56 results about "Ashing" patented technology

The invention relates to a method for recovering valuable components from high-copper and high-iron complex gold extraction broken carbon roasting slag. The method comprises the following steps: grinding and grading: grinding and grading a material to be treated into a fine material with the particle size of-0.074 mm accounting for 70%-80%; flotation decarburization is conducted, specifically, primary roughing is conducted on the fine material slurry, carbon-containing concentrate and tailings are obtained, and the carbon-containing concentrate is returned to an original roasting ashing system to be roasted again to obtain concentrate roasting slag; selective leaching of copper: feeding the tailings and the concentrate roasting slag into an ammonia-chlorine solution for pre-leaching to obtain copper-containing leaching liquid and leaching slag; first-stage preferential leaching is conducted, specifically, the leaching residues are fed into a cyaniding system to be subjected to first-stage preferential leaching, and a gold and silver pregnant solution and first-stage leaching residues are obtained; second-stage intensified leaching is conducted, specifically, the first-stage leaching residues are subjected to second-stage intensified leaching, and gold and silver pregnant solution and second-stage leaching residues are obtained; and recovery of element copper: conveying the copper-containing immersion liquid to a copper recovery system for distillation to obtain ammonia water and a copper hydroxide precipitate. According to the method, efficient comprehensive recovery of gold, silver and copper in the high-copper-iron complex gold extraction broken carbon roasting slag is achieved.

This invention provides an ashing method for organochromium catalysts, comprising the following steps: a mixture of an ashing aid and the organochromium catalyst is reacted in a sealed oxygen-containing atmosphere under the synergistic effect of microwaves and high frequency, with the temperature programmed to <350°C, to completely ashing the organic matter in the organochromium catalyst; wherein the ashing aid is selected from nitrates; and the reaction pressure is less than 20.0 MPa. This invention, by ashing under the combined action of an ashing aid and high frequency with microwaves, effectively and completely removes organic matter from organochromium catalysts at low temperatures. This method overcomes the shortcomings of existing organochromium catalysts, which suffer from volatilization losses during conventional ashing or wet digestion treatments. It offers advantages such as a wide range of sample amounts, high accuracy, and suitability for the analysis and detection of chromium and other elements in different organochromium catalysts.

The present invention addresses the problem of obtaining a cured product which has excellent diluent solubility and in which the contact resistance of an electrode after ashing is suppressed to be low. A resin composition containing the following components (a) to (c), the component (a) having a diamine residue represented by formula (1) in an amount of from 1 mol% to 80 mol% (inclusive) with respect to 100 mol% of all diamine residues contained in the skeleton of the resin of the component (a), and the component (c) having a diamine residue represented by formula (2) in an amount of from 1 mol% to 80 mol% (inclusive) with respect to 100 mol% of all diamine residues contained in the skeleton of the resin of the component (a). Component (a): at least one resin selected from the group consisting of polyimide precursors, polyimides, polybenzoxazole precursors, polybenzoxazoles, and copolymers thereof Component (b): a photosensitizer. Component (c): a solvent (in formula (1), R1-R8 each independently represent an alkyl group having 1-4 carbon atoms or a hydrogen atom, X each independently represents-CH2-,-C (CH3) 2-,-O-,-S-,-SO2-or a single bond, and p, q, r and s each independently represent an integer of 0 or 1 and represent a bonded part).

The utility model relates to an incineration closestool which comprises a sewage receiving cavity, an incineration cavity and an ash receiving cavity which are arranged on a closestool body. A sewage inlet and an ash outlet are formed in the incineration cavity, the sewage receiving cavity in the open state communicates with the incineration cavity through the sewage inlet, and the incineration cavity in the open state communicates with the ash receiving cavity through the ash outlet; a magnetic heating part and an electromagnetic coil are arranged on the incineration cavity and correspond to each other, and a magnetic field generated by electrifying the electromagnetic coil enables the magnetic heating part to generate high temperature for incinerating excrement. According to the incineration closestool, excrement is heated and incinerated in an electromagnetic heating mode, the incineration area and the ashing matter collecting area are separated from each other, and therefore the incineration closestool has the advantages of being high in heating efficiency, low in energy consumption, easy and convenient to use and the like.

This invention relates to the field of substrate glass manufacturing and testing technology, and provides a method for testing the performance of spacer paper for substrate glass. The method includes: in a constant temperature and humidity clean environment, processing the testing equipment to constant weight; mixing and sampling multiple units of the spacer paper sample, and then transferring the samples to a constant-weight testing equipment for weighing; drying the samples at 105±2℃ to constant weight, and calculating the moisture content based on the mass difference before and after drying; and igniting the samples at 900±25℃ until completely ashed, and calculating the ash content based on the mass difference before and after ignition. This invention, through constant temperature and humidity operation and multi-unit mixed sampling, eliminates environmental interference and sampling bias, achieving continuous and accurate testing of moisture and ash content, and significantly improving the accuracy and repeatability of the test results.

The utility model discloses a filtering protection structure of a fire-fighting smoke exhaust fan, which relates to the technical field of smoke exhaust fans, and comprises a protection cylinder, a fixing frame is arranged in the protection cylinder, a fan assembly is arranged in the fixing frame, a metal wire mesh is detachably connected to the inner wall of one side of the protection cylinder, and the inner wall of the other side of the protection cylinder is provided with an air inlet. A first fixing ring is fixedly installed at one end of the protection cylinder, a second fixing ring is detachably connected to the outer surface of the first fixing ring, and through cooperation between a metal wire mesh and a rotating plate, when the smoke exhaust fan is started, the metal wire mesh can reduce combustible ashing substances sucked into the pipeline; when the smoke exhaust fan is started, the rotating plate can be opened under the action of wind power and opened to the maximum angle under the action of wind power, at the moment, smoke can be normally exhausted, the service life of the smoke exhaust fan is not prone to being affected by the outside, the function of filtering and protecting the smoke exhaust fan is achieved, and the service life of the smoke exhaust fan is prolonged.

This invention discloses a method for determining the chemical composition of calcium carbide slag. The method first removes the moisture by ashing the calcium carbide slag, then digests it with concentrated nitric acid and hydrofluoric acid, followed by digestion with saturated boric acid. Finally, based on a standard solution, the concentration of each component is obtained by comparing the test solution and the blank solution, and then converted into the content of oxides. The experimental results show that the recovery rate of calcium oxide is over 96%, and the accuracy and precision meet the standard requirements.

The invention provides an ashing waste precious metal powder recovery device and a recovery method thereof, and relates to the technical field of precious metal powder industrial recovery. The recovery device comprises a waste conveying and feeding system, an air blower, a two-section type combustion ashing furnace, a tail gas absorption system, acid leaching gold dissolving equipment, a solid-liquid separator, powder reduction equipment and the like. According to the recovery method, a two-section ashing oxygen-controlled combustion strategy is adopted, efficient recovery of gold, silver, platinum and other precious metal products in wiping cloth, fiber filter materials, gloves and other ashing waste generated in the production process of precious metal powder and slurry is achieved, and meanwhile the industrial solid waste treatment problem is solved.

The invention relates to a radioactive combustible solid waste treatment device and method. The device comprises a gasification furnace, an air mixing system, a flue gas recirculation system, a steam mixing system, a combustion furnace and a stored ash ashing device. Materials are subjected to various reactions in the gasification furnace to form gas products, liquid tar and solid residues (bottom ash), the gas products enter the combustion furnace to be fully combusted, in the process, flue gas mixed with water vapor is introduced into the gasification furnace from the position below a fire grate of the gasification furnace, a material layer and a pyrolysis gas layer through a flue gas recirculation system, and the gas products are fully combusted. The water vapor source comprises two parts, namely water vapor generated by combustion of pyrolysis gas in the combustion furnace and water vapor supplied from the outside. After the water vapor enters the cracking gasifier, the water vapor and coke are subjected to water gas reaction on a coke burning layer, so that the waste treatment effect is further improved; the cracking layer participates in the material cracking process, so that the cracking rate is increased, further cracking of macromolecular products is promoted, and generation of heavy tar is reduced.

The invention relates to a pipe and a method for manufacturing the same. A tube formed from a molding material which contains a fluororesin having melt processability and which has a metal content of 40 ng / 1 g or less as measured by ashing, a Na content of less than 1 ng / 1 g as measured by ashing, and a K content of less than 1 ng / 1 g as measured by ashing, the fluororesin is at least one type selected from the group consisting of tetrafluoroethylene / perfluoro (alkyl vinyl ether) copolymers and tetrafluoroethylene / hexafluoropropylene copolymers, and the melt flow rate of the fluororesin is 1 g / 10 minutes to 6 g / 10 minutes.

The invention discloses an AI improvement method for coal ash content detection based on a laser firing method, which comprises the following steps of: identifying whether a coal sample fired by laser is coked or not and the non-ashing ratio of the coal sample when the coal sample is not coked by utilizing a special multi-mode large model obtained by training and a picture of the coal sample fired by the laser; and outputting a corresponding text description, inputting the coal sample non-ashing proportion which does not reach or exceed a threshold value and is output by the special multi-mode large model into a programmed ash content calculation model Aad = (m2-m1 * a%) / (m1-m1 * a%), and calculating to obtain the ash content. The method solves the problem of low ash content determination precision of the existing laser firing method for detecting the ash content, and has the advantages of high detection speed, high precision and the like.

The invention relates to the field of analytical chemistry and material testing, and mainly relates to a silicon dioxide determination method resistant to organic silicon matrix interference. The invention relates to an organosilicon matrix interference-resistant silicon dioxide determination method, which comprises: introducing an inert atmosphere, and removing oxygen; in the inert atmosphere environment, the temperature of the sample is gradually increased to 500-850 DEG C for treatment; the atmosphere is switched from the inert atmosphere to the oxidizing atmosphere, and treatment continues to be conducted at the temperature of 500-850 DEG C; and cooling and weighing to obtain the final residual mass percentage, namely the percentage of the added silicon dioxide in the sample. According to the application, through an innovative'inert pyrolysis-oxidation sweeping 'procedure, the principle defect that an organic matrix is misjudged as functional silicon dioxide by a traditional muffle furnace ashing method is fundamentally overcome.

The invention discloses a reworking method of a CIS wafer, and the method comprises the steps: firstly carrying out the pretreatment of an exposed photoresist layer on the surface of the to-be-reworked CIS wafer through employing a fluoroalcohol compound solution, can effectively prevent the surface of the photoresist layer from forming a compact carbonization layer in a subsequent ashing process, and facilitates the improvement of the etching efficiency and the etching effect; and then the pre-treated exposed photoresist layer is sequentially ashed, soaked, stripped and cleaned, so that the exposed photoresist layer on the surface of the CIS wafer can be quickly and completely removed, and pollutants generated in the treatment process can be effectively removed while the CIS wafer is effectively protected. The method has the advantages of being simple in process, convenient to operate, low in cost, high in removal efficiency, good in removal effect, small in damage to the CIS wafer and the like, improvement of the remanufacturing efficiency and the remanufacturing effect of the CIS wafer is facilitated, market competitiveness of products can be improved while product defects are reduced, the yield is increased and the cost is reduced, and the method is high in use value and good in application prospect.

The invention relates to a testing method for measuring the content of metal elements in a chlorinated butyl rubber plug, and belongs to the technical field of chlorinated butyl rubber plug testing. Comprising the following steps: S1, cutting a rubber plug into pieces, S2, adding concentrated sulfuric acid, S3, putting the rubber plug into a muffle furnace, S4, setting the temperature of the muffle furnace, S5, heating and cooling the muffle furnace, S6, observing an ashing state, S7, carrying out secondary ashing, S8, transferring a sample to a constant volume, S9, transferring the sample to a constant volume, and S10, carrying out measurement on a machine. Volatile metal chlorides and oxides are converted into sulfates with stable chemical properties by concentrated sulfuric acid, and the sulfates are not volatile or decomposed even at the high temperature of 600 DEG C, so that the total amount of metal elements is completely locked; according to the present invention, the accurate ashing at 600 DEG C can completely remove the organic matrix, the interference of the organic matter is avoided, the loss of the metal element is ensured, the determination value of the same standard rubber sample is 0.048-0.052 mg / kg, and the accuracy is significantly improved.

[Problem] The present invention addresses the problem of providing a molded body which can be used as a tube for transferring a high purity chemical agent. [Solution] The present invention provides a molded body which comprises a liquid contact layer (A) having a liquid contact surface, and a liquid non-contact layer (B) having a liquid non-contact surface, wherein: the liquid contact layer (A) contains a tetrafluoroethylene / fluoroalkyl vinyl ether copolymer (a), and the total amount of Na, Mg, K, Ca, and Fe dissolved into hydrofluoric acid from the liquid contact layer (A) is 10 ng / cm2 or less; and the liquid non-contact layer (B) contains a tetrafluoroethylene / fluoroalkyl vinyl ether copolymer (b), and the total metal content of Na, Mg, K, Ca, and Fe in the liquid non-contact layer (B) measured by an ashing method is higher than the total metal content of Na, Mg, K, Ca, and Fe in the liquid contact layer (A) measured by the ashing method.

The invention relates to the technical field of detection and enrichment of minerals in coal, and particularly provides a coal sample ashing degree control method and system based on a laser Raman spectrum. The method comprises the following steps: acquiring a laser Raman spectrogram of a coal sample in real time in an ashing process of the coal sample; determining ashing process characterization parameters of the coal sample based on the laser Raman spectrogram; turning over the coal sample based on a comparison result of the ashing process characterization parameter and the dynamically adjusted trigger threshold value; when it is judged that the ashing process characterization parameter reaches the preset completion standard, an ashing completion signal is output. The system comprises a coal sample ashing unit, a laser Raman instrument and a controller. The ashing unit comprises a sample bin, a coal sample bearing piece and a vibration device coupled with the coal sample bearing piece. An optical probe of the laser Raman instrument penetrates through the bin wall, and a light path of the optical probe is aligned with the sample area. And the controller is electrically connected with the laser Raman instrument, the vibration device and the sample bin. Therefore, closed loop of real-time monitoring, automatic judgment and automatic execution is realized, the necessity of manual intervention is thoroughly eliminated, the automation of the whole process is realized, the ashing efficiency can be improved, and the analysis of minerals and key metals can be realized.

This invention discloses a method for detecting the alumina content in aluminum-manganese-calcium alloys, mainly solving the technical problem that existing methods cannot accurately and rapidly detect the alumina content in aluminum-manganese-calcium alloys. The technical solution is as follows: a method for detecting the alumina content in aluminum-manganese-calcium alloys, comprising: 1) sample preparation: after removing the oxide layer on the sample surface, the sample is placed in a reagent bottle containing organic solvent for storage; 2) alumina extraction from the sample: first, alumina is extracted from the sample by electrolysis, the sample is placed in an electrolytic cell for electrolysis, the sample is the anode, a platinum electrode is the cathode, and a saturated calomel electrode is the reference electrode; 3) detection of alumina in the sample: the filter membrane and filter material from step 2) are placed in a platinum crucible, and the filter membrane is removed by high-temperature ashing; 4) calculation of the mass percentage of alumina in the aluminum-manganese-calcium alloy. The method of this invention for determining the alumina content in aluminum-manganese-calcium alloys has a relative standard deviation (RSD) of less than 3%, indicating good precision, accuracy, and reliability of the detection data.

The invention discloses an ash sample preparation method of ultra-low ash coal, which comprises the following steps: (1) drying pretreatment: putting a coal sample into drying pretreatment equipment, drying according to a preset drying condition, removing external moisture in the coal sample, and enabling the coal sample to be burnt to reach a dry state; (2) firing treatment: placing the cupel filled with the coal sample in firing equipment, and performing firing treatment to ash the coal sample to obtain an ash sample; and (3) cooling, grinding and screening: after firing is finished, taking out the cupel from the firing equipment, cooling, transferring an ash sample into grinding equipment, grinding, and screening the ash sample with a preset particle size to obtain a coal ash sample. According to the method, the remarkable breakthrough that the single-time coal ash preparation efficiency of single equipment is improved by 300% is achieved. The strict specification and optimal design of the ash sample preparation method of the ultra-low ash coal provide a solid guarantee for the quality of the coal ash sample. The efficiency is greatly improved, the quality is stably guaranteed, and the comprehensive cost of coal ash preparation is reduced.

Method for artificially ashing a particulate filter (3) downstream of an internal combustion engine in the exhaust system of a motor vehicle, wherein, to avoid depth filtration, an ash layer (A) is applied as a filter cake to the surface of the channel wall (2) of the particulate filter (3) in its new condition, characterized in that a direct coating of the wall surface or an internal coating of the particulate filter (3) is carried out with an ash former which is burned off during the operation of the motor vehicle.

The utility model provides an inner cavity structure of a rapid ashing furnace, which relates to the technical field of ashing furnaces and comprises an ashing furnace body, two moving grooves are formed in the inner surface wall of the ashing furnace body, strip-shaped blocks are movably inserted into the inner surface walls of the two moving grooves, a placing plate is fixedly mounted between one sides of the outer walls of the two strip-shaped blocks, and the other sides of the outer walls of the two strip-shaped blocks are fixedly connected with the placing plate. And two positive and negative motors are fixedly mounted on one side of the inner wall of the ashing furnace body. According to the device, two forward and reverse motors are started to drive two moving columns to move back and forth on two guide rods and two threaded rods respectively under the action of two guide rods and two limiting blocks, and then the two moving columns drive two connecting blocks and a placing plate to move back and forth under the action of two moving grooves and two strip-shaped blocks; and therefore, a worker can conveniently take and place objects after opening the visual door, the worker is prevented from making contact with a high-temperature environment, the risk that arms of the worker are scalded is reduced, and the using effect of the ashing furnace is improved.

The application provides a device and a process for gasification and ashing of carbon-containing organic matter, and relates to the technical field of carbon-containing organic matter treatment. The device comprises a cylindrical furnace body, a cylindrical shaft vertically arranged in the furnace body, and multiple layers of furnace beds perpendicular to the cylindrical shaft. Each of the furnace beds is circumferentially provided with a hollow rotating rake and a magnetic force generator. The rotating rake is in communication with the cylindrical shaft, and the gap between the rotating rake and the magnetic force generator in the furnace bed is provided with a bed of piezoelectric material. A multistage and multipole magnetic field with a temperature of less than 500 DEG C is formed in the device. At this time, oxygen molecules are ionized to form plasma, and the reaction capacity is greatly increased. Meanwhile, a large amount of electrons are released from the pyroelectric material. In a magnetic field with a strength of 0.1-0.5 T, the electrons continuously and orderly pour down the carbon-containing organic matter like a waterfall at a speed of 1.43-3.19 x 10 3 m / s, so that the cohesion of the organic matter is seriously weakened and gradually decomposed, and the gasification and ashing processes are completed.

1. Name of the product in this design: Microwave Vertical Ashing Oven. 2. Purpose of this design: To perform high-temperature ashing treatment on various solid samples. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A method of processing a substrate, the method comprising: providing a patterned substrate having one or more gaps between features; depositing a sacrificial material over the substrate, wherein the sacrificial material is deposited in at least one of the one or more gaps; etching the sacrificial material to expose a surface of the feature; forming a thin permeable layer over the substrate, wherein the thin permeable layer is deposited on the sacrificial material and on the exposed surfaces of the features; selectively ashing the sacrificial material through the thin permeable layer to leave an air gap previously occupied by the sacrificial material prior to selectively ashing the sacrificial material, with the thin permeable layer suspending over the air gap; and depositing a dielectric material over the thin permeable layer.

The utility model relates to a system for efficiently recovering gold, silver and copper from complex gold ore gold extraction tailing broken carbon, which comprises a ball mill, and an ore pulp pump and a grading cyclone which are sequentially connected with the ball mill, and an overflow port of the grading cyclone is sequentially connected with a medicament stirring barrel, a flotation system and a 1 # filter; a filter residue opening of the 1 # filter is sequentially connected with a novel ashing roasting furnace, a reduction smelting furnace, a copper-silver leaching stirring tank and a 2 # filter, a filtrate opening of the 2 # filter is sequentially connected with a silver chloride precipitation stirring tank and a 3 # filter, a filtrate opening of the 3 # filter is sequentially connected with a copper replacement stirring tank and a 4 # filter, and a filter residue opening of the 3 # filter is sequentially connected with a silver replacement stirring tank and a 5 # filter. Flotation equipment, ashing roasting equipment, reduction smelting equipment, selective leaching equipment and the like are ingeniously combined to form a complete complex gold ore gold extraction tailing broken carbon recovery system, and meanwhile, proper technological parameters are matched, so that high-efficiency recovery of valuable metals such as gold, silver and copper in complex broken carbon with high copper, high iron, high calcium and the like is achieved.

This invention belongs to the technical field of impurity element determination in polyacrylonitrile-based precursor fibers. It discloses a method for detecting impurity elements in polyacrylonitrile-based precursor fibers. The method involves removing organic matter by calcination of the sample, followed by high-temperature calcination and ashing. The resulting ashing residue is treated with hydrochloric acid solution to obtain a sample solution. The content of impurity elements is then determined using an atomic absorption spectrophotometer. This invention differs from traditional methods that directly calcine and ashed the precursor fiber sample at high temperatures. By removing organic matter beforehand, the combustion process during subsequent high-temperature calcination and ashing is more stable compared to traditional methods. Simultaneously, the gas generated during sample calcination is eliminated, reducing the possibility of gas accumulation and preventing the loss of impurity elements from the sample due to gas scouring, adhesion, or chemical reactions. This results in more accurate analytical results and a safer experimental process.

The present application relates to a kind of methods for improving the heat resistance of reverse copper foil, comprising: blackening process, ashing process, passivation process in the preparation process of reverse copper foil are carried out under acidic conditions;Wherein, blackening process is carried out in the electroplating solution A containing nickel ion, hypophosphorous acid ion, boric acid electroplating nickel;Ashing process is carried out in the electroplating solution B containing zinc ion, boric acid electroplating zinc;Passivation process is carried out in the electroplating solution C containing chromium ion, hypophosphorous acid ion, boric acid electroplating chromium.The present application is obtained under the combination of acidic blackening process, acidic ashing process, acidic passivation process, and the reverse electrolytic copper foil can meet the requirements of stripping strength and can meet the heat stability (small heat attenuation), solve the problem that conventional reverse electrolytic copper foil cannot meet the requirements of stripping strength while having good heat stability.

The utility model relates to a sampling valve field, concretely relates to a heat accumulating chamber lattice body blockage dredging device, including base and dredging subassembly, and the dredging subassembly includes combustor, lifting component, moving component, concentration detector, mixing box, oxygen cylinder, natural gas jar, first connecting pipe and second connecting pipe, the heat accumulating chamber lattice's high temperature resistance is usually greater than 1100 degrees Celsius, through heating lattice temperature makes the attachment of blockage burns ash and falls, through moving component moves base position, and through lifting component controls the height of combustor, thereby will combustor's flame port aim at the position that needs heating or combustion, oxygen cylinder passes through first connecting pipe and will oxygen into mixing box, and natural gas jar passes through second connecting pipe and will natural gas into mixing box and mixes with oxygen, through concentration detector detects the concentration of mixed gas, makes the best mixed gas into gas appliance and carries out combustion to make combustion more sufficient, saves energy and heats up faster.

The present application relates to fragile ore roasting shaft kiln technical field, and disclose a kind of quick ashing fragile ore roasting shaft kiln, including shaft kiln body, one side of the shaft kiln body is fixedly installed with combustion chamber, one side of the combustion chamber is fixedly installed with burner;The present application is equipped with quantitative ashing mechanism, when limestone enters shaft kiln body, it is under the support of guide plate and precast beam, be cut off in the part of upper end inside shaft kiln body, at the same time, start burner and burn to produce hot gas, hot gas will pass through hot flue gas outlet into shaft kiln body and carry out calcination to limestone on guide plate, when reaction complete limestone will burst or shrink into powder, these powder can pass through the gap between guide plate and shaft kiln body and move downward, finally fall into hopper, when reaching the set value of material level meter, solenoid valve will be automatically opened, powder can be discharged, avoid overburning phenomenon.

The invention discloses a method for detecting the total iron content of lubricating oil, and solves the problems of no field detection method and large detection error in the prior art. The method comprises the following steps: weighing 0.1-1.0 g of an oil sample, placing the oil sample in a 40-60 ml quartz beaker, evaporating at 250-350 DEG C, and ashing at 600-800 DEG C; adding 1.5-2.5 ml of concentrated hydrochloric acid, boiling for 8-12 minutes, and carrying out acid leaching; transferring to a 8-12ml test tube, adding potassium persulfate and potassium thiocyanate to fix the volume to 8-12ml, and standing for 4-6 minutes; and carrying out colorimetric detection by using a 480-490nm spectrophotometer. The method is simple to operate, accurate and stable, adapts to fields and laboratories, and can quickly guide oil regeneration treatment.

The application discloses a kind of determination methods of the platinum content in automobile electric pile, the method is dissolved in aqua regia medium to automobile electric pile using microwave digestion instrument, ensure that the platinum in electric pile can be completely dissolved, after dissolving the sample to be measured is transferred into 100mL volumetric flask, with water constant volume, on inductively coupled plasma emission spectrometer to determine the platinum content, obtain the test result.Compared with the original ashing decomposition activated carbon sample pretreatment process, the application has sample complete dissolution, simple analysis process.Compared with the determination of platinum content by spectrophotometry, the application has high determination sensitivity, fast determination speed, small interference, wide linear range, and can realize multi-element joint measurement and other characteristics.The application can extend the determination of platinum content in carbon material.