46 results about "Iodine solutions" patented technology

The utility model discloses a tetrachlorophthalic anhydride production chlorination kettle iodine adding device, which comprises an upper iodine adding valve, a lower iodine adding valve and an iodine solution transfer tank, the iodine solution transfer tank is arranged between the upper iodine adding valve and the lower iodine adding valve, the outer side of the iodine solution transfer tank is communicated with two communicating pipes, one ends of the two communicating pipes far away from the iodine solution transfer tank are communicated with a communicating box, and the communicating box is communicated with the upper iodine adding valve and the lower iodine adding valve. The end, away from the communicating pipe, of the communicating box communicates with a pressure-regulating external pipe. The effective volume between the upper iodine adding valve and the lower iodine adding valve can be increased through the arranged iodine solution transfer tank, and the pressure difference among the upper iodine adding valve, the iodine solution transfer tank and the lower iodine adding valve is adjusted in a matched manner, so that two kilograms of iodine can be added at one time, the upper iodine adding valve and the lower iodine adding valve do not need to be repeatedly opened and closed, the operation becomes simple, the labor intensity is reduced, and the production efficiency is improved. And the iodine is added in a pressure difference manner, so that the unorganized emission of harmful gas in the kettle is avoided, the risk that the iodine is suddenly flushed out is greatly reduced, and the personal safety is guaranteed.

The invention discloses a system and a method for generating power by utilizing sulfur dioxide in boiler flue gas. The system comprises a boiler induced draft fan rear flue, a sulfur dioxide absorption module and a flue gas emission module, the method comprises the following steps: flue gas discharged from a rear flue of a boiler induced draft fan enters a first inlet of a sulfur dioxide absorption module, an iodine solution of the sulfur dioxide absorption module is sprayed out from an atomizing nozzle from top to bottom and the flue gas from bottom to top, and a filler layer is arranged between the atomizing nozzle and the flue gas inlet to increase the contact between the flue gas and the iodine solution; iodine, sulfur dioxide and water react to generate a hydrogen iodide solution and a sulfuric acid solution, and flue gas with absorbed sulfur dioxide is discharged into the flue gas discharge module from a first outlet of the sulfur dioxide absorption module. Through the closed-loop process of iodine solution absorption-hydrogen iodide decomposition-hydrogen fuel cell power generation, the limitation that only pollutant removal is concerned in the traditional desulfurization technology is broken through.

This invention discloses an integrated device and method for mercury vapor recovery and waste gas purification in amalgam brazing, belonging to the field of electronic packaging brazing and hazardous gas treatment. The device comprises a brazing sealing enclosure, a condensation unit, an iodine solution absorption unit, a sulfur absorption unit, a zinc powder absorption unit, and a safety monitoring module, connected in series. During brazing, mercury-containing waste gas is collected by the enclosure and first enters the condensation unit for pre-cooling and recovery of liquid mercury; then it enters the iodine solution absorption unit, where it reacts with iodine to generate mercuric iodide precipitate and capture silver dust; next, the residual mercury is fixed as mercuric sulfide by the sulfur absorption unit; finally, trace mercury is adsorbed by the zinc powder absorption unit. The purified waste gas is monitored in real time by a mercury concentration sensor; if the concentration exceeds the standard, an alarm is triggered and the heating platform is automatically shut down. This invention achieves a mercury removal rate of over 99.5% through four-stage synergistic purification, with emission concentrations lower than the national standard of 0.01 mg / m³. 3 It has advantages such as high purification efficiency, safety and reliability, good material compatibility, and convenient maintenance.

The invention discloses an iodinating and drying system which comprises a barrel, an iodinating mechanism, a drying mechanism and a lifting mechanism, a cavity is formed in the barrel, and a feeding end communicated with the cavity is arranged at the top of the barrel; the iodine adding mechanism comprises a spraying part, the spraying part is installed on the barrel and located at the inner top of the cavity, the spraying part can spray iodine liquid into the cavity, the drying mechanism communicates with the cavity and can convey hot air flow into the cavity, and the lifting mechanism is connected with the bottom of the barrel and penetrates through the cavity; the lifting mechanism can lift the salt at the inner bottom of the cavity to the inner top of the cavity and discharge the salt into the cavity, and the lifting mechanism can also discharge the salt in the cavity to the outside of the barrel. The problems that in the prior art, iodine liquid and salt are not mixed uniformly, and the drying efficiency of water in the iodine liquid is low are solved.

The utility model provides a carbon black iodine absorption value measuring device which comprises a rotating wheel disc, a magnetic stirrer, a transmission filtering device and a reaction tank, a plurality of sample cups can be placed on the rotating wheel disc, after a mixed liquid sample is stirred by the magnetic stirrer, an iodine solution and a sodium thiosulfate solution are extracted by a plunger pump, and the iodine absorption value of the carbon black is measured. In the extraction process, carbon black in the iodine solution is filtered through the filter pipe, filtrate is added into the reaction tank and chemically reacts with the sodium thiosulfate, and the iodine ion electrode in the reaction tank can judge the end point of the reaction by detecting the electron exchange capacity of the iodine solution and the sodium thiosulfate in the reaction tank when the iodine solution and the sodium thiosulfate are subjected to oxidation-reduction reaction. And meanwhile, the measured current data is transmitted to a microcomputer for automatic processing, so that accurate carbon black iodine absorption value data is obtained. The problems that manual operation is low in efficiency and the precision is greatly influenced by human factors are solved, and the advantages of high efficiency and high precision are achieved.

The application discloses an improved iodine oxidation-dimethylglyoxime spectrophotometry for detecting the content of nickel in steel, which comprises the following steps: obtaining an acidolysis solution by acidolysis of the steel to be detected; then diluting the solution to obtain a mother liquor to be detected; mixing the mother liquor to be detected with an ammonium citrate solution, water, an iodine solution, ammonia water and a dimethylglyoxime solution to obtain a chromogenic solution to be detected; and placing the chromogenic solution to be detected below a critical temperature to perform spectrophotometry to obtain the content of nickel in the steel to be detected. The application controls the adding amount of the ammonium citrate and the dimethylglyoxime in the chromogenic solution to be detected and the chromogenic temperature, so that the stable time of the absorbance of the chromogenic solution to be detected is greater than or equal to 60 minutes, the detection of the content of copper in the steel to be detected is less than or equal to 0.2%, and the probability of the result of the detection of the content of nickel in the steel to be detected (0.10%-50%) exceeding the allowable error of a navigation mark is less than or equal to 5%.

The invention discloses a method for testing the iodine absorption value of regenerated cracked carbon black, and belongs to the technical field of analysis and detection. Aiming at the problems of inaccuracy and instability of test data, floating of carbon black and the like when the existing national standard method is directly used for cracking the carbon black, the invention finds that the root cause of the method is that zinc sulfide widely existing in the cracked carbon black is subjected to redox reaction with an iodine solution, and floating is caused by surface organic matters. The method comprises the following steps: firstly, carrying out sample pretreatment on cracked carbon black, namely infiltrating and oscillating by using an alcohol solvent, then adding an acid solution, oscillating and pickling to remove ZnS, and then filtering, washing and drying. And measuring the iodine absorption value of the treated sample according to the standard iodine adsorption titration step. According to the method, a main interference source is eliminated through chemical pretreatment, so that a measurement result can truly and stably reflect the specific surface area characteristic of the cracked carbon black, the correlation with NSA / STSA is remarkably improved, meanwhile, the operation problem of carbon black floating is solved, and the method has the advantages of high accuracy, good reproducibility and large operation tolerance.

The utility model discloses a portable activated carbon iodine value detection device, which belongs to the technical field of detection instruments and comprises an iodine solution container, a smashing and stirring container is in threaded connection with the lower portion of the iodine solution container, a titration container is in threaded connection with the lower portion of the smashing and stirring container, and a handle is fixedly connected with the upper portion of the iodine solution container. The iodine solution container, the crushing and stirring container and the titration container are connected together through threads, so that the device integrates multiple functions, the detection process is simplified, the miniaturization of detection equipment is realized, the detection device has portability, detection personnel can conveniently carry out field detection, a sample does not need to be taken back to a laboratory for detection, and the detection efficiency is improved. The detection time is shortened, the iodine solution switch capable of controlling the outflow dosage of the solution and the baffle are arranged in the iodine solution container, accurate control over the adding amount of the iodine solution is achieved, compared with traditional adding through a dropper, operation is more convenient and faster, and meanwhile waste of the iodine solution is avoided.

The invention provides an iodine-carbon composite material and a preparation method thereof, and relates to the technical field of composite material preparation, the preparation method of the iodine-carbon composite material comprises the following steps: taking conidium powder to prepare fixed conidium powder, adding the fixed conidium powder into sulfuric acid for reaction, then washing, neutralizing, and freeze-drying to obtain pretreated conidium powder; the pretreated conidium powder is firstly heated and then carbonized to prepare carbonized porous conidium powder, an iodine solution is prepared, the carbonized porous conidium powder is added into the iodine solution and stirred to be uniform, then deionized water is added, and the iodine-carbon composite material is obtained through filtering and drying. The iodine-carbon composite material can inhibit generation of dead lithium and activate existing dead lithium.

A rapid evaluation method for the stability of a povidone-iodine solution relates to the technical field of detection methods, and comprises the following steps: S1, selecting a plurality of test attenuation rates of a povidone-iodine solution sample; s2, screening out samples with the attenuation rate equal to 8%, and calculating a chromatic aberration average value S1 of the samples; s3, the filter paper is placed on the clean glass surface, and the chromatic aberration average value S0 of the filter paper is calculated; s4, calculating a detection threshold value according to a formula delta1 = S1-S0 =-3; s5, calculating the average value S 'of the povidone-iodine product of which the stability is to be evaluated; S6, putting filter paper on a clean glass surface and calculating the average value S' 0 of the filter paper; s7, calculating the relative blank color difference value delta '= S'-S '0 of the sample to be detected; if delta 'is greater than-3, judging that the product is qualified; and-3, judging that the product is unqualified; and S8, judging the effectiveness of the detection in the steps S5-S7. According to the method, the stability of the povidone-iodine solution which is actually detected can be evaluated in a short time, the test period is shortened, the detection efficiency is improved, the detected data is verified through the prior art, and data support is provided for actual application.

The invention relates to the technical field of chemical detection data processing, in particular to an intelligent calculation method and system for an iodine adsorption value of wooden activated carbon based on a WeChat applet, and is particularly suitable for realizing rapid and accurate calculation according to the national standard GB / T 12496.8-2015 Measurement of Iodine Adsorption Value of Wooden Activated Carbon Test Method. The invention provides a WeChat applet solution for solving the problems that traditional manual calculation is low in efficiency and large in error, and an existing tool lacks national standard compliance verification and WeChat ecological integration. 1, a user clicks an applet to display a home page of a figure 1; 2, the user sequentially inputs c1: standard iodine solution concentration, c2: sodium thiosulfate solution concentration, V2: consumed sodium thiosulfate solution volume; 3, clicks to start calculation to display an iodine adsorption value A; and checking and recording a calculation result (A, mg / g). Therefore, the feeling of using the applet for the first time is that the headache, error-prone and tedious intermediate calculation steps are all hidden behind the applet, and the accurate result can be presented by only providing source data and clicking a button. Therefore, real convenience is brought by a digital tool. Quickly going to a trial bar and believing you to be amazing "what may be simple"! According to the method, through deep adaptation of WeChat ecological integration and the national standard, compliance of the whole calculation process is achieved, the calculation efficiency is improved by 80% or above, the error rate is reduced to 0.5% or below, and the method is suitable for rapid evaluation of the performance of the wooden activated carbon in the scenes of laboratories, enterprises and the like.

The utility model provides a kind of special roller mill for composite iodine solution refined iodine for aquatic products, including roller, and the inside of roller is rotationally provided with rotary plate by rotating column, and the left and right sides of rotary plate are rotationally provided with roll wheel respectively, and the upper end of rotary plate is provided with connecting frame plate, and the inside of connecting frame plate is slidably provided with sliding plate, and the left and right sides of sliding plate are provided with cleaning brush frame plate respectively, and the inside of two cleaning brush frame plates is slidably provided with multiple sliding columns, and one side surface cleaning brush plate is respectively arranged between two sliding columns adjacent to each other, and the upper end of connecting frame plate is provided with driving mechanism for driving cleaning brush frame plate to move. Through the special roller mill for composite iodine solution refined iodine for aquatic products, the iodine particles agglomerated on the roll wheel can be automatically cleaned without the intervention of operating personnel, and the discharging is carried out, which not only reduces the downtime, but also improves the crushing efficiency of solid iodine.

The invention relates to a useful method for detecting and / or quantifying any noble metal on the surface of an indium phosphide (InP) substrate, comprising at least the following steps: a) contacting the InP of said substrate with an iodine solution further comprising at least one non-iodine oxidizing agent other than hydrogen peroxide for dissolving said noble metal, if present, in said solution; b) recovering said solution having been carried out in a); c) where appropriate, repeating a) and b) with an iodine solution free of noble metal; and d) analyzing by inductively coupled plasma mass spectrometry the solution recovered in b), and where appropriate in c).

To provide a method for producing iodine that can reduce the concentration of iodine components in wastewater generated during the production of iodine. [Solution] The method for producing iodine of the present invention includes the steps of mixing a first solution with a first oxidant solution to obtain a second solution, reducing the iodine separated from the second solution to obtain a third solution, mixing a solution containing residues of the second solution with the second oxidant solution to obtain a fourth solution, reducing the iodine separated from the fourth solution to obtain a fifth solution, and mixing the third solution, the fifth solution, and an oxidant to obtain a solution containing iodine, and crystallizing and separating iodine from the iodine-containing solution to obtain iodine, wherein the concentration of the oxidant contained in the first oxidant solution relative to the total amount of the first solution and the first oxidant solution is 3.00 mmol / L or less, and the concentration of iodine ions contained in the first solution relative to the total amount of the first solution and the first oxidant solution is 4.80 mmol / L or less.

The invention relates to the technical field of colloidal quantum dot doping, in particular to an iodine-doped preparation method of PbS colloidal quantum dots, which comprises the following steps: preparing PbS CQDs by a thermal injection method, dispersing the PbS CQDs in an n-octane solution for later use after liquid phase exchange, weighing a certain amount of iodine (I) solid, adding a proper amount of ethanol solvent, treating under ultrasonic conditions until the iodine (I) solid is completely dissolved, and drying to obtain the PbS colloidal quantum dots. The iodine-doped PbS (I) CQDs thin film is prepared by the following steps: adding a PbS CQDs solution into a quartz substrate to obtain a uniform iodine solution, dripping the PbS CQDs solution on the quartz substrate, spin-coating to form a PbS CQDs thin film, immersing the obtained thin film into the iodine solution for 30 seconds, taking out the thin film, spin-drying the thin film on a spin coater, cleaning the surface with an ethanol solution, and repeating the operation twice to finally obtain the iodine-doped PbS (I) CQDs thin film. The doping technology is simple and effective, the doping concentration is adjustable, large-scale solution phase doping can be achieved, and the doping technology is expected to be applied to PbS quantum dot material and film doping and plays an important role in PbS quantum dot photoelectric devices and electronic devices.

The invention belongs to the technical field of iodide ion extraction, and particularly discloses a method for extracting iodide ions through photo-assisted electric control ion exchange based on an oxygen vacancy type BiOI material. The working electrode is prepared from an oxygen vacancy type BiOI material; and then building a light-assisted electric control ion exchange system by using the working electrode, and performing iodide ion extraction on the iodine-containing solution by using the light-assisted electric control ion exchange system. According to the preparation method disclosed by the invention, efficient separation of photo-induced electrons and holes can be realized, meanwhile, an iodide ion migration energy barrier is reduced, the comprehensive properties of electron conduction, ion transmission and photoelectrochemistry of the oxygen vacancy type BiOI material are remarkably improved, and extraction of low-concentration iodide ions can be realized. The extraction process does not need to add a chemical extraction agent, the whole process is low in energy consumption, environment-friendly and free of secondary pollution, and a new technical path is provided for recycling of low-concentration iodide ion resources.

Novel methods of preparing nano-starch or nano-starch / ester suspensions are disclosed in this application. The obtained nano-starch suspensions and nano-starch / ester suspensions showed unexpectedly high stabilities and can be iodinated using various iodine solutions to provide iodinated nano-starch suspensions and nano-starch / ester suspensions that have long-term stabilities and improved stabilities under basic conditions. New products can be prepared using the nano-starch suspensions, nano-starch / ester suspensions, iodinated nano-starch suspensions, and / or nano-starch / ester suspensions and used for applications as disclosed herein.

The application provides a high-temperature-resistant red-free polarizing plate and a preparation method thereof. The preparation method comprises the following steps: first, swelling a polyvinyl alcohol film; then, dyeing the swollen polyvinyl alcohol film in a mixed solution of iodine solution and boric acid; then, cross-linking the polyvinyl alcohol film in a boric acid solution; then, stretching the cross-linked polyvinyl alcohol film in a mixed solution of potassium iodide and boric acid, and then, supplementing color of the stretched polyvinyl alcohol film in an aqueous solution of potassium iodide and boric acid; then, drying the polyvinyl alcohol film after the color supplementing; then, adhering inner protective films to upper and lower layers of the dried polyvinyl alcohol film through UV glue; and finally, drying the polyvinyl alcohol film, thereby preparing the high-temperature-resistant red-free polarizing plate. The prepared polarizing plate has an absorbance at 700 nm (A700) higher than 1.7, and satisfies a high-temperature five-hundred-hour durability test. The polarizing plate does not emit red light and has better weather resistance. Moreover, the preparation method is simple, does not need to add new processes or new substances, and has low cost.

This invention discloses a multimodal cervical precancerous lesion region segmentation method based on the Swin Transformer. The invention proposes the MSS-Net neural network to overcome the shortcomings of existing methods, fully utilizing the feature extraction capabilities of the Swin Transformer to achieve multimodal fusion of acetic acid and iodine test images. First, HSIL+ regions in colposcopy images are collected and labeled. Then, a target inspection algorithm is used to extract the cervical region, removing noise from non-cervical regions. Next, the preprocessed acetic acid and iodine solution images are input into the Swin Transformer feature extraction network to obtain multi-level feature maps. After weighted fusion of the feature maps through a multimodal attention module, the data is input into a decoder module, where cascaded upsampling generates the final segmentation result. Finally, the MSS-Net neural network is trained using the Dice coefficient and cross-entropy loss function to obtain the trained model. This invention achieves relatively accurate segmentation of cervical precancerous lesion regions through multimodal data fusion and enhanced feature extraction capabilities.

The invention discloses preparation and stabilization methods of an INO3 solution and application of the INO3 solution. The preparation method comprises the following steps: dissolving silver nitrate in a first organic solvent to form a silver nitrate solution; dissolving an iodine elementary substance in a second organic solvent to form an iodine elementary substance solution; mixing the silver nitrate solution with an iodine simple substance solution, and carrying out a reaction according to a reaction equation AgNO3 + I2-AgI + INO3; and separating AgI precipitate generated by the reaction to obtain an INO3 solution. When a non-acetonitrile solvent is used, acetonitrile needs to be added as a stabilizer, so that the volume content of acetonitrile in the final solution is greater than or equal to 50%. The INO3 solution can be used as a bifunctional reagent for synchronous iodination and nitration reactions of aromatic compounds. The half-life period of the INO3 solution prepared by the method provided by the invention in an acetonitrile system under the dark condition of 25 DEG C reaches 48.5 days, the product stability is good, the INO3 solution has excellent activity on the bifunctionalization reaction of aromatic compounds such as phenol, and nitrophenol and iodo-phenol products can be generated at the same time.

The utility model discloses a cane sugar factory sulfur fumigation intensity detection device, including titration detection jar subassembly, the top of titration detection jar subassembly is provided with the sampling subassembly who is connected with low temperature sulfur combustion furnace, the front side of titration detection jar subassembly is provided with steam generation jar, the titration detection jar subassembly includes the detection jar, the iodine solution jar of fixed connection in the right side of detection jar and the metering peristaltic pump of fixed in the back of detection jar. The scheme can continuously deliver high temperature steam to the detection jar through the booster air pump, can preheat the jar body and disperse the residual gas before detection, utilizes the physical scouring and high temperature sterilization characteristics of steam after detection, quickly decomposes the sulfite crystallization, iodide precipitate and organic attached matter generated in the reaction, avoids the jar body abrasion or clean dead angle caused by traditional mechanical cleaning. And steam and jar inner wall directly contact and form steam film, prevent the reaction liquid drop from hanging wall solidification, steam forms vortex in the process of ascending, can strip the condensate on the top of jar and splash residual.

The invention discloses a method for recovering high-purity lead halide from a perovskite solar cell. The method comprises the following steps: firstly, carrying out hydroformylation on chloromethylated polystyrene resin, grafting with polyethyleneimine, and reacting with carbon disulfide to prepare selective adsorption resin; secondly, sequentially pretreating the perovskite cell with chlorobenzene to obtain a perovskite layer; immersing the perovskite layer in deionized water for ultrasonic treatment to obtain a mixed solution; adding the selective adsorption resin into the mixed solution, wherein the adsorbed liquid is an iodine-rich solution; carrying out gradient acid elution on the adsorbed resin, oxidizing through hydrogen peroxide to remove tin impurities, adjusting the pH step by step, precipitating, and dissolving to obtain a high-purity lead ion solution; finally, the pH value of the iodine-rich solution is adjusted, a high-purity lead ion solution is added for a precipitation reaction, and a high-purity lead halide product is obtained after washing and drying. The high-purity lead halide recovered by the method is high in purity and excellent in recovery efficiency.

Novel methods of preparing nano-starch or nano-starch / ester suspensions are disclosed in this application. The obtained nano-starch suspensions and nano-starch / ester suspensions showed unexpectedly high stabilities and can be iodinated using various iodine solutions to provide iodinated nano-starch suspensions and nano-starch / ester suspensions that have long-term stabilities and improved stabilities under basic conditions. New products can be prepared using the nano-starch suspensions, nano-starch / ester suspensions, iodinated nano-starch suspensions, and / or nano-starch / ester suspensions and used for applications as disclosed herein.

The invention discloses a preparation method of a Bi2O3-coated PES composite phase conversion film and application of the Bi2O3-coated PES composite phase conversion film in removal of < 131 > I in radioactive waste liquid, firstly, Bi (NO3) 3.5 H2O is subjected to a hydrothermal method to obtain a white powder product, then the white powder product is dispersed into an N, N-dimethylformamide solution, polyether sulfone is added into the solution, and stirring and dissolving are performed to form a colloidal solution; and carrying out wet film formation on the colloidal solution, and curing in a coagulating bath to obtain the Bi2O3-coated PES composite phase conversion film. The composite phase conversion film has high adsorption capacity, high flux permeability and strong anti-interference separation capacity to iodide ions, shows good iodide ion adsorption selectivity and wide pH adaptability, can complete adsorption and separation of iodide ions in one step even for a low-concentration iodine solution, is suitable for separation treatment under complex water quality conditions, and has wide application prospects. And the method has a wide prospect in continuous separation application of the low-concentration 131I nuclear medical wastewater.

The utility model discloses a multifunctional medical cotton swab, and relates to the technical field of cotton swabs. The multifunctional medical cotton swab comprises a swab body and a cotton ball, one end of the swab body is a cotton fixing part, the other end of the swab body is a functional part, a groove is prefabricated in the cotton fixing part, the cotton ball is installed on the cotton fixing part in a limited mode, the swab body is of a hollow structure, one end of the cotton fixing part is isolated through a partition block to form a liquid storage cavity, and at least one connecting groove is formed in the functional part. The multifunctional medical cotton swab has more functions, can absorb medicine through the cotton ball to smear the medicine on a wound, can also clean impurities at the corresponding positions of the skin, and can also be combined with the ear spoon piece to clean ears. The cotton ball can be replaced, and when the cotton ball is fixed through a thin rope, the cotton ball can be stably fixed in the groove in the cotton fixing part when the thin rope is used for binding. The liquid storage cavity is separated by the separation block, so that local redundant iodine liquid can be stored in the liquid storage cavity, the iodine liquid output amount of the cotton balls is increased, and the frequency of sucking the cotton balls into the iodine liquid bottle is reduced.

This invention relates to the field of pharmaceutical packaging technology and discloses a smart protective cap for dispensing alcohol and iodine solution. The cap includes a container for holding alcohol and iodine solution, a smart controller, a reminder display screen, and a self-resetting, press-to-deoxygenation component. The container includes a bottle body, a neck, and a smart protective cap for protecting the liquid inside the bottle. The neck is integrally connected to the top of the bottle body at the opening. The smart protective cap includes a sealing cap and a snap-on cap connected to the top of the sealing cap via an automatic flip-opening mechanism. A dispensing hole is provided near the front of the top of the sealing cap, and the inner wall of the snap-on cap has a leak-proof ring that abuts against the inner wall of the dispensing hole. The snap-on cap includes a first cover plate and a second cover plate. This application's automatic flip-opening mechanism replaces the traditional manual flip-opening method, solving the risk of cross-infection caused by manual operation. The built-in self-resetting, press-to-deoxygenation component effectively absorbs oxygen from the bottle, preventing oxidation and deterioration.

1. Name of the product in this design: Iodine disinfectant stick. 2. Purpose of this product design: for cleaning and disinfection in the medical field. The connecting tube in the middle is used to store iodine solution. When one end of the small-headed cotton is bent, the liquid seeps out from the other end of the large-headed cotton. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The rear view is the same as the front view, so the rear view is omitted; the left view is the same as the front view, so the left view is omitted; the right view is the same as the front view, so the right view is omitted. 6. Other situations requiring explanation: The reference figure shows the state of the connecting tube after it has been filled with iodine.

An alkaline high-valence iodine flow battery with adjustable capacity based on light intensity for large-scale energy storage is disclosed. The purpose of this invention is to address the issues of reduced battery life and capacity caused by the precipitation of elemental iodine in current acidic and neutral iodine flow batteries by forming iodate and periodate salts. The alkaline high-valence iodine flow battery with adjustable capacity based on light intensity for large-scale energy storage comprises a stack consisting of one or more single cells. Each single cell includes a positive electrolyte, a negative electrolyte, two light-proof storage tanks, a fixed end plate with a quartz window, a current collector fixed end plate with an S-shaped flow channel, a gasket, an ion sieving membrane, a positive electrode, a negative electrode, and a photocatalytic material. This invention provides an alkaline high-valence iodine flow battery with adjustable capacity based on light intensity for long-term large-scale energy storage. This flow battery is compatible with multiple charge / discharge modes and can be quickly adjusted to accommodate fluctuations in the energy to be stored.

This invention belongs to the field of sulfur-containing silane production technology, and particularly relates to a clean production process for sulfur-containing silanes, comprising the following steps: Step S1, synthesizing mercaptopropyltriethoxysilane; S2, reacting the obtained mercaptopropyltriethoxysilane liquid with iodine solution and iodine in carbon tetrachloride solution in a reaction tower, with the generated hydrogen iodide discharged from the top of the reaction tower; Step S3, after the reaction, the mixture of liquid product and unreacted mercaptopropyltriethoxysilane is pumped from the bottom of the reaction tower into a vacuum distillation tower for separation to obtain qualified Si-75 product, and the unreacted mercaptopropyltriethoxysilane is recovered and returned to the reaction tower. This achieves recycling to reduce raw material costs, minimizes the types of materials used in the process, avoids the difficulties of using and handling solid materials, and thus enables high-capacity, low-cost, clean production of the sulfur-containing silane sulfurizing agent Si-75.

A useful method for detecting and / or quantifying any noble metal on the surface of an indium phosphide (InP) substrate. The invention relates to a useful method for detecting and / or quantifying any noble metal on the surface of an indium phosphide (InP) substrate, comprising at least the following steps: a) contacting the InP of said substrate with an iodine solution further comprising at least one non-iodine oxidizing agent other than hydrogen peroxide for dissolving said noble metal, if present, in said solution; b) recovering said solution carried out in a); c) where applicable, repeating a) and b) with an iodine solution free of noble metal; and d) analyzing the solution recovered in b), and where applicable in c), by inductively coupled plasma mass spectrometry. Figure for the abstract: None