloring agent composition for the textiles and the production method of the coloring agent composition. The coloring agent composition is prepared by combining various dyeing raw materials, an additive, a levelling agent and a penetrating agent, wherein the dyeing raw materials are formed by blending acid violet, acid leather red and an acid fuchsin according to equal amount; the levelling agent comprises the following components in percentage by weight: 10-15 percent of methylenebis naphthalenesulfonate, 15-20 percent of lignosulfonate, 2-5 percent of carboxymethyl cellulose, 2-5 percent of urea and the balance water. The coloring agent composition and the production method thereof have the advantages of favorable dying effect and firmness for dyeing of purified cotton, blend fabric and polyester-cotton fabric, simple production process, low cost and improved work efficiency.

The invention relates to a bacterial capsule staining method, comprising the steps: 1) dropping a droplet of sterile water on a glass slide; 2) bacteria culturing for 24 to 48 hours, selecting the bacteria with a transfering loop, and slowly coating the glass slide in water moisture state spirally from the center to the outside to keep the capsule complete; 3) natural drying or blow drying with electric wind; 4) dropping 2-3 droplets of pure methanol, fixing for 1-2 minutes, and inclining to remove the methanol; 5) dropping carbolic acid fuchsin to stain for 1-3 minutes, and covering a cover glass; and 6) absorbing the liquid surrounding the cover glass with a piece of absorbent paper, inclining the slide glass to absorb partial staining liquid under the cover glass. By improvement on the slide making method, the staining method and the operation steps, the completeness of bacterial capsule is effectively kept, the growing state of all the bacterial capsule in the specimen can be clearly displayed, the operation difficulty of capsule staining is obviously reduced, and the reliability of bacterial capsule recognition is improved.

The invention provides nitrogen-sulfur co-doped carbon quantum dots as well as a preparation method and an application thereof.The preparation method comprises the following steps of:1) placing acid fuchsin and citric acid into a polytetrafluoroethylene hydrothermal reaction kettle liner, adding deionized water solution, and fully stirring;2) placing the liner filled with raw materials into a reaction kettle, and then placing the liner into an oven to heat to 175-185 DEG C to react for 8-12 hours to obtain orange-yellow liquid; 3) taking out the liner after the reaction kettle is naturally cooled to room temperature, pouring solution into a 500-1000Da dialysis bag to dialyze to obtain pure aqueous solution of carbon quantum dots, and freeze-drying to obtain the target carbon quantum dots.The preparation steps of the carbon quantum dots are simple, only one-step synthesis is needed, and the treatment of a surface passivator is not needed.The prepared carbon quantum dots can be used fordetecting ClO-ion, and also can be applied to cell fluorescence imaging.

The invention discloses a method for detecting form and metabolic activity of filamentous fungi. The method comprises the following steps: (1) inoculating filamentous fungi and carrying out fermenting culture; (2) taking 100-150muL of fermentation liquor when culturing to 48-72 hours, filtering by using a mesh sieve of 300-400 meshes and rinsing to remove interference of colored impurities in the fermentation liquor; (3) putting filtered hypha into a small centrifuge tube, adding normal saline to dilute into 1-2mL, and sucking up 100-150muL of solution to evenly coat on a glass slide; (4) dropwise adding 200-250muL of improved methylene blue staining fluid and staining for 10-15 minutes; (5) dropwise adding 100-150muL of improved carbolic acid fuchsin staining fluid and staining for 5-8 minutes; (6) rinsing the slide by distilled water, and observing by a cover plate. Observation of morphology is more convenient by staining means; meanwhile, the activity difference of thalli growing in different areas at one stage can be obviously distinguished, and the physiological metabolic activity is broadly understood.

The invention belongs to the technical field of biological specimen manufacturing and in particular relates to a coccid slide specimen manufacturing method which comprises the following steps: collecting live coccid, carrying out low-temperature treating, and soaking into a 5-8% NaOH solution to carry out softening treatment; flushing, dyeing with an acid fuchsin solution, soaking with 50%, 70% and 100% alcohol solutions in sequence, finally soaking in clove oil, and drying specimens. The method provided by the invention is simple, convenient and safe, and a coccid slide specimen is clear, complete, uniform in coloring and high in quality.

The invention discloses an amphoteric adsorbent prepared from grain stillage, a preparation method for the amphoteric adsorbent and an application of the amphoteric adsorbent and belongs to the fields of brewage waste resource utilization and environmental protection. The amphoteric adsorbent is prepared through taking the grain stillage as a base material, firstly, carrying out pretreatment by using alkali, carrying out a reaction by using an anion modifier, taking an inorganic salt as a converter, and carrying out a reaction by using a cation modifier. The entire process is simple in operation and low in reaction energy consumption, and the raw materials are wide in source and are economical and readily available. The amphoteric adsorbent prepared by the preparation method has good adsorption performance and has the characteristics of low cost, cyclic utilization and no environmental pollution. The amphoteric adsorbent has the adsorption removal rate of 88% to 99.99% to one of cationic dyes such as methylene blue, basic fuchsin, crystal violet, cationic red, malachite green and neutral red and any of anionic dyes such as acid black 1, acid fuchsin, methyl orange, congo red, acid red 18 and acid orange 7 in wastewater, and the adsorption capacity to each of the cationic and anionic dyes is 1mg/g to 500mg/g.

The invention provides acid fuchsin writing liquid decolorizer, comprising the following components by weight percent: 45-54% of gypsum, 15-18% of sodium stearate, 25-30% of magnesium sulfite, 0.5-1.5% of p-hydroxyanisole, 0.5-1.5% of pH modulator and 2-5% of metal ion removing complexing agent. The decolorizer of the invention is mainly used for wiping handwriting of teaching writing liquid, has good stability and no pollution, can rapidly discolor the handwriting of acid fuchsin writing liquid, and writing can be carried out again after discoloring without spreading handwriting. When in use, the writing liquid decolorizer is placed in tap water solution for half an hour, after that, can be used by dipping with an eraser. The writing liquid decolorizer also can be used for decoloring methyl blue writing liquid.

The invention discloses a subphthalocyanine/titanium dioxide nano photocatalyst and a preparation method and application thereof. The nano photocatalyst is synthesized by taking titanium dioxide as abody, adding little subphthalocyanine as a photosensitizer and utilizing a chemical modification method, and is used for improving photocatalytic performance of TiO2 under visible light. The preparation method includes: preparing titanium dioxide through a sol-gel method; preparing subphthalocyanine and the subphthalocyanine/titanium dioxide nano photocatalyst through a solvothermal method. The nano photocatalyst organically combines subphthalocyanine with titanium dioxide, visible light response range of a titanium dioxide catalyst is expanded, the titanium dioxide photocatalyst after being modified has good degradation effect on water solutions of acidic and alkaline organic dye under the visible light with wavelength greater than 400 nm, and degradation rates for acid fuchsin and bromophenol blue can reach 97% and 99% respectively. The nano photocatalyst has the advantages that the preparation method is simple, needed raw materials are few, and the photocatalyst is free of pollution, recyclable, low in cost and suitable for industrial production.

The invention discloses a cationic adsorbent prepared from grain stillage, a preparation method for the cationic adsorbent and an application of the cationic adsorbent and belongs to the fields of brewage waste resource utilization and environmental protection. The cationic adsorbent is prepared through taking the grain stillage as a base material, firstly, carrying out pretreatment by using alkali, and then, carrying out a reaction by using modifiers. The entire process is simple in operation and low in reaction energy consumption; and the raw materials for the method disclosed by the invention are wide in source and are economical and readily available. The cationic adsorbent prepared from the grain stillage, prepared by the method, has good adsorption performance; and compared with unmodified grain stillage, the cationic adsorbent has obviously improved adsorption capacity and adsorption rate to a congo-red solution under equivalent conditions. The cationic adsorbent has the characteristics of low cost, cyclic utilization and no environmental pollution. The cationic adsorbent prepared by the method has the adsorption removal rate of about 88% to 99.99% to one or more of dyes such as acid black 1, acid fuchsin, methyl orange, congo red, acid red 18 and acid orange 7 in wastewater, and the adsorption capacity to one or more of the dyes is about 1mg/g to 500mg/g.

The invention provides a fadable coloured chalk for a white board and a preparation method thereof. The coloured chalk comprises the following raw materials in part by mass: 40-45 parts of emulsifying wax, 20-25 parts of stearic acid, 14-18 parts of talcum powder, 6-10 parts of polyethylene glycol, 1-2 parts of sodium polyacrylate, 2-4 parts of colour former, 5-6 parts of glycerol and 0.6-0.8 part of white carbon black, wherein the colour former is one or more of methyl blue, acid fuchsin and No. 3 acid green. According to the invention, the preparation method for the coloured chalk is simple, the prepared coloured chalk can write on the white board smoothly, the writing is legible and the coloured chalk can fade by erasion of an erasing agent without any trace, and the coloured chalk has no stimulation effect on skin and is environment-friendly.

The invention discloses a natural weak-acidic dye which is composed of, by weight, 14-16 parts of methylene blue, 23-26 parts of acid fuchsin, 31-33 parts of Congo red, 10-16 parts of sodium citrate,13-18 parts of ferric ion, 2-5 parts of alginic acid, 10-12 parts of bean sprout powder, 17-20 parts of fish meal, 11-18 parts of seed liquid, 21-24 parts of kudzu powder, and 9-10 parts of houttuyniacordata. The natural weak-acidic dye is natural and odor-free, can quickly coloring an object and is not liable to discolor.

The invention discloses a modified sepiolite adsorbent, a preparation method and application thereof. The preparation method comprises the following steps: performing high-temperature treatment on sepiolite powder in a selected atmosphere to obtain a modified sepiolite adsorbent, wherein the temperature of the high-temperature treatment is 700-900 DEG C, the time of the high-temperature treatmentis 10-11 hours, and the gas for forming the selected atmosphere comprises any one or a combination of more than two of nitrogen, hydrogen and air. The modified sepiolite adsorbent for rapidly purifying dye wastewater is high in adsorption efficiency, large in adsorption capacity and high in dye removal rate, and has a good adsorption effect on crystal violet and acid fuchsin, wherein the removal rates are respectively 99.92% and 99.23%, and the maximum adsorption capacities are respectively 299.75 mg/g and 1984.70 mg/g; and the preparation process is simple, the cost is low, and the potentialapplication value is provided in environmental treatment, especially in dye wastewater treatment.

The invention discloses an adsorbent, a preparation method and application thereof. The preparation method includes: mixing carboxymethyl cellulose, gelatin and a pyrrole monomer in a mass ratio of 0.2:4:0.136-1.358, then adding chromic acid for in-situ polymerization reaction, thus obtaining the adsorbent. The prepared adsorbent can be used for adsorption of acid fuchsin. The adsorbent has a unique adsorption effect on acid fuchsin, can achieve an adsorption capacity up to 90% or more, and can be recycled repeatedly with almost unchanged removal efficiency. The adsorbent has good stability; the used raw materials are all cheap and renewable biological matrix materials, the reaction conditions are mild, no additional condition is needed to promote product synthesis, the adsorbent is easy to prepare, and the production cycle is short. And the preparation raw materials are all safe and non-toxic biological matrix materials, are easily degradable, and are free of secondary pollution.

The invention discloses a natural weak-alkaline dye, which is composed of, by weight, 23-26 parts of acid fuchsin, 14-16 parts of methyl blue, 23-26 parts of fast green, 10-16 parts of sodium citrate,13-18 parts of ferric ion, 2-5 parts of alginic acid, 10-12 parts of bean sprout powder, 17-20 parts of fish meal, 11-18 parts of seed liquid, 21-24 parts of kudzu powder, and 9-10 parts of houttuynia cordata. The natural weak-alkaline dye is natural and odor-free, can quickly coloring an object and is not liable to discolor.

The invention discloses a manufacturing method of a permanent microscopic slide specimen for tiny insects. The manufacturing method comprises the steps of fixing, decolorizing, dehydrating, color fixing, drying and sealing. The manufacturing method has the beneficial effects that firstly, compared with an existing specimen manufacturing method, the manufacturing method of the slide specimen is simple in step, the used materials cannot cause environmental pollution, the dyeing effect is good, and the complexity of the specimen manufacturing process and the harm to a human body can be reduced; secondly, according to the manufacturing method of the slide specimen, specimen drying is achieved through a constant-temperature vacuum chamber, sufficient evaporation of a solution in the specimen is facilitated, and the problems that internal bubbles appear due to existing natural air drying and the surface of the specimen is turbid are solved; finally, according to the manufacturing method of the slide specimen, insect bodies are dyed through an acid fuchsin alcohol solution, the body structures of the insect bodies can be more obviously shown, and shrinkage and deformation of the insect body structures cannot be caused through layer-by-layer dehydration of alcohol with different concentrations.

The invention discloses a low-alcohol dye, which is prepared from the following ingredients in parts by weight: 14-16 parts of basic fuchsin, 23-26 parts of acid fuchsin, 31-33 parts of Congo red, 10-16 parts of sodium citrate, 13-18 parts of ferric ion, 2-5 parts of alginic acid, 10-12 parts of bean sprout powder, 17-20 parts of fish meal, 11-18 parts of seed solution, 21-24 parts of arrowroot flour and 9-10 parts of herba houttuyniae. The low-alcohol dye has the advantages that the low-alcohol dye of the technical scheme is natural, free from peculiar smell, quick in coloring and unlikely to fade.

The present invention relates to the technical field of textile dyeing, particularly to a textile yarn dyeing process. The dyeing process is characterized in that: a dyeing formula is composed of acidic heliotrope 4BNS. 3BR60, FBL, acidic bright yellow G. 20, weak acid yellow 20, 3cs, sulforhodamine B, acid fuchsin 6B, acid red XB, weak acid brilliant red B, and 10: E. 3B-E; and an additive formula is composed of acetic acid, sulfuric acid, a leveling agent, and a penetrating agent. The dyeing process includes adding the additive after running for five minutes at the water temperature of 40 DEG C during the heating process; adding the dye after running for another five minutes, raising the temperature after running for 10 minutes, raising the temperature to 100 DEG C within 60 min, keeping the temperature for 45-60 minutes, and cleaning and taking out of vats after dyeing. The beneficial effects of the dyeing process are that dyeing is solid, color is bright, the yarn has the characteristic of changing color under different light sources, and the color changing is not impacted by washing.

The invention provides discolored black ink and a preparation method thereof. The black ink comprises, by weight, 0.8-0.85% of a red dye, 2.5-3.0% of a green dye, 3.0-3.5% of a thickener, 1.0-1.5% of a surfactant, 0.15-0.20% of a preservative and the balance of distilled water. The red dye is acid fuchsin or basic fuchsin. The green dye is an acidic green dye, a basic green dye or a brilliant green dye. The preparation method is simple, utilizes raw materials having wide sources and realizes a low cost. The black ink is non-toxic, has no pungent smell and can fade when contacting with a reductive material. The paper with the ink can be recycled.

The invention discloses a novel neutral dye, which is composed of the following components in parts by weight: 14-16 parts of methylene blue, 31-33 parts of gentian violet, and 23-26 parts of acid fuchsin. 31-33 parts of Congo red, 13-18 parts of iron ion, 2-5 parts of alginic acid, 10-12 parts of bean sprouts powder, 17-20 parts of fish meal, 11-18 parts of seed liquid, 21-24 parts of arrowroot powder and fish 9-10 parts of Xingxue. The invention has the advantages that: the novel neutral dye of the technical proposal is naturally odorless, fast in coloring and not easy to fade.

The invention discloses a novel low-alcohol dye. The novel low-alcohol dye consists of the following components in parts by weight: 14-16 parts of basic fuchsin, 23-26 parts of safranin, and 23-26 parts of acid fuchsin. 31-33 parts of Congo red, 13-18 parts of iron ion, 2-5 parts of alginic acid, 10-12 parts of bean sprouts powder, 17-20 parts of fish meal, 11-18 parts of seed liquid, 21-24 parts of arrowroot powder and fish 9-10 parts of Xingxue. The invention has the advantages that: the novel low-alcohol dye of the technical proposal is naturally odorless, fast in coloring and not easy to fade.

The invention discloses a natural alkaline dye which consists of the following components in part by weight: 23-26 parts of acid fuchsin, 14-16 parts of methylene blue, 23-26 parts of methyl green, 10-16 parts of sodium citrate, 13-18 parts of iron ions, 2-5 parts of alginic acid, 10-12 parts of bean sprout powder, 17-20 parts of fish meal, 11-18 parts of seed solution, 21-24 parts of arrowroot powder and 9-10 parts of herba houttuyniae. The natural alkaline dye disclosed by the invention has the advantages that the natural alkaline dye in the technical scheme is natural, odor-free, fast to dye and hard to fade.