2840 results about "Sample preparation" patented technology

The invention provides a mineral leaching property analysis method, which belongs to the field of process mineralogy, and comprises the following steps: crushing and enriching a sample to be detected, and selecting single mineral particles to obtain target mineral particles; the preparation method comprises the following steps: coating a sample preparation grinding tool with epoxy resin glue, adding target mineral particles, and carrying out curing and grinding treatment to obtain a primary sample; cutting the primary sample, placing the grinding surface downwards and the three wear-resistant alloys at the bottom of a sample preparation grinding tool, injecting epoxy resin glue, curing to form a composite sample, accurately grinding, polishing, performing carbon spraying treatment, performing first automatic mineralogical analysis, measuring the area of a target mineral, cleaning, and performing leaching treatment to obtain a treated sample; and after solidification, accurate grinding and polishing and carbon spraying treatment, secondary automatic mineralogical analysis is carried out, the area of the residual target mineral is measured, and the leaching index of the target mineral is calculated. Reliable technical support is provided for mineral processing technology optimization and resource evaluation, and the method is particularly suitable for development of efficient leaching technologies of precious metal, rare earth and the like.

The invention relates to a solidified soil proportion and strength prediction method and system based on SEM image analysis, and belongs to the technical field of solidified soil strength testing. Comprising the following steps: S1, measuring physical indexes of disturbed soil; s2, multi-working-condition sample preparation and maintenance; s3, fractal dimension calculation of the SEM image is carried out; s4, unconfined compressive strength testing; s5, establishing a microstructure inversion model and a macroscopic strength prediction model; and S6, proportion optimization and strength prediction: utilizing the microstructure inversion model and the macroscopic strength prediction model to carry out solidified soil proportion optimization or strength prediction. According to the method, the quantitative relation between the microstructure (fractal dimension) and the macroscopic strength is established through SEM image analysis, the defects in the prior art are overcome, and a brand new technical path is provided for resource utilization of disturbed soil.

A sample preparation instrument with an integrated device for estimating a concentration of white blood cells in a specimen is described. The sample preparation instrument receives a specimen for which a sample is to be prepared for analysis. The integrated device can implement an optical method, an electrical resistance method, or a flow cytometry method, for example, to estimate the white blood cell concentration in the specimen. For some types of analysis, a sample volume of the specimen is dependent on the white blood cell concentration. Therefore, the sample preparation instrument can automatically determine and adjust the sample volume of the specimen based on the estimated white blood cell concentration prior to adding additional reagents, such as labeling reagents and / or lytic reagents, to prepare the sample.

The utility model discloses a tensile shear and stripping test piece sample preparation tool, which belongs to the field of adhesive detection and comprises a bottom plate, a tensile shear sample preparation component and a stripping sample preparation component, and the tensile shear sample preparation component and the stripping sample preparation component are arranged on the bottom plate. The tensile shear sample preparation assembly comprises a first test piece groove and a second test piece groove which are formed in the bottom plate, and the first test piece groove and the second test piece groove are formed in the first direction; the stripping sample preparation assembly comprises two guide stand columns arranged on the bottom plate, a plurality of pressing blocks are arranged between the two guide stand columns in a sliding mode in the second direction, and test piece mounting grooves are formed in the pressing blocks in the third direction; the first test piece groove and the second test piece groove are located between the two guide stand columns, the pressing block is located above the second test piece groove, and the first direction, the second direction and the third direction are perpendicular to one another. The device can be used for simultaneously preparing a tensile shear test piece and a stripping test piece, and the adhesive layer thicknesses of different adhesives can meet the standard requirements by adjusting the pressure.

A diagnostic test device to perform a test on a biological or environmental sample is provided. In one aspect, the diagnostic test device includes a chamber configured to receive a fluid from a sample preparation reservoir at a first section of the chamber, and a plurality of spaced apart valleys along an inner surface of the at least one chamber. Each of the plurality of spaced apart valleys include a curved cross-section and is configured to promote flow of the fluid toward a second section of the at least one chamber.

The invention provides a TEM sample and a preparation method and application thereof.According to the preparation method of the TEM sample, on the premise that the hole structure of a semiconductor device is not affected, part of residual polymer accumulated and blocked in a hole opening in the semiconductor device is removed through reactive ion etching, so that the hole opening is expanded and not blocked any more; a protective colloid can enter a pore structure for filling and precursor material plating of atomic layer deposition is facilitated, the definition of the side wall of the pore is enhanced, and the quality and the final observation effect of the TEM sample are effectively improved; the equipment and technology adopted by the preparation method of the TEM sample provided by the invention are low in investment, and the operation process is simpler and faster than that of a Fab etching process; meanwhile, batch laboratory-scale sample treatment can also be realized; in addition, compared with a wet chemical corrosion cleaning technology for removing residual polymers, the problems of chemical reagent residues, chemical reactant pollution and the like at the bottom of the deep hole structure are avoided.

A sensing device is used to determine the risk and / or probability of an COPD-attack and / or asthma attack of a patient. The sensing device includes a collection device for the non-invasive collection of a biological sample and a biosensor for determining the existence and / or the amount of a biomarker in the biological sample, preferably without the need for sample preparation. The device also includes a control and evaluation device that determines a risk and / or probability of an COPD and / or asthma-attack based on the existence and / or measured amount; and a measuring arrangement and a method for the maintenance of said sensing device or measurement arrangement, and an output unit that outputs the risk / probability.

A method for analyzing a sample includes introducing the sample into a vessel including a cation-exchange resin, where the cation-exchange resin has a high affinity to one or more interferent species in the sample, directing the sample through the cation-exchange resin to thereby capture one or more interference species in the cation-exchange resin to purify the sample, and releasing the purified sample from the vessel. Additionally, a method for analyzing a sample includes receiving an image depicting a diagnostic test region and a color reference chart, converting a test region image portion of the image to an analytical color space, determining first and second coordinate values characterizing the test region image portion in the analytical color space, and providing a quantitative measurement of an analyte of interest in the sample based on the first and / or second coordinate values and a predictive formula based on the color reference chart.

The invention discloses a sample preparation and characterization method of a rotation angle crystal interface, which is suitable for a sample with dislocation at the interface of two crystals, and comprises the steps of sample preparation and measurement of the relative rotation angle theta of the two crystals. A certain angle is formed between the cutting direction and the interface for sample preparation, a slice is taken out, and the obtained slice has three thin areas including a top material A crystal, a top material A / bottom material B crystal mixing area and a bottom material B crystal; measurement of the rotation angle theta: the electron beam direction is parallel to the rotation axis of the top sample during testing, and the rotation angle theta is directly measured by analyzing crystallographic information of the three thin areas. According to the method, the rotation angle of the top crystal relative to the bottom crystal can be accurately measured through TEM analysis of the three thin regions, and the error-tolerant rate of TEM sample preparation and analysis experiments is improved. In addition, the sample preparation technology can be used for monitoring the change of the physical properties of the sample in mechanics, thermotics, optics, electricity and the like along with the reduction of the size of the sample from the micron level to the nano level.

The invention relates to the technical field of metal material sample preparation, in particular to a preparation method for extracting carbon replica of steel for a high-carbon wire rod. The method specifically comprises the following steps: S1, preparing a sample; s2, immersing the sample into a nitric acid alcohol solution; s3, placing the sample in a sample chamber of a high-vacuum coating instrument, evaporating a carbon film with the thickness of 10-20 nm on the surface of the sample, and taking out the sample after vacuum is relieved; s4, performing electrolytic film removal by adopting an electrolytic polishing corrosion instrument; s5, after the carbon film falls off, the nitric acid alcohol on the carbon film is cleaned until the absolute ethyl alcohol in the weighing bottle is colorless; s6, the carbon film is transferred into deionized water, after the carbon film is fully unfolded, the carbon film is fished up through a transmission electron microscope and a copper net and placed on filter paper, and the carbon film is tightly attached to the copper net; and S7, baking the carbon film sample adhered to the copper mesh for 30-60 seconds, and placing the dried sample under an electron microscope for observation to complete the preparation of the steel extraction carbon replica sample for the high-carbon wire rod. The method has the advantages of high demolding speed, complete and firm carbon film form, simple configuration and low cost.

The invention provides an immunodetection method of a multi-index immune checkpoint detection kit, which belongs to the technical field of immunodetection and comprises three main stages of sample preparation, immune reaction and data analysis. The method comprises the following steps: firstly, carrying out centrifugal separation to obtain a plasma sample, and preparing a fluorescent microsphere coupled capture antibody and biotin labeled detection antibody compound; then carrying out immune reaction, forming a sandwich type immune complex through specific binding, and adding streptavidin marked by phycoerythrin for signal amplification. Detecting a fluorescence signal by adopting a flow cytometer to obtain an original data matrix; a contribution feature vector, a utility feature vector and an expression feature matrix are extracted through a feature decomposition algorithm, and a deep learning model of a total-score-total structure is established for data analysis. Finally, a detection report containing a quantitative result, an importance score and reliability evaluation is generated, and the technical problem that in the prior art, the analysis accuracy of a multi-index immune checkpoint detection result is insufficient is solved.

The invention relates to the technical field of food quality detection, in particular to a tea oil authenticity identification method based on an in-situ mass spectrum-machine learning coupling technology. Comprising the following steps: S1, preparing a sample; s2, acquiring mass spectrum data; s3, feature extraction: performing dynamic binning processing on the mass spectrum data, extracting feature peak information, and performing time dimension feature aggregation to form an initial feature matrix; s4, data preprocessing; s5, training a machine learning model; and S6, intelligent identification and visual output: inputting the mass spectrum original data of the tea oil sample to be detected into the trained multi-model integrated system, outputting an identification result through weighted voting or an optimal model strategy, and giving a confidence interval to quantify the reliability of the result.

The invention discloses a positive pressure antifouling gamma-ray spectrum automatic monitoring square cabin, and relates to the technical field of nuclear emergency monitoring and square cabins, the positive pressure antifouling gamma-ray spectrum automatic monitoring square cabin comprises a cabin body, a transition cabin is arranged in the cabin body, the transition cabin divides the interior of the cabin body into a sealed measurement cabin and a sample preparation cabin, and one side of the transition cabin is provided with an air-tight door capable of communicating the sealed measurement cabin with the sample preparation cabin; a sample conveying cabin used for allowing a sample to go in and out of the sealed measuring cabin and the sample preparation cabin is arranged on the side, away from the airtight door, of the inner wall of the transition cabin, the cabin body is overall designed into three areas, and the to-be-detected sample treatment area and the electric refrigeration high-purity germanium gamma-ray energy spectrometer are effectively isolated; filtered clean air is continuously introduced into the measurement cabin, the pressure in the sealed measurement cabin is maintained to be greater than the external pressure, the requirements of air cleanliness and positive pressure are ensured, and the background of the surrounding environment of the electric refrigeration high-purity germanium gamma-ray energy spectrometer is prevented from being changed after external radioactive pollution air enters the sealed measurement cabin, so that the measurement is prevented from being influenced.

The invention discloses core cutting and sample preparation equipment for engineering quality detection, which comprises a machine body and further comprises a driving assembly, the top of the machine body is fixedly connected with a workbench, the top of the back surface of the machine body is provided with a driving piece, the front surface of the driving piece is provided with a cutting disc, and the middle of the bottom in the workbench is provided with a driving seat, the driving assembly comprises a driving motor, the driving motor is fixedly connected to the middle of the front face of the workbench and provided with an output shaft, the output shaft of the driving motor is fixedly connected with a first lead screw, and the outer side of the first lead screw is in threaded connection with a first ball nut pair. According to the invention, the negative pressure adsorption plate is arranged to adsorb and fix a sample, and the negative pressure adsorption plate and the rubber clamping plate are both made of energy-absorbing materials, so that the fixed concrete sample can reduce vibration and impact of the cutting equipment in the cutting process, the service life of the equipment is prolonged, and meanwhile, the cutting efficiency is improved. And the stable cutting environment is also beneficial to reducing the abrasion and failure rate of cutting equipment.

The invention provides a rock mineral analysis test management method and system, and the method comprises the steps: collecting rock mineral sample multi-modal data, and constructing a digital twinborn model; constructing a geological knowledge map, and injecting and fusing the two knowledge to generate a virtual test data set; performing self-supervision pre-training by using the data set to obtain a self-adaptive mineral phase recognition model; deploying the model to a block chain-Internet of Things double-chain traceability system to obtain an identification result and an optimization instruction; and executing a sample preparation process and removing unqualified samples. According to the method, diffusion steps are adjusted through adaptive noise scheduling and a space-time alignment algorithm, data are integrated, a high-reality-sense virtual test data set is generated, and a self-supervised pre-training and knowledge distillation technology is combined, so that the model has space-time feature extraction and dynamic optimization capabilities; and finally, full-process closed-loop control is realized through a double-chain traceability system and a modular robot, and the recognition precision of a complex scene is improved.

The invention provides a spinning product elongation at break detection method. The spinning product elongation at break detection method comprises the following steps: a sample preparation and pretreatment step, a sample form measurement step and a mathematical modeling step; a step of calibrating tensile test equipment and setting parameters; a stretching test execution and data acquisition step; calculating and preliminarily analyzing the elongation at break; a stress and strain relation analysis step; a step of data stability analysis; an abnormal value detection and processing step; a step of result comprehensive analysis and report generation; according to the method, accurate analysis of the relationship between the yarn form and the stress and strain is realized, and the accuracy of a test result is improved; stability and abnormal value detection analysis is carried out on the data, so that the reliability and stability of the test data are ensured; and powerful support is provided for performance evaluation and improvement of the yarn. The method has feasibility and practicability, and the efficiency and accuracy of detecting the elongation at break of the spinning product can be remarkably improved.

The invention discloses a molten steel element content on-line detection system based on a laser-induced breakdown spectroscopy technology, and relates to the technical field of molten steel element content on-line detection, the molten steel element content on-line detection system comprises an excitation system, an acquisition system, a data preprocessing module and a component detection module; the excitation system is used for emitting laser to the molten steel surface to generate plasma; the acquisition system is used for collecting signal light radiated by the plasma; the data preprocessing module is used for carrying out baseline correction and noise reduction processing on the collected original spectral signals; and the component detection module comprises an element content prediction model based on a gating specific expert attention network LSEA-Net and is used for carrying out quantitative analysis on the preprocessed spectral data to obtain the element content of the molten steel. The technology has the advantages that sample preparation is not needed, online rapid analysis and multi-element synchronous detection are achieved, and the technology is suitable for the high-temperature environment and the like, and the requirement of a steelmaking site for real-time component detection is met very well.

The invention relates to a partition loading drilling gas extraction dynamic simulation experiment device and method, and belongs to the field of coal mine safety. The device comprises an experiment cylinder body, a loading device and an air supply device. A hole sealing section confining pressure pressurizing device, an extraction section confining pressure pressurizing device and an axial pressurizing device are arranged in the experiment cylinder body, and the influence of coal body elasticoplastic deformation on permeability is truly reflected by accurately distinguishing stress loading of a hole sealing section and stress loading of an extraction section; the method comprises the following steps: analyzing a stress state, formulating an experimental scheme, preparing an experimental sample, simulating a loading experiment and analyzing experimental data. By combining drilling construction simulation and negative pressure extraction testing, gas emission rules and leakage characteristics under different hole sealing materials, processes and extraction parameters are systematically analyzed. The technology can accurately test the gas emission rule and the air leakage characteristic of drill holes with different hole sealing processes and hole sealing parameters under negative pressure extraction, and provides a scientific basis for optimizing the gas extraction process and improving the extraction efficiency.

The invention discloses an in-situ TEM (Transmission Electron Microscope) device sample preparation method based on a suspended thinning and parallel carrying technology, which can be used for preparing in-situ TEM samples of semiconductor two-end devices and three-end devices, and mainly solves the problems of unstable ohm contact, nonuniform thinning, low success rate and high time cost in the prior art. According to the invention, an FIB sample preparation technology is adopted, and stable and reliable ohmic contact between a sample electrode and an MEMS chip electrode is ensured through specific-angle sample extraction, suspended thinning, parallel carrying, circuit breaking treatment and an accurate electrode welding process. According to the sample prepared by the invention, the failure state of a device can be observed in real time under a transmission electron microscope, the sample has the advantages of high sample preparation success rate, good repeatability, stable electrical parameters and wide applicable chip variety, and the reliability and repeatability of in-situ TEM test data are remarkably improved.

The invention provides a U-shaped sample preparation device, and belongs to the technical field of stress corrosion testing, the U-shaped sample preparation device comprises a support seat, a base station and a pressure applying assembly. The base table is fixed on the supporting seat, the base table is provided with an embedding groove, a U-shaped groove and rotating shafts, the U-shaped groove is communicated with the embedding groove, the depth of the U-shaped groove is larger than that of the embedding groove, the extending direction of the embedding groove is perpendicular to that of the U-shaped groove, the rotating shafts are rotationally arranged in the base table, the rotating shafts are located on the two sides of the U-shaped groove, the rotating shafts and the U-shaped groove extend in the same direction, and the rotating shafts penetrate through the junction of the embedding groove and the U-shaped groove; the pressure applying assembly comprises a transmission mechanism and a pressure head, the transmission mechanism is fixed to the supporting base, the pressure head is connected to the transmission mechanism, and the transmission mechanism drives the pressure head to move in the height direction. According to the preparation device disclosed by the invention, two arms of the U-shaped sample formed by pressing and bending can be kept parallel and centered, the surface of the sample is not damaged, and related experimental standard requirements of the U-shaped sample in a stress corrosion experiment are met.

The invention provides a coal rapid sampling and sample preparation detection system and a rapid detection method thereof. The system comprises a sampling module, a feeding and premixing module, a crushing and continuous forming module, a detection belt, a rapid detection module, a shunting and collecting module and a data processing and control center which are connected in sequence, the core of the method is that a divider in a traditional sample preparation process is thoroughly abandoned, and an original coal sample is continuously processed into a compact and flat strip-shaped coal belt at one time by innovatively integrating crushing and high-pressure forming procedures, so that an ideal surface is provided for subsequent nondestructive testing. The method is based on the system, and full-process automation from large-capacity sampling, continuous forming, rapid detection to selective collection is achieved. By simplifying the structure, the cost and the failure rate are remarkably reduced, the flow bottleneck is eliminated, minute-level fast detection is achieved, the detection model is continuously optimized through the homologous sampling detection and feedback learning mechanism, and finally the problems that equipment is redundant, the speed is lagged and the precision is insufficient in the prior art are solved.

The utility model provides a sample rod for detecting the quality of a prepared sample in an in-situ atmosphere and liquid atmosphere experiment, which comprises a sample rod head which is provided with a first chip groove, a second chip groove, a first tabletting assembly and a second tabletting assembly, the second chip groove is located in the first chip groove, the first tablet pressing assembly is used for pressing and fixing the first chip, the second tablet pressing assembly is used for pressing and fixing the second chip, and a tested sample is dripped on the first chip or the second chip; the annular first elastic gasket is arranged in the first chip groove and annularly arranged outside the second chip groove; the second elastic cushion block is arranged in the second chip groove, and the first chip is placed on the annular first elastic gasket and then electrically connected with the second chip; the power supply electrode assembly is arranged on the sample rod head and located at the rear end of the first chip groove, the first chip is electrically connected with the power supply electrode assembly, and the power supply electrode assembly is connected to an external controller of the transmission electron microscope.

A method for processing a sample in a container includes introducing the sample to the container. A cap is applied to the container. The cap contains a plurality of beads. The plurality of beads is mixed with the sample. The plurality of beads is separated from the sample. Subsequent to removing the plurality of beads, a further process is initiated.

The invention discloses an inorganic solid material analysis system and method, and relates to the technical field of material analysis, the inorganic solid material analysis system comprises an oxygen-nitrogen-hydrogen analyzer, a first robot, a second robot, a sample preparation clamp, a sample preparation driving device, a deoiling container, an air blower, a sample disc, a cleaning dust removal assembly and a controller; the first robot can insert one end of a rough blank of a to-be-processed sample into the sample preparation clamp, and the first robot can take out the to-be-analyzed sample from the deoiling container, move the to-be-analyzed sample to the air blower and place the to-be-analyzed sample into the sample disc; the second robot can take out a to-be-analyzed sample from the sample disc and put the to-be-analyzed sample into the oxygen-nitrogen-hydrogen analyzer, the second robot can move away an old crucible on a lower electrode of the oxygen-nitrogen-hydrogen analyzer, and the second robot can move the cleaning and dust removing assembly into a hearth or the lower electrode of the oxygen-nitrogen-hydrogen analyzer; the second robot can place the new crucible on a lower electrode of the oxygen-nitrogen-hydrogen analyzer; according to the invention, manpower can be effectively saved, and personnel safety is ensured.

The food inspection sample preparation device comprises a base, a sample preparation cavity, an upper cover and a crushing assembly, the sample preparation cavity is a cylinder with an inner cavity, the top of the sample preparation cavity is open, the middle of the bottom end of the sample preparation cavity is provided with a conical discharging end with an opening gradually becoming smaller downwards, and the top end of the base is provided with an embedding groove which is of a circular structure and can allow the bottom end of the sample preparation cavity to be embedded and placed; the upper cover is arranged at the top end of the sample preparation cavity in a buckled mode, a motor is arranged in the upper cover, the output end of the motor is connected with a smashing assembly, and a plurality of airflow blowing-in openings are evenly formed in the side wall of the conical discharging end in the circumferential direction. The side wall of the embedded end is provided with communicating ports corresponding to the airflow blowing-in ports in position, an annular air duct communicated with the communicating ports is further arranged in the base, a fan is arranged in the base, and a drawer type powder collecting box is arranged on one side of the outer portion of the base. According to the crushing device, materials can be in full contact with the crushing assembly in the crushing process, and the crushing uniformity and the crushing efficiency are improved.

A system for automated extraction of biological samples from a set of biological samples has a small footprint and minimal movement of consumable sets, thereby reducing potential contamination during the extraction process. The extraction system includes a set of reaction tubes, a storage unit for storing a set of consumables, a sample preparation unit, a sample extraction unit, a waste unit, a plurality of robots for moving the tubes, samples, and cassettes, and a programmable control system programmed to process the samples in a serial mode in which a series of samples are processed sequentially in time one after another, thereby maintaining a continuous mode. Thus, a fixed processing turnaround time for each sample is maintained regardless of when the sample starts processing.

The invention provides a traditional Chinese medicine extract component detection method and system, and relates to the field of traditional Chinese medicine detection. The component detection system for the traditional Chinese medicine extract comprises a sample preparation module used for pretreatment of dissolution and dilution of a sample and treating the traditional Chinese medicine extract sample into a solution state suitable for chromatographic analysis; the multi-dimensional chromatographic separation module comprises a first-dimensional chromatographic column, a second-dimensional chromatographic column, a pump and a sample injector, and is used for effectively separating different components in the complex traditional Chinese medicine extract sample so as to facilitate subsequent detection and analysis. The separation degree of a complex traditional Chinese medicine extract sample can be effectively improved by utilizing the selectivity difference of different chromatographic columns through a multi-dimensional chromatographic separation technology, meanwhile, the analysis time can be shortened and the analysis efficiency can be improved by optimizing the mobile phase composition and the gradient elution procedure, the sample loss can be reduced through multi-dimensional chromatographic separation, and the detection accuracy is improved. And the detection sensitivity and accuracy are improved.

The invention relates to the technical field of adhesives, in particular to a tensile test system for a structural adhesive, which is characterized in that a first sample group and a second sample group are prepared through a sample preparation unit; aiming at a plurality of sample subgroups in the sample group, standard tension test, dynamic tension test and cyclic tension test are respectively carried out through the standard test unit, the dynamic test unit and the cyclic test unit, and the data acquisition unit acquires test data in the tension test process in real time; in addition, the intelligent control unit controls the tension testing machine in the corresponding tension test through the standard tension increasing rate, the dynamic tension increasing rate and the circulating tension increasing rate; the intelligent control unit also controls the temperature of a test environment, and tension tests are carried out under different temperature conditions; the data analysis unit analyzes the tension test data to obtain a tension test result; the intelligent tension test system provided by the invention has high flexibility and adaptability, and can obtain a more accurate tension test result.

The present invention relates to a method for quickly identifying white vaseline from different manufacturers based on silver salt-assisted laser desorption ionization-time of flight mass spectrometry, and belongs to the field of detection. Specifically comprising the following steps: S1, exploring and optimizing metal salt ion conditions, matrix conditions, and sampling methods, and using the optimized experimental conditions for sample preparation; S2, measuring the sample; S3, using eMSTAT Solution software for data analysis to achieve identification of white vaseline from different manufacturers. The method of the present invention replaces traditional organic matrices with silver salts, eliminates background interference, and improves the mass spectrometry signal-to-noise ratio; combines a direct smearing method to avoid complex solvent preparation and extraction, and is easy to operate; applies a mass spectrometer for mass spectrometry acquisition, has accurate molecular weight, reduces the detection time of each sample to 6 seconds, has high analytical throughput, and is low in cost, thereby achieving high-throughput, accurate, and rapid identification of large quantities of white vaseline from different sources.

The invention discloses a method for quantitatively characterizing the adsorption capacity of carboxylate and hydroximic acid on the surface of a mineral, and belongs to the technical field of mineral flotation separation and detection. The invention aims to provide a method which is simple to operate and good in test repeatability, and solves the problem that the adsorption quantity of each reagent after the carboxylate and hydroximic acid combined reagent is used cannot be quantitatively represented in the current mineral flotation separation. The method mainly comprises the following steps: (1) preparing a mineral sample and a combined reagent; (2) interacting the medicament with the mineral; (3) preparing a sample to be detected; (4) establishing a measurement method; and (5) quantitatively characterizing the adsorption capacity of the medicament. According to the quantitative characterization method provided by the invention, the defect that the adsorption capacity of the mineral, the carboxylate and the hydroximic acid combined medicament cannot be quantitatively characterized after the mineral acts is overcome.