120 results about "Elemental analysis" patented technology

The invention discloses a polluted river water nitrogen and phosphorus removal efficiency evaluation system and method based on element analysis, and relates to the technical field of sewage treatment evaluation. An algae growth dynamic model is trained, and the future growth dynamic state of algae is obtained according to future water body data and future environment driving data; the method comprises the following steps: analyzing the interference influence of interference ion concentration on sensor measurement according to future water body data, dynamically simulating the attachment rate and biofilm thickness of algae on the surface of a sensor probe according to future growth of the algae, analyzing the attachment influence of the algae on sensor measurement, and correcting the measurement precision of the sensor according to the interference influence and the attachment influence. According to the corrected sensor data, whether the nitrogen and phosphorus removal efficiency of the polluted river water meets the removal standard or not is evaluated, real-time correction of the sensor data is achieved through interference ion concentration analysis and dynamic simulation of biological adhesion influence, and the accuracy of monitoring data and the scientificity of pollution treatment efficiency evaluation are effectively improved.

The invention relates to the technical field of spectral analysis, and particularly discloses an underwater intelligent detection machine system and method based on laser-induced breakdown spectroscopy, and the system comprises an underwater carrying platform, an orthogonal double-pulse laser-induced breakdown spectroscopy probe, a multi-sensor cooperative sensing module, a mechanical arm, a central control unit and a water surface control station. The method comprises the following steps: a first pulse vertically builds bubbles, and a second pulse parallelly enters the bubbles and is triggered according to delay time; the central control unit maintains a working distance of 1-2cm based on a distance measurement closed loop, and adaptively adjusts delay time and energy in combination with water depth pressure and cavitation feedback; and the water surface control station carries out denoising normalization on the spectrum calibration and carries out element qualitative and quantitative operation to generate an element distribution atlas. According to the method, plasma is excited in a cavitation bubble gas environment through orthogonal double pulses, and in-situ real-time high-sensitivity element detection of an underwater target is realized in combination with distance closed loop and parameter self-adaption.

This application relates to the field of conveyor belt fire technology, and provides a method and system for assessing the fire hazard of conveyor belts based on surface elemental analysis. In this method, the degradation degree index of the target conveyor belt is calculated by analyzing the changes in the content of surface constituent elements over wear time. Once the degradation degree index passes reliability verification, a constructed degradation-combustion prediction model is used to calculate the fire risk index of the target conveyor belt over wear time. This avoids interference from environmental factors such as underground dust and humidity in traditional assessment methods, enabling full life-cycle assessment and diagnosis of conveyor belts under different wear states before a fire occurs, overcoming the lag in traditional early warning methods.

Reference materials with increased lithium content for direct elemental analyses, wherein the glass contains 55 to 75 wt.% SiO2, 7 to 15 wt.% Na2O, 6 to 15 wt.% CaO, up to 3.5 wt.% AI2O3, up to 3.5 wt.% K2O, and up to 12 wt.% Li2O, and the value of the relative standard deviation (RSD) of homogeneous element distribution in the glass, determined by inductively coupled plasma mass spectrometry combined with laser ablation (LA-ICP-MS), is less than or equal to 5%.

The present invention relates to a process for binding carbon dioxide to a waste building material 10, wherein the reaction is carried out in a carbonation reactor 20, wherein a waste building material 10 is fed to the carbonation reactor 20, wherein a carbon dioxide-containing gas 30 is fed to the carbonation reactor 20, and wherein a carbonation product 50 is discharged from the carbonation reactor 20, characterized in that the alkaline earth content of the waste building material 10 fed to the carbonation reactor 20 and / or of the carbonation product 50 discharged from the carbonation reactor 20 is determined by means of elemental analysis 60, wherein the degree of carbonation C of the carbonation product 50 is determined by IR spectroscopy, and wherein a carbonation degree limit value Cmax is set.wherein if the carbonation degree limit Cmax is undershot, the supply of the waste material 10 to the carbonation reactor 20 is reduced and / or the supply of the carbon dioxide-containing gas 30 to the carbonation reactor 20 is increased, wherein if the carbonation degree limit Cmax is exceeded, the supply of the waste material 10 to the carbonation reactor 20 is increased and / or the supply of the carbon dioxide-containing gas 30 to the carbonation reactor 20 is reduced.

The present invention provides a method for selecting an inorganic filler, which can select an inorganic filler suitable for use in combination with a silane coupling agent using a functional group present on the filler surface as an index, and a method for producing a surface-treated inorganic filler and a method for producing a composite material using the selected inorganic filler. [Solution] The method for selecting an inorganic filler is a method for selecting an inorganic filler having a hydroxyl group, and includes the steps of: reacting the inorganic filler having a hydroxyl group with a trimethylsilylating agent to obtain an inorganic filler having a trimethylsilyl group; measuring the carbon concentration in the inorganic filler having a trimethylsilyl group by elemental analysis and calculating the concentration A of trimethylsilylated hydroxyl groups in the inorganic filler having a trimethylsilyl group based on the carbon concentration; and selecting an inorganic filler having a hydroxyl group based on the hydroxyl group concentration A.

The present invention relates to the field of radioactivity-based elemental analysis, and in particular to an elemental analysis system, method and apparatus, and a program product. The elemental analysis system comprises: an X-ray scanning device comprising an X-ray source and a detector array and configured to perform dual-energy X-ray scanning on materials; a prompt gamma neutron activation analysis device mounted downstream of the X-ray scanning device in a material transfer direction; and a control apparatus configured to calculate, on the basis of the sizes, mass attenuation coefficients and densities of materials at various positions obtained by means of the X-ray scanning, a self-adsorption correction coefficient to correct a gamma spectrum. The elemental analysis system, method and apparatus, and the program product of the present application can improve the calculation accuracy of the correction coefficient, thereby improving the measurement precision of elemental analysis.

1. Name of the product in this design: Elemental Analyzer. 2. Application of this design: It is used for measuring the carbon, hydrogen, and nitrogen content in solid and liquid samples (including urea) in fields such as power, coal, metallurgy, petrochemicals, coal chemicals, environmental protection, cement, papermaking, geological exploration, scientific research institutes, and solid and hazardous waste. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The utility model discloses a kind of crucible replacement devices, including lifting datum plate, translation datum plate and crucible seat, sample sending sealing seat is equipped on the crucible seat, sample sending sealing seat is equipped on the sample sending rod, the top of the sample sending rod is equipped with the load-bearing platform for carrying crucible, the crucible seat is moved and arranged on translation datum plate along horizontal direction, translation datum plate is moved and arranged on lifting datum plate along vertical direction, and the lifting datum plate is used to be fixedly connected with the high-temperature furnace of elemental analyzer.The utility model further discloses a kind of elemental analyzer.The utility model has the advantages of simple structure and low failure rate.

The invention relates to an imaging elemental analyzer for imaging one or more analyte elements in an organic sample, wherein the analyzer comprises: a chamber for receiving an organic sample containing one or more analyte elements to be imaged, wherein the internal chamber pressure surrounding the sample is in the range of 10 -5 up to 10 -2mbar; at least one irradiant selected from: (i) an ion gun for irradiating the sample with a high-intensity primary ion beam, wherein the primary ions are generated in the ion gun at a pressure below 1 mbar, the ion gun serving to focus the primary ion beam onto a localized spot on the sample surface and to move the spot over time to a plurality of locations on the sample surface; (ii) a laser for irradiating a localized spot on the sample surface and to move the spot over time to a plurality of locations on the sample surface; a gas-filled RF ion guide for receiving the generated ions, comprising the elements released from the sample in response to irradiation by the primary ions or the laser, wherein the RF ion guide prevents the propagation of any ions whose m / z values ​​are less than the mass or mass range of the analyte elements;and a time-of-flight (TOF) mass analyzer for recording the ions or reaction products of the secondary ions formed from the RF ion guidance, wherein the TOF mass analyzer is configured for a repetition rate of at least 5 kHz. The invention also relates to a corresponding method and a corresponding device for imaging one or more inorganic, non-volatile elements.

In order to enable a dust filter to be replaced appropriately, irrespective of the skill level of a user, provided is a filter unit which is provided on a lead-out flow path through which a mixed gas composed of a carrier gas and a sample gas is led out from a heating furnace, the filter unit comprising: a filter element that collects dust in the mixed gas; an upstream-side holder and a downstream-side holder that face each other with the filter element interposed therebetween; and a fixing mechanism that fixes the filter element in a state where the upstream-side holder and the downstream-side holder hold the filter element therebetween. The fixing mechanism has an engaged part provided to either the upstream-side holder or the downstream-side holder, and a hook part that is provided to the other of the upstream-side holder and the downstream-side holder and that engages with the engaged part. The fixing mechanism fixes the upstream-side holder and the downstream-side holder by causing the hook part to engage with the engaged part.

The invention relates to a sample pretreatment method for chromite microelement analysis. The method comprises the following steps: firstly, treating a sample to specific particle size distribution (Dv (50) lt, 5 [mu] m, Dv (90) lt, 20 [mu] m) through physical accurate grinding, and then adopting an improved two-step acid dissolution and digestion process: firstly, destroying main crystal lattices of minerals by using mixed acid, then, carrying out targeted dissolution on a residual insoluble phase by using aqua regia, and finally, carrying out chlorine removal treatment to obtain a solution to be detected. Through the synergistic effect of physical accurate grinding and secondary acid dissolution, almost complete decomposition of chromite is achieved, especially the extraction efficiency of key indissolvable elements such as Sc and Zn is improved by 20% or above, the accuracy and precision of ICP-MS analysis results are remarkably improved, and the problem that microelement measured value systematicness is low due to incomplete dissolution in a traditional method is solved.

Provided is a method for producing a copper-clad laminate in which a copper foil and a resin are joined with high heat-resistant adhesion even if a fluororesin belonging to a low dielectric constant thermoplastic resin is used. The method includes a step of preparing a surface-treated copper foil having a copper foil and a zinc-containing layer provided on at least one side of the copper foil, and a step of obtaining a copper-clad laminate by attaching a sheet-shaped fluororesin to the zinc-containing layer side of the surface-treated copper foil, thereby obtaining a copper-clad laminate. The zinc-containing layer is composed of Zn and a transition element M having a melting point of 1200°C or higher. When the interface between the copper foil and the zinc-containing layer is subjected to elemental analysis by X-ray photoelectron spectroscopy (XPS), the content of Zn is 10% by weight or less, and the weight ratio of the content ratio of Zn to the content of the transition element M, i.e., Zn / M, is 0.2 or more and 0.6 or less.

The application relates to a high gravity-microwave assisted concentration device for water solution element analysis, which comprises an inner cavity, an outer cavity, a heat exchanger and a condensed liquid storage tank; a microwave generator is arranged in the inner cavity, an air inlet is arranged on the side wall, a flow guide plate is fixed on the inner side wall and can be rotated around the fixed shaft as the center, the microwave generator is arranged on the upper wall of the inner cavity and is close to the upper wall, a concentrated liquid discharge port is arranged at the bottom of the inner cavity, the outer cavity is fixed on the outer side of the inner cavity and completely wraps the inner cavity to form a sealed environment, a gap of 4cm-15cm is arranged between the outer cavity and the inner cavity, an inert gas pipeline connected with inert gas is fixed on the top of the outer cavity, and the bottom is connected with the concentrated liquid storage tank; one end of the heat exchanger is connected with the feeding port, the other end is connected with high-temperature steam of volatile liquid separated from the mixed fluid, and the bottom is connected with the condensed liquid storage tank. The device can shorten the concentration time and improve the concentration efficiency.

Provided is a multilayer structure in which a vapor-deposited film (X) including a vinyl alcohol-based polymer layer (A) and a vapor-deposited layer (B) made of silicon oxide or a metal oxide, and a polyolefin layer (C) are laminated, wherein when the vinyl alcohol-based polymer layer (A)-side surface of the vapor-deposited layer (B) is referred to as surface (b1) and the reverse surface of the vapor-deposited layer (B) is referred to as surface (b2), the ratio [(O / M)b1 / (O / M)c] of the molar ratio (O / M)b1 of oxygen element (O) to silicon element or metal element (M) in surface (b1) to the molar ratio (O / M)c of oxygen element (O) to silicon element or metal element (M) at a position equidistant from surface (b1) and surface (b2) is 1.1-1.7 as determined from an elemental analysis performed for the vapor-deposited layer (B) in the depth direction from surface (b2) to surface (b1) by a scanning X-ray photoelectron spectroscopic analyzer, and the proportion in thickness of the polyolefin layer is 75% or more. Accordingly, a multilayer structure containing a vapor-deposited film having excellent gas barrier properties and flex resistance is provided.

The invention discloses an element analyzer reaction tube automatic cleaning and filling instrument, and particularly relates to the technical field of reaction tube automatic cleaning and filling, the element analyzer reaction tube automatic cleaning and filling instrument comprises an operation table, a reaction tube cleaning station and a reaction tube filling station which are arranged above the operation table, and a waste bin arranged below an operation table frame, the weighing sensor is arranged in the reaction tube cleaning station, the pressure sensor is arranged in the reaction tube filling station, and the vacuum pump is arranged in the waste bin; the weighing sensor and the pressure sensor are connected with a control module through signals, and the control module controls the power load rate of the vacuum pump according to the residue weight, detected by the weighing sensor, of the inner wall of the reaction tube and whether the pressure sensor detects the bottom surface pressure increase of the vibration table or not. Cleanness control over the reaction tube cleaning and filling process is achieved, and therefore the reaction tube cleaning effect and the reaction tube filling precision are ensured.

The present invention relates to the field of radioactivity-based elemental analysis, and more particularly, to an elemental analysis system, method and apparatus, and a program product, the elemental analysis system comprising: an X-ray scanning device comprising an X-ray source and a detector array for performing dual-energy X-ray scanning on a material; the instant gamma neutron activation analysis equipment is arranged on the downstream of the X-ray scanning equipment in the material transmission direction; and the control device is used for calculating a self-absorption correction coefficient based on the size, the mass attenuation coefficient and the density of the material at each position obtained by the X-ray scanning, and correcting the gamma-ray energy spectrum. By means of the elemental analysis system, method and device and the program product, the calculation accuracy of the correction coefficient can be improved, and therefore the elemental analysis detection precision is improved.

The invention discloses a sample transportation device for an elemental analyzer, and the sample transportation device for the elemental analyzer comprises a mounting rack which is provided with a sample placing disc; the clamping assembly is installed on the installation frame in a lifting mode and located above the sample containing disc, the clamping assembly is used for clamping the storage box, the storage box comprises a box body and a base, the box body is provided with a discharging port, the base is rotatably connected with the box body, and when the discharging port is sealed and covered by the base, a storage space is defined by the base and the box body; one side, facing the storage space, of the base is suitable for placing samples; wherein the mounting frame is provided with a turning cover baffle, the turning cover baffle is located between the clamping piece and the sample placing disc, and when the clamping assembly drives the storage box to descend till the base abuts against the turning cover baffle, the turning cover baffle is used for pushing the base to rotate relative to the box body so that the sample can fall into the sample placing disc. According to the sample transportation device for the elemental analyzer, the accuracy of subsequent sample detection can be improved.

The invention discloses a method for identifying the producing area of saffron crocus by extracting saffron crocus aldehyde and measuring the stable isotope ratio of the saffron crocus aldehyde. The invention discloses a method for extracting crocetin from saffron crocus and measuring the stable isotope ratio of carbon to hydrogen to oxygen. The method comprises the following steps: S1, determining the stable isotope ratio of carbon to hydrogen to oxygen of a crocetin standard substance by using an elemental analysis-stable isotope mass spectrometer; s2, extracting crocus sativus aldehyde from the crocus sativus sample to obtain a crocus sativus aldehyde extracting solution; s3, determining the carbon, hydrogen and oxygen stable isotope ratio of crocetin in the crocetin extracting solution by using a gas chromatography-stable isotope mass spectrometer; and S4, calibrating the carbon, hydrogen and oxygen stable isotope ratio of crocetin in the crocetin extracting solution by adopting the carbon, hydrogen and oxygen stable isotope ratio of the crocetin standard substance. The standard substance is used for calibrating the stable isotope ratio of carbon, hydrogen and oxygen of the single compound crocetin, and the method can be used for identifying the producing area of crocetin.

The invention relates to a method for analyzing carbon content in a liquid biological sample and a carbon content element analyzer. The method comprises the following steps: unfreezing the biological sample to a liquid state; transferring the biological sample into a glove box; a tin cup is taken to be heated, and the tin cup is put into a glove box after being heated; a biological sample is taken and placed in a tin cup, and the mass of the biological sample in the tin cup is weighed; sealing the opening of the tin cup; the tin cup is moved to a sample disc of an element analyzer, the biological sample is subjected to high-temperature oxidation in the element analyzer to generate corresponding gas, the gas is dried and then subjected to carbon content analysis, the carbon content in the biological sample is obtained, and in the drying process, the mixture is adopted as a drying agent for drying. The drying tube is arranged in the elemental analyzer, the drying agent is optimized, the sample quality is controlled, the influence of moisture on carbon content analysis is reduced, the sample does not need pretreatment such as freeze-drying, and the sample pretreatment time is saved.

The invention discloses a gem and jade output and mineralization condition analysis method, and relates to the technical field of mineral exploration and mineral spectroscopy analysis. The method comprises the following steps: grading and sampling primary ore and secondary ore; performing high-pressure closed digestion and element analysis to obtain the content of a target element; calculating chemical mineralization indexes, establishing a spectrum and diffraction spectrum library, and extracting a characteristic peak area ratio as a spectroscopic standard variable; acquiring a cathode luminescence image and a spectrum and determining an intensity ratio; integrating a chemical metallogenic index, a spectroscopic standard variable, a cathode luminescence intensity ratio and a regional geological variable into a target feature vector, and modeling based on a machine learning model and an interpretation algorithm to obtain a metallogenic analysis model; and outputting a mineralization probability index and performing grading judgment according to a threshold value. According to the method, through multi-source geology-geochemistry-spectroscopy information fusion and machine learning modeling, the accuracy and efficiency of gem and jade metallogenic condition recognition and prospective area / target area judgment are improved.

This invention discloses a method for constructing a macromolecular model of Hami oil-rich coal and its application. The molecular formula and functional group characteristics of the coal sample are determined through elemental analysis and infrared spectroscopy. A planar structural model is constructed using the Wiser model framework, and a stable configuration is obtained after geometric optimization. Finally, a pyrolysis reaction model containing multiple molecules is constructed through stacking. Targeting the high-oxygen and high-cycloalkane structural characteristics of Hami oil-rich coal, a C1... 128 H 82 NO 16 and C 111 H 88 NO 28 Two precise models were used, and the accuracy of the calculated infrared spectra was verified by comparing them with experimental spectra. ReaxFF molecular dynamics simulations were performed using this model, revealing the influence of different heating rates and pyrolysis temperatures on product distribution. The optimal simulation temperature and critical values ​​for pyrolysis rate control were determined, and the difference in ethylene formation pathways between alkyl-rich coal and ether-rich coal was analyzed. This invention fills the gap in precise models for Hami oil-rich coal, providing key theoretical basis and parameter guidance for optimizing pyrolysis processes, achieving targeted regulation, and improving energy efficiency.

The utility model provides a portable XRF (X-ray fluorescence) sample detection device, which relates to the technical field of elemental analysis equipment and comprises an XRF sample detector body, one end of the bottom of the XRF sample detector body is fixedly connected with a first connecting lug, one end of the XRF sample detector body is provided with a first protective groove, the inside of the first protective groove is fixedly connected with a detection lens, and the XRF sample detector body is provided with a second connecting lug. First mounting grooves are formed in the two sides of one end of the XRF sample detector body, and a detection lens is fixedly connected to the interior of each first protection groove. According to the portable XRF sample detection device disclosed by the utility model, after detection is finished, the protective cover is sleeved on the surface of one end of the XRF sample detection device body again, and the pulling block is pulled downwards to enable the protective plate to cover the screen, so that the portable XRF sample detection device can be used for protecting the detection lens and the screen, and the phenomenon that the detection lens is damaged when the portable XRF sample detection device is not used is avoided; and detecting that the lens and the screen are accidentally scratched.

The invention discloses a grade estimation method for associated cobalt in skarn type iron ore. The method comprises the following steps: collecting a sample, analyzing element content, and storing an analysis result into a data set; preprocessing the analysis data; element correlation analysis is carried out, and strong correlation elements are selected; a linear fitting formula between the cobalt grade and the strong correlation element grade is obtained, a residual sum of squares and a decision coefficient between a linear fitting line and the strong correlation element grade data point are calculated, the residual sum of squares is minimized, the closer the decision coefficient is to 1, the optimal linear fitting formula in the strong correlation element grade variable range is selected, and the optimal linear fitting formula is calculated; taking as a cobalt grade estimation formula; and estimating the cobalt grade of the main ore body through a cobalt grade estimation formula. According to the method, accurate estimation of the cobalt element grade in the mining area is realized, and basic data is provided for spatial distribution and grade grading of cobalt elements in the mining area.

The invention relates to a sample pretreatment method for pyrite elemental analysis. The method comprises the following steps: firstly, preparing a pretreatment agent: activating the surface of carboxymethyl chitosan by NHS / EDC, and then reacting with ethanolamine phosphate; secondly, a pyrite sample is taken and smashed into particles, the particles, NaOH, NaNO3 and a pretreatment agent are fully ground into powder, then the temperature is increased to 180-250 DEG C and then increased to 350-450 DEG C for heat preservation, sintered solids are transferred into a beaker, a hot nitric acid solution is added, the solids are dissolved through ultrasonic treatment, the solids are filtered into a volumetric flask after being cooled, and a to-be-tested sample is obtained after the volume is fixed through dilute nitric acid; according to the treatment method, use of a large amount of concentrated acid and perchloric acid is avoided, the reagent dosage is small, and environment friendliness is achieved; the recovery rate of 95% or above can be ensured when the treated sample is measured by instruments such as ICP-MS, the maximum RSD value does not exceed 5% compared with a standard value, and the accuracy is good.

The invention discloses a method for rapidly evaluating the stability of a soil organic carbon library. The method comprises the following steps: firstly, carrying out standard pretreatment on a soil sample; carrying out particle size grading on the pretreated standardized sample through a physical method, separating out organic carbon components fPOM, cPOM and MAOM, respectively collecting each component and removing inorganic carbon in each component; all the components are dried and ground; standard sample packaging is conducted on all the components, the components are sent into an element analyzer to be detected and analyzed, and the organic carbon content measured by all the components is obtained; calculating the stability index of the organic carbon library, and evaluating the stability. According to the method, a quantitative carbon library stability evaluation model is constructed, the operation is simple, the cost is low, a closed loop is formed by separation-detection-evaluation, and a powerful technical tool is provided for rapid and accurate evaluation of the soil carbon sink function under the carbon neutralization background.

To provide silica particles having a dielectric loss tangent of 0.002 or less at a frequency of 1 GHz.SOLUTION: Silica particles and a dispersion thereof having a dielectric loss tangent of 0.002 or less at a frequency of 1 GHz satisfy the following conditions: (i) an average primary particle diameter of 5 nm to 120 nm; (ii) a content of polyvalent metal element M in a molar ratio of M / Si from 0.00001 to 0.002; and (iii) an amorphous structure. In preferred embodiments, the particles further satisfy either (iv) a carbon content of less than 0.1 mass% and a hydrogen content of 0.001 mass% to 0.1 mass% as measured by CHN elemental analysis, or (v) a carbon content of 0.1 mass% or more and a hydrogen content of 0.01 mass% to 10 mass% as measured by CHN elemental analysis.SELECTED DRAWING: Figure 1

This invention relates to a hydride generation gaseous sample introduction method and apparatus for heavy metal element determination in conjunction with a liquid cathode glow discharge-atomic emission spectrometer, belonging to the field of atomic spectroscopy metal element analysis technology. This invention uses chemically generated carbon dioxide gas as a carrier gas, which is then used as the atmosphere gas in the liquid cathode glow discharge to ionize and generate micro-plasma. The chemical hydride generation method converts the applicable analyte element into a hydride, which is then carried into the micro-plasma by the carbon dioxide carrier gas, atomized, and excited to generate an emission spectrum.

The utility model discloses an instrument for quantitatively calibrating active functional groups of humic acid and fulvic acid, which relates to the technical field of chemical component analysis and comprises an element analyzer, two test bottles are arranged in the element analyzer, the right surface of the element analyzer is fixedly connected with a fixed block, the upper surface of the fixed block is movably clamped with a connecting block, and the upper surface of the connecting block is fixedly connected with the element analyzer. A connecting frame is fixedly connected to the upper surface of a connecting block, two limiting blocks connected to the lead screw in a sleeving mode move relatively under the action of threads by rotating the lead screw, the two limiting blocks drive fixed clamping plates to move together in the relative moving process, and at the moment, the two clamping plates can clamp and fix a test bottle; the sample is accurately located at the optimal position detected by an instrument, stable conditions of a detection light path, electrode contact and the like are ensured, accurate positions of an image spectrum analysis element analyzer and a test bottle can ensure that a light source accurately irradiates the sample, a detector can receive stable and accurate spectrum signals, and accurate analysis of related elements of active functional groups is facilitated.

In a vapor-deposited film (X) in which a vapor-deposited layer (B) having a thickness of 30-200 nm and formed of silicon oxide or a metal oxide is directly formed on the surface of an ethylene-vinyl alcohol copolymer layer (A), when the surface of the vapor-deposited layer (B) on the ethylene-vinyl alcohol copolymer layer (A) side is defined as a surface (b1), the surface on the reverse side of the vapor-deposited layer (B) is defined as a surface (b2), and elemental analysis of the vapor-deposited layer (B) is performed in the depth direction by a scanning X-ray photoelectron spectroscopic analyzer from the surface (b2) to the surface (b1), the ratio [(O / M)b1 / (O / M)c] of the molar ratio (O / M)b1 of an oxygen element (O) to a silicon element or a metal element (M) in the surface (b1) to the molar ratio (O / M)c of the oxygen element (O) to the silicon element or the metal element (M) at a position equidistant from the surface (b1) and the surface (b2) is 1.1-1.7. Consequently, provided is a vapor-deposited film having excellent gas barrier properties, bending resistance, and radio wave transmitting properties.