53 results about "Ion selective electrode" patented technology

The invention discloses an ancient tree health state monitoring method based on digital twinning, and relates to the field of ancient tree health monitoring, and the method comprises the steps: collecting point cloud data and texture data of an ancient tree, and constructing an initial three-dimensional model of the ancient tree; a micro ion selective electrode array is deployed in an ancient tree root distribution area, Ca2 and K + ion flow velocity changes are detected through a constant potential rectifier, and the mycorrhizal symbiosis index is calculated in combination with soil temperature and humidity data; uploading the mycorrhizal symbiosis index to a digital twinborn body, and displaying the active state of a root system area in an initial three-dimensional model of the ancient tree in a three-dimensional thermodynamic diagram form; a 16-channel MOX gas sensor electronic nose array is installed on the surface of a trunk of an ancient tree, and volatile organic compound (VOC) concentration data of the ancient tree are collected. According to the invention, a micro electrode array with a 45-degree inclination angle is adopted to non-destructively monitor the ion flow velocity of a root system through the mycorrhizal symbiosis index detection unit, and a three-dimensional thermodynamic diagram is generated in combination with an inverse distance weighted interpolation algorithm, so that dynamic visualization of underground mycorrhizal activity is realized.

The invention discloses an anionic surfactant and a preparation method and application thereof.The anionic surfactant has a double-wedge-shaped molecular structure, alkaline earth metal benzene sulfonate serves as a polar hydrophilic wedge tip, a long-chain alkoxy flexible chain segment serves as a hydrophobic wedge group, the surface tension of water can be remarkably reduced in an aqueous solution, and the anionic surfactant has excellent emulsifying capacity. The molecular structure is based on alkaline earth metal benzene sulfonate and has good thermotropic and lyotropic liquid crystallinity, the liquid crystal phase temperature range of the molecular structure exceeds 140 DEG C, and the phase transition temperature and the mesogenic state temperature range can be controlled by adjusting the number of carbon atoms of an alkoxy substituent. When in a mesogenic state, the molecules can form a supramolecular columnar phase through self-assembly aggregation, and the columnar structure can form a transmission channel with ion recognition in the column center direction. By utilizing the characteristic, a novel bionic ion selective conduction membrane can be constructed, and the biomimetic ion selective conduction membrane has wide application potential in the aspects of preparation of ion selective electrodes and chemical sensors and the like.

The invention relates to a method for simultaneously detecting fluorine and chlorine contents in lead concentrate by an ion selective electrode method, and belongs to the technical field of new material detection, and the method specifically comprises the following steps: (1) preparing a sample into a to-be-detected solution; (2) preparing a fluorine ion electrode standard solution and a chloride ion electrode standard solution; (3) calibrating a fluorine ion standard solution and a chloride ion standard solution; and (4) sample determination and data processing. According to the combined measurement method provided by the invention, through a layered coverage method, optimization of the ratio of potassium hydroxide to potassium nitrate and gradient temperature rise, on the premise of ensuring data quality, an accurate result is conveniently obtained; compared with a fluorine or chlorine testing method commonly used in the market, the method is short in time consumption, simple in equipment and accurate in data; in addition, the combined detection method provided by the invention breaks through the pH limit of traditional single ion detection, and provides a reliable solution for synchronous determination of fluorine and chlorine in a complex matrix sample.

The application relates to the field of electrochemistry, in particular to a method for determining ion concentration based on a double electrolytic cell ion selective electrode, which comprises the following steps: using a poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonic acid) modified glassy carbon electrode or a reduced graphene oxide modified glassy carbon electrode as a working electrode, using a full solid-state ion selective electrode as a reference electrode, and using a platinum wire electrode as a counter electrode; inserting the working electrode and the counter electrode into a test electrolytic cell, inserting the reference electrode into a sample electrolytic cell, connecting the test electrolytic cell and the sample electrolytic cell through Ag / AgCl as a salt bridge, and determining the ion concentration in a to-be-measured solution by adopting a constant potential coulomb analysis method. The technical scheme of the application can minimize the current response time while ensuring the accuracy of ion concentration determination, realizes rapid measurement of ion concentration, and can be applied to detection of ion concentration in human serum.

This invention discloses an anion-selective electrode, its preparation method, and its application. The anion-selective electrode consists of two electrodes with different loading amounts, each on a conductive substrate loaded with a metal / a sparingly soluble metal salt. The preparation method involves first depositing a large amount of metal on a conductive substrate, then using it as the anode and electrolyzing it for a long time in an anion solution containing anions capable of forming the sparingly soluble metal salt, resulting in an electrode composed of a large amount of metal and its sparingly soluble salt. Then, a small amount of metal is deposited on another conductive substrate, which is then used as the anode and electrolyzed for a short time in the same anion solution, resulting in an electrode composed of a small amount of metal and its sparingly soluble salt. The two electrodes form an electrode pair. The selective electrode of this invention consists of a pair of electrodes, exhibiting uniform size, high specific surface area, and abundant active sites. Compared with traditional electrodes, it is smaller in size. The preparation method is simple and reliable. When applied to fields such as anion detection, it demonstrates high selectivity and sensitivity, making it suitable for widespread application.

The invention relates to the technical field of inorganic salt mother liquor treatment, in particular to an inorganic salt mother liquor recycling system based on MVR evaporative crystallization, which comprises three groups of sedimentation tanks and separation cylinders fixedly communicated with the bottoms of the sedimentation tanks, stirring components and sealing conical seats are arranged in the separation cylinders, and the tops of the sedimentation tanks are connected with liquid storage hoppers through liquid inlet pipes. An electromagnetic control valve is arranged on the liquid inlet pipe, and a calcium hydroxide solution, a sodium carbonate solution and a barium chloride solution are sequentially arranged in the multiple liquid storage hoppers from left to right; through staged treatment of the three groups of sedimentation tanks, the ion selective electrode sensor and the controller are combined to precisely add corresponding agents, the hetero ions are removed step by step in a targeted manner, and the subsequent progressive deep purification treatment is matched, so that a high-quality water quality basis is provided for efficient recycling of the mother liquor; and the problems of crystal quality reduction, equipment scaling and the like caused by hetero-ion enrichment are effectively avoided.

The application discloses a hemodialysis machine dialysate potassium ion real-time automatic regulation system and belongs to the technical field of medical equipment, which solves the problem of how to accurately regulate the potassium ion concentration in the dialysate of a hemodialysis machine. The man-machine interface of the host computer mainly comprises blood potassium concentration display, regulation system function selection and lower computer function setting functions. The lower computer controller mainly completes the cooperative control of the clamping valve and the peristaltic pump, realizes the function control of the electrode, and, combined with the real-time optimal regulation strategy solved by the nonlinear MPC control algorithm, realizes the switching selection of dialysate with different potassium ion concentrations by electromagnetic valve driving control. The ion selective electrode is adopted to realize the real-time sampling detection of the potassium ion concentration in blood, and the control of the peristaltic pump and the rotary clamping valve is combined to realize the calibration, cleaning and activation of the electrode. The application realizes the real-time switching of dialysate with different potassium ion concentrations and completes the accurate regulation of dialysate with different potassium ion concentrations in the dialysis process.

The invention discloses a maintenance-free online measurement system and method for key parameters of desulfurization slurry of a power plant, an outlet of a desulfurization slurry pipeline is divided into two paths after passing through a desulfurization slurry electromagnetic valve, one path is communicated with an inlet of a ceramic membrane filter, and the other path is communicated with a flushing water pipeline through a conventional flushing water electromagnetic valve; the flushing water pipeline is communicated with a water outlet of the ceramic membrane filter through the backwashing water electromagnetic valve, the water outlet of the ceramic membrane filter is communicated with an inlet of the chloride ion flow cell, and a water outlet of the chloride ion flow cell is communicated with an inlet of the pH flow cell; the pH flow cell is internally provided with a pH selective electrode, the chloride ion flow cell is internally provided with a chloride ion selective electrode, the system and the method can realize real-time measurement of chloride ions and pH of slurry, and the accuracy and the stability are relatively high.

The utility model provides an ion selective electrode structure, which comprises a shell, a plurality of holes are arranged at one end of the shell, the outer surface of one end of the shell is communicated with the inner surface of one end of the shell through the plurality of holes, and the diameter of each hole is 0.1 mm-0. 8mm; and the ion-selective membrane is cured and formed at one end, provided with the multiple holes, of the shell, and the ion-selective membrane covers and is embedded into the multiple holes so as to be exposed to the outer side of the ion-selective electrode structure through the holes. According to the utility model, liquid leakage can be reliably prevented, and the sealing effect is better.

The present application relates to the field of plant factory water culture, and specifically discloses a kind of plant factory three-dimensional cultivation automatic liquid supply equipment and hierarchical compensation control method, including independent liquid supply unit, comprising: a pneumatic sensing assembly, with a closed flexible sensing capsule inside encapsulating low-boiling working medium, the sensing capsule is configured to respond to the microenvironment humidity change caused by crop transpiration in the cultivation layer. The plant factory three-dimensional cultivation automatic liquid supply equipment and hierarchical compensation control method, through the mechanical combination of transpiration-condensation sensing capsule and nonlinear cam differential proportional valve, realizes the passive, real-time, independent compensation of the different water and fertilizer requirements of each layer of three-dimensional cultivation, and gets rid of the dependence on expensive and frequently maintained online ion selective electrode.

The invention relates to a method for accurately determining the content of calcium fluoride in calcium fluoride sludge, and belongs to the technical field of industrial waste component analysis. The method comprises the following steps: firstly, carrying out first-step dissolution on a treated sludge sample by using a hot hydrochloric acid-acetic acid solution under ultrasonic assistance so as to selectively remove interference impurities such as calcium sulfate and calcium phosphate to obtain a first filtrate; then, the insoluble substances are subjected to second-step boiling dissolution with a hydrochloric acid-sulfuric acid-boric acid solution, so that the main body calcium fluoride is thoroughly leached out, and second filtrate is obtained; respectively fixing the volumes of the two filtrates, determining the content of fluorine ions in the first detection solution by adopting an ion selective electrode method, and determining the content of calcium ions in the second detection solution by adopting an EDTA titration method. Finally, through a calculation formula integrating measured data of fluorine ions and calcium ions, the calcium fluoride loss in the pretreatment process is automatically corrected, and therefore the content of calcium fluoride in the calcium fluoride sludge is accurately calculated. The method effectively solves the problem that the determination result is virtually high due to impurity interference in the existing national standard method, and has the advantages of high accuracy and strong practicability.

The application discloses a kind of full solid-state calcium ion selective electrode based on high hydrophobic copper sulfide and its preparation method and application.It includes the transduction layer coated on the surface of electrode, the preparation of the material of transduction layer includes: copper source, CTAB is dissolved into anhydrous ethanol, then sulfur powder is added, and the mixture is uniformly dispersed by ultrasonic;The material of transduction layer is obtained by carrying out solvothermal reaction to the mixed solution and post-treatment to the reaction precipitate.The application adopts one-step solvothermal method to control CuS by adding different amounts of CTAB surface hydrophobicity, prepares different nano-structure CuS-CTAB as transduction layer modification to glassy carbon electrode surface, and constructs calcium ion selective membrane on its surface to build calcium ion selective electrode with CuS-CTAB as transduction layer.CuS-CTAB has large specific capacitance and excellent hydrophobicity, and as transduction layer, it can accelerate the ion-electron conduction rate, inhibit the formation of interface water layer, and improve the stability of electrode potential.

The application discloses a high-sensitivity ammonium ion electrochemical sensor and application thereof, and belongs to the technical field of electrochemical sensors.The electrochemical sensor comprises a full-solid-state ammonium ion selective electrode, the electrode comprises an electrically conductive base, a solid-state contact layer and an ammonium ion sensitive film arranged in sequence, the electrically conductive base is a silk screen printed carbon electrode with copper nanoparticles on the surface; the solid-state contact layer is composed of a polyaniline and reduced graphene oxide composite; and the composition of the ammonium ion sensitive film comprises polydopamine and an ammonium ion carrier.The characteristics of the above-mentioned modified materials expand the linear detection range of the sensor to ammonium ions, improve the sensitivity, and can sensitively detect 10 ‑7 ~ 10 ‑1 M ammonium ion concentrations, and have good application prospects in the fields of on-site rapid detection of low-concentration ammonium ions in environmental water, aquaculture water and seawater.

Provided is an electrolyte analysis device capable of early detection of abnormalities in an ion-selective electrode, and an abnormality determination method therefor. The electrolyte analysis device according to the present invention includes an ion-selective electrode that generates a sample potential corresponding to the concentration of ions contained in a sample; a comparison electrode that generates a reference potential serving as a reference; and a concentration calculation section that calculates the concentration of ions based on the potential difference between the sample potential and the reference potential, characterized by further including an abnormality determination section that determines the presence or absence of an abnormality based on an evaluation value calculated using a detergent potential, which is a potential generated by the ion-selective electrode when a detergent is supplied.

The invention belongs to the field of potentiometric anti-fouling sensors, and particularly relates to a humic acid interference resistant polymer membrane ion selective electrode as well as preparation and application thereof. The selective electrode is formed by sequentially adhering a polymer sensitive film and a protective layer to the bottom of an electrode substrate; wherein the protective layer is a polyvinylidene fluoride coating. By virtue of the characteristics of low surface energy, strong electronegativity and compact film formation of the polyvinylidene fluoride coating, the infiltration and adhesion of humic acid on the surface of the electrode film are reduced, and the humic acid is effectively prevented from entering the polymer film, so that the stability and the service life of the polymer film ion-selective electrode in complex environmental water application are improved.

The invention discloses a method for measuring the concentration of sodium ions in a multi-mixing nickel electroplating bath solution based on a sodium ion selective electrode, relates to a method for measuring the content of sodium in an electroplating solution, and belongs to the technical field of solution analysis. The method aims at solving the technical problems that an existing common analysis method is complex in operation and low in accuracy. The method comprises the following steps: taking a standard sodium ion solution; recording the membrane potential E; drawing a standard curve; and measuring the sample. According to the method, the sodium ion concentration can be directly read based on an electrode method, the environment condition of a solution system is set, the sodium ion electrode is used for testing, the method is convenient, stable and rapid, and the testing range and accuracy of the method can meet analysis requirements. The method is used for measuring the concentration of the sodium ions in the multi-mixing nickel electroplating bath solution.

This invention discloses a solid perchlorate ion-selective electrode, its preparation, and its application, belonging to the field of ion-selective electrode technology. The solid perchlorate ion-selective electrode of this invention includes a shell, within which are disposed a first conductor, a conductive liquid, a conductive substrate, a solid contact layer, and an ion-selective membrane connected in sequence. The ion-selective membrane contains an ion carrier, an ion exchanger, a plasticizer, and a membrane matrix. The solid contact layer contains a carbon material and an ionic liquid. The ion carrier includes a m-tetraphenylporphyrin metal complex, wherein the coordinating metal is iron, cobalt, or nickel. The main application of this invention is to improve the perchlorate ion-selective electrode composition of ClO4. ‑ High selectivity and interference resistance in detection.

Aspects of the present disclosure provide techniques for measuring an ion concentration level of a user of a wearable device. An example method performed by the wearable device includes applying, using a potentiostat of the wearable device, a bias voltage to an ion selective electrode (ISE) of a transcutaneous ion sensor of the wearable device, measuring a current associated with the ISE of the transcutaneous ion sensor, adjusting the bias voltage based on the measured current associated with the ISE until the measured current is within a threshold range, determining, based at least in part on the measured current, the ion concentration level of the user, and transmitting an indication of the ion concentration level of the user to a display device for display to the user.

Operation of an analyzer may include performing a set of startup activities after powering the analyzer on. These activities may include automatically cleaning a module of the analyzer, such as an ion selective electrode (ISE) module, automatically calibrating that module, and checking a volume of detergent in that module. In some cases, this volume checking may be performed after the module has been the module has been cleaned and calibrated, and may even take place after a sample has been loaded into the analyzer (e.g., during a pre-wash procedure).

The invention relates to the technical field of sensing of aquatic water ion detection, and discloses a solid-state contact layer of an all-solid-state ion selective electrode, FeCoNi-coated ZIF-8 doped with three transition metals of iron, cobalt and nickel is synthesized through a one-pot method, nano porous carbon based on ZIF-8 is generated through pyrolysis, and finally a transition metal doped ZIF-8-derived carbon nanomaterial is obtained. And mixing the carbon nanomaterial with a hydrophobic material and an ionic liquid to construct an ion-electron transduction layer of the all-solid-state ion selective electrode with excellent hydrophobic performance. The solid-state contact layer prepared by the invention not only can effectively inhibit the formation of a water layer between an ion sensitive film and a conductive substrate and solve the problem of potential drift of an ion selective electrode in measurement, but also has the advantages that the electric double-layer capacitance effect of the carbon nanomaterial and the synergistic pseudocapacitance effect among various transition metals act together; and the ion-electron transduction capability of the electrode is improved.

The anoectochilus formosanus hangover alleviating and liver protecting raw stock is prepared from the following raw materials in parts by weight: 150-350 parts of anoectochilus formosanus raw juice, 100-250 parts of waxberry raw juice, 100-250 parts of Chinese wolfberry fruit raw juice, 10-30 parts of micrococcus oil, 1-5 parts of oriental cherry polyphenol and 1-5 parts of proanthocyanidin. The anoectochilus formosanus raw stock capable of dispelling effects of alcohol and protecting liver is prepared by the following method: 1) weighing anoectochilus formosanus raw juice, waxberry raw juice and Chinese wolfberry fruit raw juice according to the proportion in parts by weight, adding water which is 10-15 times of the total feeding weight, mixing, pulping, sieving and removing dregs to obtain a raw stock base, and the anoectochilus formosanus raw juice, the waxberry raw juice and the Chinese wolfberry fruit raw juice are obtained by directly pulping fresh anoectochilus formosanus raw juice, fresh waxberry fruit and fresh Chinese wolfberry fruit; the invention discloses anoectochilus formosanus protoplasm which comprises the following steps: 1) preparing a protoplasm substrate, 2) transferring the protoplasm substrate into a vacuum homogeneous emulsifying pot, slowly adding micrococcus oil at 38-42 DEG C, and homogenizing to obtain an emulsion, 3) sequentially adding oriental cherry polyphenol and proanthocyanidin under the protection of nitrogen, and homogenizing to obtain protoplasm, and 4) sterilizing the protoplasm, filling with nitrogen, and refrigerating for storage.The anoectochilus formosanus protoplasm has the effects of dispelling the effects of alcohol and protecting the liver.

An ion selective electrode (“ISE”) assembly may be installed within a sample path of a biological testing system to measure ion concentration within sample fluid flowing through the sample path. A transducer membrane is placed within a housing and positioned to contact the sample path. A threaded portion is advanced into a socket of the housing and forces the membrane against a sealing portion of the sample path to prevent retention of sample fluid within the housing after testing. Sealing may be accomplished without adhesives or sealants and instead relies upon mechanical pressure of the threaded portion. Another implementation includes a reference measuring electrode and several ion measuring electrodes combined into a single housing. Another implementation includes a reference measuring electrode and several ion measuring electrodes combined into a cartridge that includes a sample well instead of a sample path.

The present application relates to the technical field of lithium ion extraction, and particularly relates to an electrochemical lithium extraction device and method based on interfacial evaporation. The device comprises an upper end plate provided with a light transmission hole, a middle chamber and a lower end plate; the middle chamber takes a composite lithium extraction electrode as a top cover, and the bottom of the middle chamber is provided with an auxiliary electrode; the composite lithium extraction electrode comprises, from top to bottom, a photothermal material layer, a current collector layer and an electrode material layer; the electrode material layer is loaded with lithium ion selective electrode active material; the sidewall of the middle chamber is provided with a water inlet hole and a drainage hole, the water inlet hole and the drainage hole are connected with a water pump through a pipeline to form a solution circulation loop; the auxiliary electrode is connected with a power supply and the current collector layer through a wire in sequence to form a power supply circuit. Through the organic integration of photothermal interfacial evaporation and electrochemical ion pump, the present application effectively solves the problems of concentration polarization and reaction kinetics limitation in the process of low lithium source lithium extraction, and significantly improves the extraction efficiency of lithium ions and the system performance.

The utility model provides a patch type hollow ion selective electrode, which comprises a substrate electrode and an electrode patch (42), the front of the substrate electrode is provided with a front conductive circuit (2) and an electrode loading area (1), the front conductive circuit (2) is provided with one or more than one via hole (24), and the electrode loading area (1) is provided with one or more than one electrode loading area (2). The electrode loading area (1) comprises an electrode detection layer and a first hollow hole (13), the first hollow hole (13) penetrates through the front surface and the back surface of the substrate electrode, and an anti-overflow structure is arranged on the outer side of the electrode loading area (1); and the electrode patch (42) is fixedly arranged on the back surface of the substrate electrode and completely covers the position of the first hollow hole (13).

A system (1000) for analyzing one or more agricultural materials including: an ion selective electrode (2500) having an upper end, an internal cavity (2501) for containing a fluid, and a first port (2502); a tank (2510) disposed adjacent to an upper end and containing a fluid for supplying the internal cavity (2501); a transfer port (2520) in connection with the first port (2502), wherein the transfer port (2520) has a first tip (2521) disposed in the first port (2502) and a second tip (2522) in communication with the tank (2510), wherein the first tip (2521) is configured to allow air to travel from the internal cavity (2501) through the first tip (2521) and configured to allow fluid from the tank (2510) to flow around the first tip (2521) and into the internal cavity (2501).

The invention relates to the technical field of nano electrode preparation, in particular to a nano potassium ion selective electrode and a preparation method thereof. The potassium ion selective electrode is developed by vapor deposition of a conductive carbon layer and electrochemical deposition of an ion selective layer Prussian blue (PB) film on the inner wall of a quartz glass tube (the diameter is less than or equal to 500nm), and the prepared electrode has a wide detection range (10 <-5 >-10 <-1 > M K < + >; r2 is equal to 0.9954) and low detection limit (LDD is equal to 3.38 mu M), and the bottleneck that the potassium ion concentration cannot be stably tracked at the nanoscale in the prior art is broken through.

The application provides a biochemical analyzer with an ion selective electrode module, and relates to the technical field of medical instruments. The biochemical analyzer comprises an electrolyte detection module, and the electrolyte detection module specifically comprises: an ion selective electrode module, which comprises a shell and a plurality of electrodes arranged in the shell and sealed against each other to form an electrode channel; a sampling pool; a liquid detection box; a pump module, which comprises a first pumping assembly, a second pumping assembly and a third pumping assembly; a reagent pack module, which comprises a first reagent pack storing a first calibration liquid, a second reagent pack storing a second calibration liquid and a waste liquid piece for receiving waste liquid, the first calibration liquid, the second calibration liquid and a sample to be detected can pass through the electrode channel under the action of different pumping assemblies, and each pumping assembly comprises a clamping seat assembly elastically abutting against the first pump pipe, the second pump pipe and the third pump pipe correspondingly. The biochemical analyzer has the advantages of high accuracy and good reliability.

The invention discloses an on-line detection method and system for the concentration of inorganic salt ions in a high-salinity water body, and relates to the technical field of inorganic salt ion concentration monitoring, and the method comprises the following steps: obtaining a to-be-detected high-salinity water body, and measuring the pH value, the conductivity value and the concentration value of various selective ions of the to-be-detected high-salinity water body; calling a pre-constructed hydrolysis equilibrium equation, a charge conservation equation and an electrode response equation of a conductivity electrode and a plurality of ion selective electrodes; according to a set maximum detection error, screening main influence ions to simplify a called equation; inputting the measured pH value, the conductivity value and the concentration values of the multiple selective ions into a simplified equation, and calculating and solving to obtain the concentration of the target inorganic salt ions in the to-be-measured high-salinity water body. According to the invention, efficient and accurate on-line detection of main inorganic ions in a high-salinity water body can be realized.

The present application relates to the technical field of all-solid-state ion selective electrode, in particular to a kind of all-solid-state ion selective electrode instrument-free standard potential calibration method, more specifically to use short-circuit electrode short-circuit all-solid-state ion selective electrode, to adjust or unify the standard electrode potential of all-solid-state ion selective electrode, maintain the original Nernst slope calibration curve of all-solid-state ion selective electrode, and the position of calibration curve can be controlled by changing the concentration of short-circuit electrode electrolyte;Wherein, the short-circuit electrode includes any one of Ag / AgCl / 3MKCl reference electrode and Ag / AgCl QRE quasi-reference electrode;The all-solid-state ion selective electrode includes electrode base, solid connection layer modified on the surface of electrode base and ion selective membrane layer modified on the surface of solid connection layer.The present application uses short-circuit electrode short-circuit all-solid-state ion selective electrode, which provides the possibility for all-solid-state ion selective electrode instrument-free standard potential calibration, greatly simplifies the calibration and unification of all-solid-state ion selective electrode.

The utility model relates to an in-vivo detection hardware system for inorganic ion signals of micro crops. The in-vivo detection hardware system comprises an acquisition module and a Bluetooth module, the acquisition module comprises a main control chip and a multiplexer; the main control chip is connected with the Bluetooth module through a first serial port of the main control chip, and the Bluetooth module is connected with an upper computer through Bluetooth; the main control chip is also connected with the multiplexer through a second serial port and an AD acquisition port of the main control chip; the multiplexer is connected with a plurality of pre-amplification circuits, and each pre-amplification circuit detects potential type signals of crop ions in vivo and in situ through an all-solid-state ion selective electrode. The device can be widely applied to the field of crop monitoring.