32results about How to "Fast sample preparation" patented technology

The utility model relates to a manufacture method for test samples, in particular to a manufacture method for test samples, which comprises the steps of mould manufacturing, resin melting, rock sample fusing, and mould polishing. The manufacture method for test samples can solve the problem that a plurality of special rocks are hard to sample completely; in the way, test can be implemented by using a plurality of very small rocks. Secondarily, materials can be sufficiently used by the manufacture method; rock blocks or rock debris remained by mining can be used; and for certain expensive minerals, the advantage of the manufacture method can be obviously shown. In addition, compared with a traditional method, the manufacture method has quick sample manufacture speed, and is more practical,simpler and convenient.

The invention discloses a method for rapidly detecting rhodamine molecules by using a ferroferric oxide / gold nanometer composite material. The method comprises the following steps: mechanically mixing the rhodamine molecules serving as probe molecules and the ferroferric oxide / gold nanometer composite material serving as an SERS (Surface Enhanced Raman Scattering) substrate with probe molecules of different concentrations for a certain time period; separating a substrate material of which the surface adsorbs the probe molecules out with a magnetic separation method; coating the substrate material on a glass slide, and airing for use in Raman detection. Meanwhile, the invention further provides preparation of the ferroferric oxide / gold nanometer composite material. The ferroferric oxide / gold nanometer composite material has the rapid magnetic response of ferroferric oxide, so that the detection of rhodamine by taking a pure gold nanometer material as the substrate is simplified, and the detection limit can be up to the order of magnitude 10<-8>. The SERS substrate has a wide application prospect in the fields of foods additives, heavy metal detection and the like.

The invention discloses a sample preparation method for quantitative analysis of water elements based on a laser induced breakdown spectrum. The method includes the steps that S1, a metal substrate not containing to-be-detected elements is acquired, the surfaces of the metal substrate are polished, and the upper surface and the lower surface of the metal substrate are made parallel; 2, filter paper is cut, wherein the area of the cut filter paper is smaller than that of the surfaces of the metal substrate; S3, the cut filter paper is placed on the polished surfaces of the metal substrate, to-be-detected liquid drops drip on the filter paper on the surfaces of the metal substrate, and the filter paper is heated; S4, after heating is completed, the filter paper is removed, and a heavy metal containing dry sample which is evenly distributed and consistent in diffusion range is acquired on the surfaces of the metal substrate. The filter paper serves as an intermediate conversion layer of the liquid drops and the metal substrate, even diffusion of the liquid sample is achieved through the even hole diameter of the filter paper, the diffusion range of liquid is limited through the fixed size of the filter paper, and sample preparation is easy to control and good in repeatability.

The invention relates to a device and a method for preparing an undisturbed soil sample of a ring cutter. The device comprises a work table, a support column, a soil sample lower backing plate, a force transmission frame, a pressing head, a lever, a spring clip and other common tools for preparing the soil sample, wherein the preparation materials can be steel, aluminum, alloys and the like. By utilizing the device and the method, the original sample of the ring cutter is prepared under a condition that a sample box is not completely opened, so that an opportunity that the soil sample is damaged in the preparation process of the sample is effectively reduced; for soil samples of loess, cracked clays and the like which are easily cracked, the ring cutter sample with high quality can be prepared, and the sample manufacturing success ratio is high and the scrap ratio is low; and for sand soil with low cohesive force, the original sand soil sample can be sampled by a common soil taking device so as to further prepare the undisturbed soil sample of the ring cutter.

The invention discloses an automatic pulverizer for a coal sample. The machine comprises a frame, a feed hopper arranged on the frame, a pulverizing means, a sample picking means and an impurity discarding means, wherein the feed hopper is arranged at the upper part of the frame, the pulverizing means comprises a cavity in which a hammer body is arranged, the hammer body is connected with a first drive unit, the cavity is provided with a feed inlet, a discharge outlet with a screen mesh and an impurity discarding opening, the feed hopper is connected with the feed inlet, the sample picking means is connected with the discharge outlet, and the impurity discarding means is connected with the impurity discarding opening. The automatic pulverizer provided by the invention changes traditional coal dust production manners and has the following advantages: all the procedures consisting of feeding, pulverizing, screening, bottling and impurity discarding in the preparation process of the coal sample can be carried out automatically, so a high degree of automation is realized; a fast speed and high efficiency are obtained in sample preparation; sealed design is used for equipment, which is clean and green and causes no dust pollution and small noises.

The invention discloses a zirconium alloy EBSD sample preparation method, which comprises: cutting a zirconium alloy sample block, carrying out chemical polishing by using a chemical polishing agent formed by mixing a lactic acid solution, a nitric acid solution and a hydrofluoric acid solution, rinsing with water, and carrying out blow drying with cold wind to obtain the zirconium alloy EBSD sample. According to the present invention, with the preparation method, the problems of complex process, long polishing time, poor effect and the like of the sample preparation technology in the prior art are solved; the preparation method of the present invention is suitable for the preparation of various zirconium alloy EBSD samples with any shapes and any sizes, has characteristics of less grinding step, simple and convenient chemical polishing operation and rapid and efficient sample preparation, and can be used at the room temperature; and the finally prepared sample has characteristics of real structure and good clarity, wherein the EBSD zirconium calibration rate is more than 90%.

The invention discloses a method for measuring the content of each component in the ferro-titanium by an X-ray fluorescence spectrometry. Since high-temperature fusing and sample preparation for a test sample can not be implemented, a test sample is made and analyzed by using a pressed pellet; analysis programs of all components are made based on a calibration curve method, feature X-ray intensities of all component are measured and a final analysis program and a drift correction program are established; and drift correction and verification analysis are carried out on an instrument, the testsample is analyzed after determination, and the analysis result is read out directly from a computer. According to the invention, various components like titanium, aluminum, silicon, phosphorus, copper, manganese a in the ferro-titanium are analyzed once; and thus the operation becomes simple and the analysis speed is fast.

The invention discloses a glow spectrometer alloy sample and a preparation method thereof. The glow spectrometer alloy sample is a laminate formed by alloy powder and binders, wherein the binders are copper powder and / or aluminum powder. The sample preparation process is simple, only pure copper powder and / or aluminum powder are / is used as the binders, and are / is fully mixed uniformly with alloy in appropriate mass ratio, a sample pressing machine is adopted for pressing and preparing the sample, and the sample preparation speed is high; a glow spectrometer detection method is adopted to detect all concerned elements in the alloy one time including carbon element, and different kinds of equipment are not required for detecting different elements in the alloy; when a glow spectrometer detects and analyzes the components, the vacuum degree is required to be less than 20Pa, and the contents of all elements can be accurately detected; and the vacuum degree requirement can be effectively met, and good detection basis can be provided for detection of chemical components of the alloy by the glow spectrometer.

The invention relates to an automatic sample preparation system of electric steel. The system comprises a shearing system (1) which comprises a punch (101), a first fixture (102), and a first screw propulsion system (103). The punch (101) is arranged in front of a running bulk sample (5) of the electric steel; the first fixture (102) is used for clamping the rear end of the running bulk sample (5) of the electric steel; the first screw propulsion system (103) is driven by a first step motor (104); the punch (101) and the first step motor (104) are controlled by an industrial control computer. The automatic sample preparation system of the electric steel uses the screw propulsion system to transmit the bulk sample of the electric steel so as to punch and slice; the screw propulsion system operates in pauses according to the set width of the industrial control computer; the sampling speed is high; and the slicing is highly accurate.

The invention discloses a sampling method and analyzing method for oxygen and nitrogen analysis samples, wherein a flaky sample is cut from the cross section of a sample of above phi20mm, and after polishing, the flaky sample is stamped into a caky analysis sample. The sampling method aims at samples such as round steel of various specifications, large-specification screw-tread steel and racket samples, a rodlike sample is replaced by the flaky sample, and the original sampling process of linear cutting of rodlike sample and peeling is changed to the sampling process of slicing, polishing andstamping; the surface of the flaky sample is easier for polishing, the surface roughness Ra completely meets the requirement specified by standard, and observation for the sample surface is more intuitive; sample preparation is convenient and quick, and the efficiency is increased by about 3-4 times. The sampling method is anhydrous and greaseless in the whole process, and compared with the original linear cutting rodlike samples, sampling speed is greatly increased, judgement for the quality of the sample surface is more intuitive and better to control, and therefore, powerful guarantee is provided for subsequent oxygen and nitrogen analysis accuracy and oxygen and nitrogen analysis precision and accuracy are increased.

The invention discloses methods for detecting a section shape and a radial profile degree of cellulose acetate fibers. The methods comprise two steps of sample prefabrication and sample detection; fiber bundle prefabrication of a sample is completed by a sampler; the sampler is composed of a base body, a thread pressing plate, a front positioning check block and a back positioning check block; several thread fixing grooves and ribbon fixing grooves are formed on the base body of the sampler; the base body of the sampler is connected with the thread pressing plate by a compression bolt; the front positioning check block and the back positioning check block are respectively arranged on two sides of a tail end of the base body of the sampler; a prefabricated sample can be obtained by a sampler for the fiber bundle prefabrication; a cross section of the prefabricated sample can be detected by a laser scanning microscope; a circumcircle radius and an incircle radius of a fiber cross section can be measured, and then a measurement result of the radial profile degree of each fiber can be obtained, thus, radial profile degree detection of a single fiber bundle can be achieved. The methods achieve automatic and quick detection of radial profile degrees of the whole thread and the whole bundle. The sample is prefabricated and detected in 2 hours; an operation is simple and testing accuracy is high.

The invention relates to a manufacturing method of a double-end random beard for a cashmere fiber length test. The manufacturing method mainly comprises the following steps: preliminarily manufacturing double-end random beard; removing floating fibers in the beard; and removing large crimps and convolution crimps of the fibers. The invention also relates to an instrumented detection method of a cashmere fiber length. The method has the following beneficial effects: (1) the fibers in the prepared tuft for the length test do not contain large crimps and convolution crimps, the length of the fibers tested in a state is consistent with the length of the fibers tested by a manual arraying method accepted at home and abroad, and a current manual arraying method test of the cashmere length can bereplaced by a rapid, objective and accurate instrument test; and (2) the sample is more representative, and a test result is more reliable.

The invention discloses a preparation method for a test sample for alloy powder performance analysis and a special compound crucible of the preparation method. The test sample is blocky. The preparation method includes the steps that alloy powder is added into a ceramic crucible with the exterior sleeved with a graphite sleeve, a high-frequency induction furnace is adopted to heat the ceramic crucible with the exterior sleeved with the graphite sleeve so that the alloy powder can be used for pouring after being molten, and the needed test sample is obtained. The compound crucible comprises the ceramic crucible and the graphite sleeve arranged on the exterior of the ceramic crucible in a sleeving manner. The high-frequency induction furnace carries out induction heating on the ceramic crucible; by adding the layer of graphite sleeve on the exterior of the ceramic crucible, the compound crucible is formed; the problem that induction heating on metal powder is difficult is solved; and the alloy powder sample obtained in the above manner is suitable for being used for spark direct reading spectrum testing.

The invention discloses a preparation method of a pulverized coal rock optical sheet, and belongs to the technical field of preparation of rock optical sheets. The method comprises the following steps: firstly, selecting a certain amount of coal sample, crushing and sieving to ensure that the weight of coal sample with particle size less than 0.1mm does not exceed 10 percent of the total coal sample weight; weighing 100 to 200g of air-dried coal sample with particle size less than 1mm, and reducing to 10 to 20g by a stack-mixing quarterly method for later use; then, mixing a binder, a curing agent, an accelerator and a defoamer to prepare a resin liquid; and carrying out molding and constant temperature drying to obtain the pulverized coal rock optical sheet. Through adoption of the preparation method, the problem of unavoidable bubbles in a coal brick optical sheet in the prior art is solved, and the quality and utilization efficiency of the optical sheet are improved by adding the defoamer. The preparation method can make full use of materials and exploit the remaining rock blocks or cuttings. For certain precious minerals, the advantages of the preparation method can be clearlydemonstrated.

The present invention discloses focusing ion beam modifying integrated circuit method. It contains positioning step, holing step and grounding ground wire pin of integrated circuit step, wherein positioning ground wire through hole and circuit wire through hole position in positioning step, plating first metal coating on ground wire through hole area of integrated circuit top layer before holing ground wire through hole, and depositing metal first metal coating in ground wire through hole, before holing circuit wire through hole plating first metal coating connected second metal coating on circuit wire through hole of integrated circuit, down holing circuit wire through hole to internal circuit wire of integrated circuit. The present invention also discloses modified integrated circuit adopting focusing ion beam.

The invention belongs to the technical field of chemical analysis detection, and specifically relates to an analysis method for rapid combined determination of Ni, Cu, Fe, S, CaO, MgO, SiO2, Pb, Zn, As, Sb and Bi in flash smelting furnace slag. The method comprises: preparing a sample sheet, preparing a standard sample sheet, preparing an instrument drift correction sample sheet, determining the instrument drift correction sample sheet, selecting a special matrix correction method, determining the sample sheet, and calculating the analysis result. According to the present invention, the powder tableting is used, the sample pretreatment process is rapid, the rapid determining is achieved, the multi-element determination of one sample can be completed within 10 min, the labor efficiency is high, the operation is simple, the instrument analysis parameters and the matrix correction mode are unique, the appropriate instrument analysis parameters and the unique correction mode are explored, the technical problem that the partial element standard curve regression is not linear is solved, the multi-element combined determination can be performed, and the combined determination of the main component and the secondary components can be achieved.

The invention discloses a rapid sample preparation device and method for a coating bonding strength test sample, the rapid sample preparation device comprises a base, a baffle plate and a spring sleeve pressurization mechanism, the base is provided with a positioning groove, and the baffle plate and the spring sleeve pressurization mechanism are sequentially arranged at intervals along the length direction of the positioning groove; during working, a base block and a loading block are sequentially arranged in the positioning groove between the baffle plate and the spring sleeve pressurizing mechanism. According to the invention, the sample preparation speed is improved on the premise of ensuring the precision of the sample preparation finished product, and the consistency of the sample preparation finished product is improved.

The invention provides an intelligent composing system. The intelligent composing system comprises the following steps: 1, making the size and composing requirements of a sample into a database and programming; 2, entering the size of a detected material, revoking corresponding parameters from the database according to specified standards and finishing composition; 3, outputting a composed result to terminal equipment in a picture form. The intelligent composing system has the benefits that waste of the detected material caused by the skill of an inspector cannot be caused, the composing procedure is simplified, the sample making speed is raised, the detection work efficiency can be greatly improved, and the optimal use of the detected sample is realized.

The invention discloses a sample preparation method for quantitative analysis of water elements based on a laser induced breakdown spectrum. The method includes the steps that S1, a metal substrate not containing to-be-detected elements is acquired, the surfaces of the metal substrate are polished, and the upper surface and the lower surface of the metal substrate are made parallel; 2, filter paper is cut, wherein the area of the cut filter paper is smaller than that of the surfaces of the metal substrate; S3, the cut filter paper is placed on the polished surfaces of the metal substrate, to-be-detected liquid drops drip on the filter paper on the surfaces of the metal substrate, and the filter paper is heated; S4, after heating is completed, the filter paper is removed, and a heavy metal containing dry sample which is evenly distributed and consistent in diffusion range is acquired on the surfaces of the metal substrate. The filter paper serves as an intermediate conversion layer of the liquid drops and the metal substrate, even diffusion of the liquid sample is achieved through the even hole diameter of the filter paper, the diffusion range of liquid is limited through the fixed size of the filter paper, and sample preparation is easy to control and good in repeatability.

The invention provides a clay-cutting sectioning device for clayey soil. The clay-cutting sectioning device for clayey soil comprises a base plate; a fixed plate with the bottom fixed at the top of the base plate; a sample conveying trough formed at the top of the base plate and located at one side of the fixed plate; a push block with the bottom in sliding connection with an inner surface of thesample conveying trough; a sample feeding push rod with one end fixed at one side of the push block; and a support frame with the bottom fixed at the top of the base plate. The clay-cutting sectioningdevice for clayey soil provided by the invention performs a series of work as follows: a sample is pushed into the sample conveying trough by adopting the sample push rod, a cutter is used for cutting the sample, and the cut sample is saved in a sampling sleeve and pushed out by using the sample push rod; and the device has the advantages of being fast in hard-plastic and hard-state clayey soil sample preparation, uniform in sectioning, good in quality assurance, simple in structure, and strong in operability.

The invention discloses a sample preparation method for analyzing chemical components of quartz sandstone by X-ray fluorescence spectrometry, and relates to the technical field of X-ray fluorescence spectrum analysis sample preparation. Static electricity between a human body and the surface of equipment is eliminated by using an independent ground wire, and static electricity between sandstone powder is weakened by using a static electricity eliminator, so that the sandstone powder can be bonded and tableted under the condition of not adding a bonding agent, and the detection accuracy is improved; equipment conditions are reduced, so that sandstone powder can be directly tabletted and prepared by utilizing a common sample pressing machine, an edging substrate is not used, a high-pressuresample pressing machine is avoided, and the cost is reduced; the sample preparation process is simple, the consumed time is short, and the sample preparation speed is high.

The invention discloses a resin sand sampling machine. The resin sand sampling machine comprises a main machine body. A jolting hand wheel is arranged on the main machine body and connected with a jolting mechanism arranged in the main machine body, an operating platform is arranged on the main machine body, a backing plate is arranged above the operating platform, a filling frame is arranged above the backing plate, and sample mold fixing screws and sample broaches are arranged on the filling frame. Sample mold sets are arranged in the filling frame and include sample molds, filling molds and guide molds, the sample molds are arranged at the bottom of the filling frame, the filling molds are arranged above the sample molds, the guide molds are arranged above the filling molds, broach guide grooves are formed above the filling molds, and the sample broaches are arranged in the broach guide grooves. According to the resin sand sampling machine, samples with different properties can be made through different sample boxes and other tools, and core sand samples in other adhesive types can also be made, so that the adaptability is high.

The invention discloses a method for preparing a micron-sized particle transmission electron microscope sample, and method comprises the following processes performed in a focused ion beam-scanning electron microscope dual-beam system of selecting sample particles of a micron size order to be measured; applying an ion beam deposition process to deposit a first material on the outer surface of thesample particles to form a protective layer covering the sample particles; welding the sample particles coated with the protective layer to a sample carrier; and applying an ion beam cutting process to cut the sample particles coated with the protective layer to form a test sample with a thickness on the order of nanometers on the sample carrier. The method can simplify the sample preparation process of micron-sized particle transmission electron microscope samples, improve the speed of sample preparation, and improve the success rate of sample preparation.

The invention discloses an automatic coke distributing device and a coke ball making device. A coke moveable door driving mechanism includes a moveable door turning bracket, a bracket driving cylinder, an electromagnetic valve, a cylinder rotating connector, a battery valve wiring positive pole, a battery wiring negative pole, and a positive pole and negative pole conductive mounting base. One endof the moveable door turning bracket is matched with a moveable door, and the other end is matched with the bracket driving cylinder. The bracket driving cylinder is matched with the electromagneticvalve at the same time. The automatic coke distributing device can solve the technical problem of automatic opening and closing of the coke moveable door.

The invention discloses a preparation method of a polycrystalline silicon surface metal detection sample. The preparation method comprises the following steps: weighing polycrystalline silicon; quickly leaching the surface of the polycrystalline silicon by using a mixed acid solution of nitric acid and hydrofluoric acid to obtain a pickling solution; carrying out water leaching on the polycrystalline silicon subjected to acid pickling to obtain a water washing solution; heating the pickling solution and the water washing solution together to be dried by distillation; and adding nitric acid into the dried residues for dissolving, and fixing the volume of a solution obtained by dissolving to obtain a sample for detecting the metal on the surface of the polycrystalline silicon. The invention also discloses a polycrystalline silicon surface metal detection method comprising the sample preparation method. The preparation time and the detection period of the detection sample can be greatly shortened, and the detection accuracy is improved.