38 results about "Environmental water" patented technology

The utility model discloses an environment-friendly water treatment sample extractor which comprises a sample sampling part, a suction part and a stirring part, the suction part is fixedly arranged on the upper surface of a fixed bottom plate, and the stirring part can automatically stir sediments at the water bottom during water sampling; in order to solve the problems that in the prior art, common water sample sampling equipment can only sample a water body and cannot effectively sample pollution particles deposited at the water bottom when sampling work needing pollutant detection is carried out, a stirring part is designed, the stirring part and a sample sampling part are matched and synchronously used, so that the sampling efficiency is improved, and the sampling efficiency is improved. According to the environment-friendly particle pollutant sampling device, the stirring treatment can be automatically carried out when the environment-friendly particle pollutant sampling device goes deep into the water bottom for sampling, so that pollution particles deposited at the water bottom can be stirred, the particles are fully suspended, the pollution particles are simultaneously sampled during sampling, and the environment-friendly particle pollutant sampling device is particularly suitable for detecting and sampling environment-friendly particle pollutants.

The invention discloses an environment-friendly water and soil loss monitoring method and device based on a target area. The method comprises the following steps: constructing a water and soil loss database corresponding to the target area; performing data pre-registration processing on the original ecological environment data of each target area to obtain standardized ecological environment data of the target area; performing erosion runoff coupling process simulation by using the standardized ecological environment data to obtain water and soil erosion dynamic parameters; performing water and soil loss trend prediction according to the water and soil erosion kinetic parameters to generate water and soil loss risk assessment data; data summarization is carried out according to the multi-source original ecological environment data, and an ecological management scheme is designed based on water and soil loss risk assessment data; performing treatment effect evaluation on the ecological treatment monitoring data in combination with a water and soil loss database, and dynamically evaluating the target difference between the current water and soil conservation rate and the water and soil conservation rate in different periods; and optimizing an ecological management scheme based on the generated ecological management optimization parameters. And the monitoring precision and the early warning timeliness are improved.

The application discloses an online enrichment detection system for particles and dissolved pollutants in water, which comprises a fly ash enrichment cavity, an interior of which is used for containing water, and a fly ash enrichment area between a liquid surface of the water and a top surface of the fly ash enrichment cavity; a bubble generating device arranged in the water in the fly ash enrichment cavity and used for generating bubbles for enriching particles and dissolved pollutants in the water; a gas sweeping device used for sweeping pure gas into the fly ash enrichment area and carrying away fly ash generated by the breaking of the bubbles; and a fly ash aerosol detection device used for detecting the concentration or particle size distribution of the particles in the fly ash and qualitatively and quantitatively analyzing the dissolved pollutants. The system can reliably detect low-concentration particles with a particle size of 6 nm or below in the water online, and qualitatively and quantitatively analyze the dissolved pollutants, so as to provide more accurate real-time water data for advanced chip manufacturing processes, environmental water detection, drinking water detection and industrial wastewater detection. The application further discloses an online detection method for particles and dissolved pollutants in water.

The invention discloses a water quality detection device for environmental water area detection, and relates to the technical field of water quality detection, the water quality detection device comprises a main body, an upper connecting plate and a lower connecting plate are respectively arranged on the upper and lower parts of the main body, and annularly distributed support legs are arranged on the outer side of the upper connecting plate; the buoyancy cabin is annular, is fixed between the upper connecting plate and the lower connecting plate and is fixed by the supporting legs, and a flexible air bag is arranged in the buoyancy cabin; the counterweight device is fixed at the middle upper part of the main body and positioned in the center of the main body; and the sampling detection device is fixed at the bottom of the lower connecting plate. The device integrates the functions of dynamic buoyancy adjustment, intelligent counterweight balance, multi-depth accurate sampling and real-time detection, and effectively solves the problems of poor stability, inaccurate sampling, detection lag and the like in the prior art.

The invention discloses a sampling device and a sampling method for environmental water quality detection, and belongs to the technical direction of water quality detection.The sampling device comprises a water quality detection sampler, a water inlet pipe is fixedly installed at one end of the outer portion of the water quality detection sampler, and three sets of sampling openings are formed in one end of the inner wall of the water quality detection sampler in an array mode; three groups of first water outlet pipes are installed at the other end of the exterior of the water quality detection sampler in an array mode, one ends of the three groups of first water outlet pipes are connected with three groups of first water pipes respectively, and a first water quality detection sensor, a second water quality detection sensor and a third water quality detection sensor are used in cooperation with equipment programs; water quality detection and sampling collection can be carried out on water bodies at different water levels in the water bodies to be detected, the water levels are different, the silt content in the water bodies is also different, detection and sampling values fluctuate, and the situation that sediment accumulated at the bottom of the water quality detection sampler influences data accuracy can be avoided.

The application belongs to the technical field of ion detection, and particularly relates to a furan fused derivative material and application thereof in barium ion detection. In order to solve the problems of the prior art, such as complicated and complex detection, high cost, poor detection sensitivity, and unsuitability for real-time analysis, etc. in the detection of barium ions, the application provides a furan fused derivative material. The furan fused derivative material is used as an active layer of an OECT, a designed and synthesized azacrown-6 crown ether material is modified above the active layer, selectivity is provided by the azacrown ether, a full-plane barium ion sensor is prepared, and the purpose of real-time detection of barium ion concentration with rapidity, accuracy and high sensitivity can be achieved. The detection limit is as low as 10nM, which is superior to most of the currently reported barium ion sensors, and greatly meets the detection requirements of environmental water samples.

The utility model relates to the technical field of water body sampling, in particular to an environmental water body sampling device which comprises a device body, a sealing door is hinged to the upper surface of the device body, a fixing seat is fixedly connected to the lower end of the device body, and a sampling mechanism is fixedly connected to the lower surface of the fixing seat in a penetrating mode. A collecting mechanism is arranged in the device body and the fixed seat, and the collecting mechanism and the like are arranged in the device body and the fixed seat, so that the electromagnetic valve in the cleaning water pipe can be independently opened every time the water pump is used for sampling; and then cleaning liquid in the cleaning box is pumped through the water pump to clean the whole interior of the water distribution box and the interiors of the water pump and the sampling mechanism, cleaning is completed, it is guaranteed that no residual water sample pollutes next sampling, and therefore the sampling precision is improved, and the detection precision is improved.

This invention discloses a bifunctional fluorescent probe and method for simultaneously detecting hydroxyl radicals and iron ions, belonging to the field of analytical and environmental monitoring. The bifunctional fluorescent probe is prepared by adding a ruthenium complex [Ru(bpy)2(DA-phen)] during the synthesis of MOF-808. 2+ A one-pot method was used to prepare ruthenium complex-encapsulated MOF material, which is the bifunctional fluorescent probe MOF-808@Ru for the simultaneous detection of hydroxyl radicals and iron ions. This invention uses a zirconium oxide cluster as the metal center and trimesic acid as the bridging ligand, simultaneously encapsulating [Ru(bpy)2(DA-phen)]. 2+ A MOF-808@Ru composite fluorescent probe with dual recognition units was prepared. This probe enables in-situ visualization of endogenous ·OH and Fe in biological systems. 3+ In addition, it can also sensitively detect ·OH and Fe in environmental water samples. 3+ Furthermore, by using fluorescence imaging to dynamically reflect changes in Fenton's reagent during simulated wastewater treatment, it has broad application prospects in the field of environmental monitoring.

The utility model discloses an in-situ multi-point synchronous sampling and bottom mud disturbance resisting soil measuring structure, and particularly relates to the technical field of environmental water body detection, the measuring structure comprises a testing main body and a vertical shaft sleeve, the testing main body comprises a main body and a shell, the main body comprises a testing rod, testing units used for testing the salt content, the conductivity and the temperature of water are arranged on the testing rod at equal intervals, and the top end and the bottom end of each testing unit are isolated through a sealing section; a lead connected with the testing unit penetrates out of the top end of the testing rod through the sealing section; the casing comprises a drilling casing and a sleeving casing which are used for drilling a soil layer and protecting, the drilling casing is arranged at one section of the test rod, the main body is mounted in the sleeving casing, a plurality of uniformly distributed drill holes are formed in the sleeving casing, the drill holes correspond to the test units in position, and the drill holes are communicated with the casing. And water is permeated in the sleeve shell.

The invention discloses a quick response type near-infrared fluorescent probe for detecting Hg < 2 + >, a preparation method of the quick response type near-infrared fluorescent probe and application of the quick response type near-infrared fluorescent probe in actual water samples and biological imaging. The molecular formula of the fluorescent probe is C32H28N2O2S2. On the basis of a strategy of introducing phenothiazine heterocycle to expand xanthene pi conjugation, a large Stokes shift near infrared fluorescent probe for specifically recognizing Hg < 2 + > is constructed. An optical experiment shows that the emission wavelength of the probe for detecting Hg < 2 + > is 780nm, the Stokes shift reaches 166nm, and the probe has the advantages of high sensitivity (the detection limit is 13.4 nM), specificity, quick response (within 1s) and the like when being used for identifying Hg < 2 + >. Due to the excellent photophysical property, the fluorescent probe not only can be used for quantitatively detecting Hg < 2 + > in an environmental water sample, but also can be successfully applied to fluorescence imaging detection of Hg < 2 + > in cells and living bodies.

The invention provides a micro-plastic fluorescence detection method based on carbon quantum dots, and belongs to the technical field of environment detection. The method comprises the following steps: firstly, adjusting the pH value of a filtered water sample to be detected to 6.5-8.5 by adopting a buffer solution to serve as a marking medium; secondly, preparing a carbon quantum dot solution through an activated sludge hydrothermal method, mixing the carbon quantum dot solution with a water sample to be detected in a buffer system, and reacting for 0.25-24 hours under the conditions that the temperature is 25-45 DEG C and the pH value is 5.0-9.0 to finish fluorescence labeling. And finally, carrying out solid-liquid separation on the water sample solution, re-dispersing the separated solid substances in water, and carrying out observation and fluorescence intensity determination by using a fluorescence microscope or a fluorescence spectrophotometer so as to realize analysis of the microplastics in the environmental water sample. The method is green and environment-friendly, is rapid and stable in marking, shows good detection performance and high recovery rate in actual water samples such as river water and tap water, and provides an effective tool for rapid, simple and convenient detection of micro-plastics in the environment.

This invention provides a highly selective and sensitive fluorescent probe for mercury ions, its preparation method, and its applications, belonging to the fields of chemical sensing materials and environmental monitoring technology. This invention connects 4-(1,2,2-triphenylvinyl)phenol, which exhibits aggregation-induced emission, and a guanosine derivative with multiple coordination sites, via a flexible chain to obtain a fluorescent probe with the structure shown in Formula I. This fluorescent probe not only overcomes the problems of large differences in solubility and reactivity between 4-(1,2,2-triphenylvinyl)phenol and guanosine derivatives, making coupling difficult, but also possesses high sensitivity and selectivity; its detection limit reaches 12.24 nM, effectively detecting trace mercury pollution in samples. It can also accurately identify mercury ions in water samples containing multiple high concentrations of metal ions, demonstrating high accuracy in real water samples. It is suitable for the accurate determination of mercury ions in complex environmental water samples and has good practical application value in the field of environmental monitoring. Formula I

The invention relates to the field of analysis and detection, in particular to a fluorescent probe as well as a preparation method and application thereof. The fluorescent probe provided by the invention is prepared by carrying out condensation reaction on barbituric acid and 2-hydroxy-1-naphthaldehyde in a polar solvent, a carbon-carbon double bond formed by condensation of barbituric acid and 2-hydroxy-1-naphthaldehyde is used as a key pi bridge in a molecule, and a chromophore with a strong intramolecular charge transfer effect is jointly constructed; the fluorescent dye shows cyan appearance and strong green fluorescence in an aqueous solution. After specific reaction with hypochlorite, a conjugated skeleton and an ICT process of the whole molecule are destroyed, so that the color of a solution is changed from cyan to colorless, fluorescence is remarkably quenched, and'off-on 'type detection is realized. The probe has the advantages of quick response, high sensitivity and good selectivity, can be applied to qualitative and quantitative detection of hypochlorite in environmental water quality and biological samples, and supports test paper portable detection.

The present application relates to the field of water quality detection, in particular to a method for analyzing aromatic organophosphate esters in water samples. At present, the method for detecting aromatic organophosphate esters in water environment is relatively blank, the present application uses sponge composite heteroporous covalent organic framework material, through vortex-assisted extraction, selectively enriches different sizes of aromatic organophosphate esters in water, and realizes the rapid determination of aromatic organophosphate esters in environmental water by combining ultra-high performance liquid chromatography-tandem mass spectrometry. The analysis and detection method developed by the present application not only selectively enriches a plurality of aromatic organophosphate esters in water through the heteroporous characteristics and strong hydrophobicity of the extraction material, effectively reduces the detection limit of the flame retardant in water, and reduces the sample pretreatment time, improves the analysis efficiency. The present application is suitable for water quality detection of ultratrace flame retardant.

The utility model discloses an environmental water source evaluation sampling device, which relates to the technical field of water source sampling and comprises a hollow upright post, and a sampling component is arranged on the outer side of the hollow upright post; the sampling assembly comprises a circular plate slidably connected to the inner wall of the hollow stand column, a long shaft is fixed to the bottom end of the circular plate, and four sets of guide inclined blocks are arranged on the outer wall of the curved surface of the long shaft in a stepped circumferential array mode. The handles on the two sides are rotated to enable the fixing columns to drive the sealing plugs to move in the direction away from the flow guide pipe, at the moment, a water source enters the sampling bottles through the flow guide pipe to be sampled, then the purpose of synchronous sampling of the sampling bottles in the four sets of storage boxes is achieved, sampling of water sources of different depths is effectively achieved, and the sampling efficiency is improved. The limitation that a traditional device can only sample a water source of a single depth is avoided, an operator only needs to adjust the immersion depth of the hollow stand column in water, water source sampling of multiple depths can be completed at a time through the device, and the sampling efficiency and accuracy are greatly improved.

The utility model relates to the technical field of water sample collection, and discloses an environmental water quality sample collection device which comprises a collection barrel and further comprises a partition plate connected to the upper portion of the inner wall of the collection barrel in a sliding mode, a water inlet hole is formed in the top of the partition plate, a connecting pipe is fixedly connected to the bottom of the partition plate, and the connecting pipe is communicated with the water inlet hole. The bottom of the connecting pipe is communicated with a water guide pipe; through the arrangement of the sample storage bottle, the water sample collection operation can be completed in water, so that the water sample can be conveniently and better collected, the possibility that the water sample is sprayed to the outside is reduced, the collection quantity of the water sample can be ensured for subsequent detection and analysis, and the problem that part of water quality sample collection devices at present are inconvenient to use when being used is solved. The problems that when a worker topples and transfers a water sample, the water sample is likely to be sprayed to the outside, the water sample collection amount is affected, and in the water sample transferring process, the normal water sample collection operation is likely to be affected by the toppling of a sampling bottle are solved.

The invention belongs to the technical field of environmental analysis chemistry and new material preparation, and particularly relates to a sulfuryl-containing covalent organic framework material as well as a preparation method and application thereof. The sulfuryl-containing covalent organic framework material (TpSD) is shown in the following formula I. The material disclosed by the invention is prepared from 1, 3, 5-trialdehyde phloroglucinol and 4, 4 '-diaminodiphenyl sulfone. The material is novel in structure, and shows the characteristics of large specific surface area, regular pore structure and high stability. In addition, a target object and sulfuryl in the material can form a hydrogen bond, so that the adsorption effect is further enhanced. The material can be applied to quantitative separation and enrichment of tetrabromobisphenol S derivatives in environmental water samples, can solve the problems of complex matrix interference and low sensitivity of detection instruments during analysis of trace organic matters in current environmental water samples, has stable properties, and can be reused.

The present invention discloses a sample pre-concentration and separation system and method for measuring trace substances in environmental water bodies, which belongs to the field of detection of trace gases dissolved in water bodies, and aims to solve the technical problem of low separation and sensitivity of single equipment in the prior art. It includes a gas injection module, a sample quantification module, a water sample pretreatment module, a capture and analysis module, and a separation and detection module. The present invention utilizes two sets of pre-column and analytical column systems to achieve the cascade separation of components with different properties. Substances with different separation activities can be effectively separated under flow switching, effectively avoiding confusion caused by similar functional groups, eliminating interference, and improving the separation and measurement sensitivity of the target object; at the same time, two sets of detectors are used to meet the needs of different sensitivity detection.

The utility model belongs to the technical field of filtering devices, and particularly relates to a filtering device for environmental water quality monitoring, which comprises a shell, a water inlet is fixedly connected to one side of the top of the shell, a paddle is rotatably connected to the interior of the shell and is positioned below the water inlet, a storage cavity is formed in the interior of the shell and is positioned below the paddle, and the storage cavity is communicated with the water inlet. A filtering assembly is arranged on the upper portion in the storage cavity, a stirring cavity is formed in the lower portion in the shell, and a stirring rod is rotationally connected to the interior of the stirring cavity; the utility model provides a filtering device for environmental water quality monitoring, and solves the problems that in the prior art, when water quality is monitored, a water source is generally filtered and purified through a filtering layer, but a deodorization step is not included in the purification process, the water source is stink due to the fact that part of the environment is severe, and if the water source is not subjected to deodorization treatment, the water quality cannot be monitored. The problem that stink in the sewage not only endangers the body health of workers, but also diffuses into the air to cause serious pollution to the air is solved.

The invention discloses a power transmission and transformation project environmental water conservation problem analysis method and system based on spatial analysis. The method comprises the following steps: obtaining an associated geographic area of a construction line, then dividing sensitive areas to obtain sensitive patrol areas of different sensitive types, and determining protection grade parameters according to the sensitive types; collecting the spatial crossing and overlapping conditions of the construction lines and the sensitive patrol areas, and obtaining the line crossing information of each sensitive patrol area; and calculating a protection adjustment coefficient according to the line crossing information, endowing the protection adjustment coefficient of each sensitive patrol area with a corresponding protection level parameter to obtain a sensitive risk level, and performing early warning on the environmental water protection risk of each sensitive patrol area according to the sensitive risk level. And updating the corresponding line crossing information according to the construction period of each sensitive patrol area so as to re-determine the protection adjustment coefficient of each sensitive patrol area. According to the invention, different sensitive types of areas are monitored, data can be updated in time according to the construction period, and the accuracy of an analysis result is ensured.

This invention provides a method and apparatus for monitoring groundwater resources, belonging to the field of groundwater flow measurement technology. The method includes: obtaining the comprehensive fluid interference intensity of groundwater based on the differences in signal amplitude and instantaneous phase between low-frequency and high-frequency ultrasonic signal sequences; obtaining the bubble intensity disturbance factor of groundwater based on the comprehensive fluid interference intensity and the changes in pipe environmental water pressure data in adjacent sampling periods; dynamically compensating a preset reference sound velocity based on the bubble intensity disturbance factor, and combining this with the ultrasonic propagation time difference to obtain corrected real groundwater flow velocity data. This invention improves the accuracy of groundwater resource monitoring.

The invention provides an HOCl probe based on colorimetric and fluorescence dual response and application of the HOCl probe in water environment detection, and the HOCl probe is 3, 6-bis (dimethylamino)-9H-xanthene-9-thioketone. The HOCl probe based on colorimetric and fluorescent double response provided by the invention has the advantages of excellent HOCl specific selectivity, rapid response and low detection limit, can be used for quantitative detection of HOCl in various environmental water samples, is less affected by instruments and microenvironments, is simple and convenient in detection means operation, has high accuracy, and has practical application value in the field of environmental monitoring.

The invention discloses a perylene tetracarboxylic acid-Zn < 2 + > complex fluorescent probe for early warning of algae outbreak and a preparation method and application thereof. 3, 4, 9, 10-perylenetetracarboxylic acid is used as a fluorescent ligand and is coordinated with Zn < 2 + > to form a perylenetetracarboxylic acid-Zn < 2 + > complex probe, the fluorescence of the perylenetetracarboxylic acid-Zn < 2 + > complex is weak, the complex fluorescent probe is decomplexed based on the stronger complexing ability of PO4 < 3-> and Zn < 2 + >, then fluorescence is recovered, and the purpose of detecting PO4 < 3-> is achieved. The probe shows an excellent selective response characteristic on PO4 < 3-> in water, and the detection limit of the probe can reach 0.052 mg / L. The invention also provides detection test paper which can realize on-site visual detection of PO4 < 3-> in a water sample, has the advantages of high detection sensitivity, simplicity and convenience in operation, low cost and high response speed, can monitor phosphate pollution in an environmental water body and algae outbreak caused by the phosphate pollution, and has an important application prospect.

The present invention discloses a copper ion ratio fluorescent probe based on carbon dots, its preparation method and application. The ratio fluorescent probe is prepared as follows: polyethyleneimine and cysteine ​​are dissolved in deionized water or deionized water containing formamide, and the reaction is refluxed at 60-140°C for 0.5-24h. The ratio fluorescent probe is obtained by filtration, column chromatography separation, concentration and drying. The obtained ratio fluorescent probe is used to detect the copper ion ratio in different aqueous environments. 2+ The results showed that the different Cu 2+ The ratiometric fluorescent probe has a wide concentration range, with emission wavelengths of 489 and 680 nm serving as references. It exhibits high copper ion targeting specificity, rapid sensing, high sensitivity, and high accuracy, achieving a detection limit of as low as 3.13 nM for copper ions in complex physiological matrices. The ratiometric fluorescent probe exhibits high photostability, good water solubility, and high biosafety, making it suitable for the specific and precise detection of copper ions in biological samples and environmental water.

The invention relates to system integration of monitoring technologies of river water level, flow, sand content, water temperature, precipitation, evaporation capacity, wind speed, wind direction, soil moisture content and the like, and belongs to the technical field of hydrological element monitoring in water conservancy and hydrological industries. A station-building-free total-factor hydrometric station monitoring device comprises a first support and a second support, a fixing structure is arranged on the first support and the second support, a travelling crane and a radar travelling crane are arranged on the fixing structure, a hydrometric station monitoring device is arranged on the first support, the second support, the travelling crane and the radar travelling crane, and local automatic intelligent monitoring of a multifunctional hydrometric station is achieved through the structure. The system can remotely control automatic intelligent monitoring or real-time interrogation operation, and is widely applied to hydrological monitoring, water conservation monitoring, environment-friendly water quality monitoring, reservoir dispatching management, irrigation management dispatching of irrigation areas, traffic monitoring and other industries.

The invention relates to the technical field of test tube cleaning, and particularly discloses a test tube cleaning machine for environmental water quality detection, which comprises a test tube cleaning machine, a fixing device, a rotating device and a clamping device, the fixing device is arranged at the top of the test tube cleaning machine, and the fixing device can fix the test tube cleaning machines of any size and the same model; the rotating devices are arranged at the two ends of the bottom face of the fixing device. The clamping device is arranged between the bottom ends of the rotating devices; through the universal fixing design of the test tubes of the clamping device, linkage of rotation and the clamping device, the cleaning quality is improved, and the detachable and expansion adaptive design of the fixing device, stable fixing and dead-corner-free high-quality cleaning of the test tubes of different specifications and flexible adaptation of test tube cleaning machines of different models are achieved.

The invention discloses a lysosome targeted copper ion fluorescent probe with an AIE (aggregation-induced emission) effect, which is obtained by taking 7-(diphenylamino)-2-oxo-2H-benzopyran-3-carboxylic acid (I) and 8-aminoquinoline (II) as raw materials and reacting and synthesizing under the action of 2-(7-azabenzotriazole)-N, N, N ', N'-tetramethylurea hexafluorophosphate and triethylamine. The chemical structural formula of the fluorescent probe is shown as a formula (III), and the fluorescent probe has an AIE effect, has the advantages of high selectivity and high sensitivity on Cu < 2 + > recognition and the like, and can be used for effectively detecting Cu < 2 + > in an environmental water sample; besides, the probe has good biocompatibility, can be positioned in a lysosome, and is applied to real-time fluorescence imaging monitoring of Cu < 2 + > concentration change in an autophagy process caused by starvation or a chemical inducer in living cells and zebra fish bodies; the invention provides a copper ion detection tool with excellent performance, which has huge potential in the fields of environmental monitoring and life science research.

The invention relates to a method for determining a silicon element in water by using an ICP-MS collision reaction tank technology, and belongs to the technical field of environmental analysis and detection.The method creatively adopts an H2 / He multi-gas mode synergistic reaction mechanism, and by optimizing different sample injection gas proportions and reaction tank parameters, polyatomic ion interference is remarkably reduced, and the detection accuracy is improved. The high-precision measurement of the silicon element in different concentration ranges is realized; lithium ion internal standard correction is introduced, so that the influence of instrument fluctuation and matrix effect is effectively overcome, and the relative standard deviation of silicon element determination is less than 3.5%; compared with a traditional method, the method has the technical advantages of being easy and convenient to operate, low in analysis cost, capable of achieving the detection limit of 10 micrograms / L and the like, and is particularly suitable for accurate quantitative analysis of the silicon element in complex matrixes such as environmental water bodies and industrial wastewater.

The utility model belongs to the technical field of equipment for detecting total phosphorus in a water body, and particularly relates to a cruise type total phosphorus automatic analyzer. According to the utility model, unmanned cruise, automatic sampling and flow analysis technologies are combined, so that the function of measuring the total phosphorus in the water body through cruise type flow analysis is realized, and the detection result is efficient and accurate. The method can realize rapid and automatic digestion and detection of total phosphorus, is associated with the navigation track of the unmanned ship, presents the distribution state of total phosphorus in the water body in real time, and is beneficial to improving the accuracy and timeliness of environment monitoring. The influence of interferents in environmental water on subsequent reaction is effectively solved by firstly entering the reducing agent, and no obvious difference exists between actual test and on-machine detection results after manual pretreatment. The low-content total phosphorus in the water body can be accurately measured, and the result is matched with the manual detection result in a laboratory. By adopting the design of automatic sample injection switching, calibration can be carried out according to the detection condition during operation, manual calibration in shore is not needed, the analysis efficiency is improved, and the detection precision is ensured.

This invention discloses a method for detecting substances in urban environmental water bodies. N The method of adding methylmorpholine to pretreat water samples involves adding the internal standard morpholine. d 8 Subsequently, a working curve was plotted using liquid chromatography-quadrupole mass spectrometry (LC-MS / MS) to qualitatively and quantitatively detect the components in urban environmental water samples. N methylmorpholine content. The detection method of this invention has the advantages of high sensitivity, high accuracy, fast analysis speed, quantification, and accuracy. Its average recovery rate can reach over 90%, and the goodness of fit R... 2 The accuracy reaches 0.9999, indicating high reliability of the test results. This invention can be applied to research and risk monitoring related to urban environmental water quality.