77 results about "Titration" patented technology

The invention relates to the field of chemical analysis automation equipment, and discloses an automatic potentiometric titration method which comprises the following steps: before a titration task is started, executing adaptive cleaning and collecting residual spectrum fingerprints of a system; calibrating a titration prediction model in real time by using the fingerprint; performing predictive titration to obtain complete titration data; after the titration is finished, carrying out multi-dimensional analysis on the whole process data, and quantitatively evaluating the pollution risk and the data quality; and finally, dynamically adjusting the cleaning strategy of the next task according to the evaluation result, and adaptively updating the prediction model according to the prediction deviation of the titration. By establishing a closed-loop intelligent working process of cleaning, diagnosis, feedback and learning, the state of the system can be sensed in real time, a cleaning strategy and a prediction model can be dynamically adjusted, the cleaning effect is ensured, self-optimization of the titration process is also realized, the long-term analysis accuracy and the intelligent level of the automatic titration system are improved, and the working efficiency is improved. And the dependence on manual intervention and troubleshooting is reduced.

The application belongs to the technical field of analysis and detection, and discloses a method for continuously detecting pH value, sulfuric acid content and zinc ion content of electroplating liquid or conductive roller cleaning liquid. The method comprises the following steps: 1) selecting the "pH" block in "pH / mV" on the potential titrator, setting the instrument parameters, inserting the electrode into the to-be-detected liquid, and reading the pH value displayed by the potential titrator; 2) selecting the "mV" block in "pH / mV" on the potential titrator, selecting the dynamic pH titration mode, setting the instrument parameters, diluting the to-be-detected liquid after the pH value is detected, inserting the electrode into the diluted to-be-detected liquid, and adopting the sodium hydroxide standard solution titration, and ending the titration after two equivalent points appear; and 3) calculating the pH value, sulfuric acid content and zinc ion content of the to-be-detected liquid through a formula. The application can realize the continuous detection of the three indexes by adopting one instrument and one standard titration solution, is simple, fast and high in accuracy, and can effectively reduce the influence of chemical reagents on the health of workers.

The application provides an automatic titration analysis method for measuring the aluminum content in high aluminum alloy, which adopts direct reaction of fluoride with a test solution to realize one-step direct titration, and determines the aluminum content in the range of 2.00% to 100.00%, and comprises the following steps: sample decomposition; precipitation of interfering ions; calibration of sodium fluoride standard solution; calibration of automatic potentiometric titrator; and measurement of the sample to be tested. The application solves the problems of sample pretreatment and how to avoid the influence of interfering ions on the determination of aluminum content. The titration operation, reading and calculation are automatically completed by the instrument, effectively reducing human errors, and the application has the advantages of simple operation, accurate and rapid results, wide application range and the like.

This invention belongs to the field of analytical chemistry technology, specifically relating to a composite indicator and testing method for determining cadmium content in crude cadmium. The composite indicator comprises xylenol orange, thymol blue, and sodium indigo disulfonate, with a mass ratio of xylenol orange, thymol blue, and sodium indigo disulfonate of 1.0–1.5:0.3–0.6:0.5–1.0. This invention utilizes the ternary compound of xylenol orange, thymol blue, and sodium indigo disulfonate, employing the blue background of sodium indigo disulfonate and the reddish-purple and yellow hues of xylenol orange for optical color adjustment. This transforms the color change at the titration endpoint from the traditional reddish-purple to yellow to a bluedish-purple to yellowish-green, significantly increasing the color difference and creating a clear and sharp color change interface, greatly improving the accuracy and reliability of visual endpoint determination.

The invention discloses an on-line automatic monitoring method and system for total alkalinity in water, and relates to the technical field of water quality on-line monitoring. When the current measuring state of the system is a starting state, a sampling unit is controlled to convey a target water sample to a mixed reaction unit based on a preset water sample flow; the reagent unit is controlled to convey a target reagent to the mixed reaction unit; dynamically adjusting the flow rate of the target reagent based on a proportional integral differential control strategy, so that the pH value of a mixed solution formed by mixing the target water sample and the target reagent in the mixed reaction unit fed back by the detection unit in real time is stabilized at a preset endpoint pH threshold value; and determining the total alkalinity of the target water sample based on the flow velocity of the target reagent when the pH value is stable, the concentration of the target reagent and the preset water sample flow. The pH value is stabilized at the titration end point by dynamically adjusting the reagent flow rate, the total alkalinity is calculated according to the reagent flow rate, the water sample flow rate and the reagent concentration during balance, continuous and rapid measurement can be realized, and the reagent consumption is low.

The invention provides a titration constant volume device. The titration constant volume device comprises an operation platform, a feeding device, a first carrying device, a liquid adding device, a second carrying device and an analysis device. The operation platform is provided with a first area, a second area and a third area which are sequentially arranged. The feeding device comprises a cup body feeding assembly, the cup body feeding assembly is arranged on the first area, the cup body feeding assembly is used for storing cup bodies, and liquid samples are contained in the cup bodies. The first carrying device is arranged on the first area and is used for carrying the sample bottles and the cup bodies to the second area and the like. The analysis device is arranged on the third area and is used for analyzing and detecting the solution in the cup body. The steps of sample transfer, split charging, titration and constant volume and the like do not need manual intervention, so that the personal safety of operators and the environmental safety of a laboratory are remarkably improved.

This application provides a continuous titration method for the sulfuric acid and ammonium nitrate content of silicon etching solution. The continuous titration method includes the following steps: weigh m grams of silicon etching solution sample into a sample bottle, add phenolphthalein indicator, titrate with a first sodium hydroxide standard solution of concentration C1 until a pink color is achieved, and record the volume consumed V1. Calculate the sulfuric acid content. Add neutral formaldehyde solution to the same solution and let it stand for a first preset time to generate a free acid solution. Continue titrating the free acid solution with a second sodium hydroxide standard solution of concentration C2 until the solution turns pink. Gently heat the solution to a preset temperature and maintain this temperature for a second preset time. If the pink color persists, the titration endpoint is determined, and the volume consumed V2 is recorded. Calculate the ammonium nitrate content. This method achieves continuous titration of two components with a single sample, eliminates mutual interference between components, optimizes the endpoint determination method, and thus achieves a simple operation, high accuracy, low sample consumption, and high detection efficiency.

The embodiment of the invention relates to a method for measuring the chloride ion concentration in water-based drilling fluid, which comprises the following steps: acquiring the voltage of a chloride ion sensor in various standard liquids with known concentrations at a preset constant temperature, and establishing a calibration corresponding relation between the voltage and the chloride ion concentration; diluting a to-be-detected water-based drilling fluid sample into a to-be-detected mixed solution according to a fixed proportion; and maintaining the to-be-measured mixed solution at the constant temperature, measuring the voltage of the to-be-measured mixed solution by using a chloride ion sensor, determining the concentration value of the to-be-measured mixed solution based on the calibration corresponding relation, and calculating the actual chloride ion concentration value of the water-based drilling fluid by combining the fixed proportion. According to the embodiment, a traditional chemical titration agent is abandoned, the potential safety hazard that an operator makes contact with toxic strong acid and carcinogenic potassium chromate is eliminated, the water-based drilling fluid to be detected is adjusted to the optimal linear range of a chloride ion sensor through quantitative dilution, and the detection efficiency and timeliness are greatly improved.

The invention discloses a method for testing the iodine absorption value of regenerated cracked carbon black, and belongs to the technical field of analysis and detection. Aiming at the problems of inaccuracy and instability of test data, floating of carbon black and the like when the existing national standard method is directly used for cracking the carbon black, the invention finds that the root cause of the method is that zinc sulfide widely existing in the cracked carbon black is subjected to redox reaction with an iodine solution, and floating is caused by surface organic matters. The method comprises the following steps: firstly, carrying out sample pretreatment on cracked carbon black, namely infiltrating and oscillating by using an alcohol solvent, then adding an acid solution, oscillating and pickling to remove ZnS, and then filtering, washing and drying. And measuring the iodine absorption value of the treated sample according to the standard iodine adsorption titration step. According to the method, a main interference source is eliminated through chemical pretreatment, so that a measurement result can truly and stably reflect the specific surface area characteristic of the cracked carbon black, the correlation with NSA / STSA is remarkably improved, meanwhile, the operation problem of carbon black floating is solved, and the method has the advantages of high accuracy, good reproducibility and large operation tolerance.

This invention discloses a Karl Fischer titrator, relating to the field of chemical analysis instrument technology. It includes a detection stage, a titration flask, a homogenization unit, an anti-fouling unit, and a titration unit. The detection stage provides a mounting base for the titration flask, which holds the reaction solution. The homogenization unit homogenizes the reaction solution, the anti-fouling unit recirculates any residue adhering to the wall back into the reaction solution, and the titration unit controls the amount of Karl Fischer solution added. During titration, the homogenization unit is activated, driving the titration unit to add the Karl Fischer solution to the titration flask while simultaneously homogenizing the solution to prevent dead zones. The anti-fouling unit recirculates any residue adhering to the wall back into the reaction solution, preventing droplets from being unable to participate in subsequent reactions, thus avoiding detection errors and waste.

A toner comprises a toner particle and silica fine particles, wherein, fragment ions of a D unit structure are observed in time-of-flight secondary ion mass spectrometry measurement of the silica fine particles, in a titration operation of the silica fine particles using NaOH, the titer is within a specific range, an area of a peak from −25 to −15 ppm in 29Si-NMR measurement of the silica fine particles is denoted by D, the sum of the areas of peaks from −140 to 100 ppm is denoted by S, and an area of a peak from more than −19 ppm to −17 ppm or less is denoted by D1, the specific surface area of the silica fine particles, D, D1, and S satisfy specific relationships, and a specific amount of a specific polyvalent metal element is present on the surface of the toner particle.

The utility model relates to the technical field of medicine inspection and analysis, and discloses an analysis titration device for medicine inspection, which comprises an operating table, a protective door is rotatably connected to the front side of the operating table, a fixing mechanism is arranged at the top of the operating table, a titration mechanism is arranged at the top of the operating table, and the fixing mechanism comprises a first servo motor. The first servo motor is fixedly connected to the inner bottom of the operation table, the rear side of the first servo motor is fixedly connected with a worm, the left side of the worm is meshed with a worm gear, the worm gear is internally and fixedly connected with a rotating rod, the top of the rotating rod is fixedly connected with a placement table, and the top of the placement table is provided with a volumetric flask. By means of the arranged fixing mechanism, when medicine needs to be inspected and analyzed, a first servo motor, a worm, a worm gear and a rotating rod are matched, rotation of the containing table can be achieved, a volumetric flask is conveniently driven to rotate, and a second servo motor drives a two-way threaded rod to rotate.

The invention provides a water quality detection system and method, and the system comprises a detection module which comprises a detection electrode and an automatic titration unit, and the detection electrode is configured to detect the concentration of free ammonia in a water sample to be detected and convert the concentration into a potential signal; the automatic titration unit is configured to titrate an alkaline solution into the water sample to be detected so as to convert fixed ammonia into free ammonia; and the control and data processing module is electrically connected with the detection module, and is configured to receive the potential signal, control the start and stop of the automatic titration unit according to the received potential signal, and calculate the total content of free ammonia and the total content of ammonia in the ammonia distillation wastewater according to the potential signal and the titration amount of the alkaline solution. The water quality is monitored in real time, the problems of long detection period and poor time efficiency of the existing ammonia distillation wastewater are solved, manual operation errors are reduced through automatic operation, and the detection precision is improved.

The invention discloses a multi-parameter control device and method for a reduction-state indigo dye liquor. The device comprises a dye liquor acquisition module, a control module and a control module, wherein the dye liquor acquisition module is used for acquiring a dye liquor sample of the reduction-state indigo dye liquor; the dilution oxidation module is used for converting the reduced indigo blue in the dye liquor sample into the oxidized indigo blue in the dye liquor sample; the titration analysis module is used for automatically judging a titration end point and calculating the concentration of sodium hydrosulfite; automatically judging a titration end point by combining a multi-wavelength spectrophotometry, and calculating the concentration of sodium hydroxide; the optical detection module is integrated with a fixed wavelength light source and an absorbance sensor and is used for detecting the absorbance of the oxidized dye liquor sample and calculating the concentration of indigo through a preset standard curve; the integrated probe module is used for synchronously detecting the pH value, the oxidation-reduction potential and the salt concentration of the dye liquor in real time; and the central control processing module is used for generating a control instruction and controlling the mother liquor added with the reduction-state indigo dye liquor, the sodium hydroxide solution and the sodium hydrosulfite. The method is used for improving the efficiency and the control precision of stability regulation and control of the reduction-state indigo dye liquor.

The application discloses a rapid detection method of neutral defatting agent, acid solution is quantitatively added in a certain volume of defatting liquid, the higher the defatting agent concentration is, the more acid is consumed, that is, the higher the pH value is, and vice versa, then the measured pH value is nonlinearly polynomially fitted with the defatting agent concentration to obtain a relationship function of both, and then the defatting agent concentration in the defatting liquid on site is calculated by using the relationship function; the application adopts common laboratory equipment and vessels such as a pH meter, an adjustable pipette and a volumetric flask, does not need to use special equipment and devices, is low in cost and simple in operation; the operation process of the application is short, the requirement for the operation experience of personnel is not high, the application is easy to master, the defatting liquid concentration adjustment time is effectively shortened, the work efficiency is improved, and the problem of low accuracy of the neutral defatting agent concentration determined by the weight method and the titration method is solved.

The invention relates to a potentiometric titration method for measuring the concentration of divalent silver ions, which comprises the following steps: installing an electrode in a container, and adding sample liquid into the container to submerge the electrode; a burette is installed above the container, a titrating solution is put into the burette, and the titrating solution is cerous nitrate; dropwise adding the titration solution into the sample liquid for multiple times, determining the titration amount of each dropwise adding and the electrode potential in the corresponding titration process, waiting for a first preset time after each titration, then reading the electrode potential, waiting for a second preset time after reading the electrode potential, and then carrying out next titration; based on the titer and the electrode potential of each time, the change rate of the electrode potential along with the titer is obtained; positioning a critical point of the electrode potential based on the change rate, and determining a target titer when the electrode potential reaches the critical point; and determining the concentration of the divalent silver ions based on the target titer. The technical effects that the detection result is more accurate, the automation degree is improved, and the risk of the reagent is reduced are achieved.

The invention relates to a divisional application of a Chinese invention patent application with an application number of 201910636634.9 and an invention name of a spectrum-potential-temperature multi-dimensional titration analyzer and a use method thereof. The invention belongs to the technical field of measurement, and particularly relates to a spectrum-potential-temperature multi-dimensional titration analyzer. The spectrum-potential-temperature multi-dimensional titration analyzer disclosed by the invention comprises the spectrum titration measurement device, the temperature titration measurement device and the potential titration measurement device which are arranged in parallel, so that the synchronous measurement requirements of different analysis methods in chemical analysis can be met, and the measurement precision among different measurement methods is improved; the workload of multiple independent experiments is effectively reduced, and synchronous measurement for the same analysis object and different analysis methods can be realized.

The invention relates to the technical field of in-situ leaching solution sulfate radical monitoring, in particular to an in-situ leaching solution sulfate radical monitoring method and an in-situ leaching solution sulfate radical monitoring system. The monitoring method comprises the following steps: adding an acidic barium salt solution into a reaction cup; adding a preset amount of a to-be-determined water sample into the acidic barium salt solution, and fully stirring to obtain a to-be-determined mixed solution; predicting the sulfate radical concentration of the to-be-measured mixed solution through turbidimetry, and obtaining a supplementary sampling amount according to a prediction result; quantitatively supplementing a to-be-measured water sample into the reaction cup according to the supplementary sampling amount, and fully stirring to obtain a to-be-titrated sample; titrating the to-be-titrated sample to an end point by adopting the EDTA standard solution, and determining the sulfate radical concentration of the in-situ leaching solution according to a titration result. The sampling amount of the to-be-measured water sample is automatically adjusted according to the preset concentration range of sulfate radicals, additional new reagents are not needed, repeated analysis is avoided, the monitoring speed is increased, and the labor cost is reduced.

The invention provides a Raman spectrum-based uranium element full-automatic analyzer and an analysis method thereof. The uranium element full-automatic analyzer comprises a sample position module, a pretreatment module, a titration module, a grabbing mechanical arm and a Raman spectrum detection system, the sample position module comprises a rotating disc, and a plurality of sample stations are arranged on the rotating disc; the pretreatment module is provided with a plurality of pretreatment stations, and each pretreatment station is provided with five independent liquid adding pipelines; the titration module is provided with a plurality of titration stations, and each titration station is provided with two independent titration pipelines; and the Raman spectrum detection system is used for collecting Raman spectrum signals of the solution in the sample bottle in real time in the titration process. Based on specific recognition of a Raman spectrum system on a 1150cm <-1 > characteristic peak of tetravalent uranium and a 860cm <-1 > characteristic peak of hexavalent uranium, the reaction process can be directly judged through molecular signals of valence change of uranium elements, and the accuracy and reliability of detection results of uranium samples with different matrixes and different concentrations are greatly improved.

The invention discloses a method for determining an organic additive in an ammonia chloride method electrolytic zinc solution, and relates to the technical field of ammonia chloride method electrolytic zinc solution determination, and the method comprises the following steps: preparing an organic additive standard solution A with a concentration of a; the method comprises the following steps: diluting a to-be-detected sample of an ammonia chloride process electrolytic zinc solution with water to n times of volume to obtain a diluted sample; respectively measuring the permanganate indexes of the standard solution A and the diluted sample by adopting a potassium permanganate oxidation-sodium oxalate reduction titration method; calculating a conversion coefficient; and calculating the concentration of the organic additive in the to-be-detected sample according to a formula. According to the method, the unknown additive can be measured, and the measurement precision and reliability are improved, so that accurate data support is provided for the production process.

The invention relates to quantitative detection of a semiconductor wet etching solution, in particular to a near-infrared detection method for the content of acid and ammonium acid in an organic system, which comprises the following steps: carrying out uniform formula design on a modeling sample, and calculating the content of acid and ammonium acid in the modeling sample by applying a basic principle of a stoichiometric method through a partial least square method. The method for quantifying the mass fractions of the acid and the acid ammonium in the organic system is formed by associating near infrared spectrum data of a sample with the mass fractions of the acid and the acid ammonium through spectrum pretreatment, analysis waveband selection, determination of optimal modeling parameters such as the optimal number of main factors and a root-mean-square error (RESECV) of cross validation and the like and establishing a model. Compared with a traditional titration method and a gas-phase liquid-phase detection method, the method has the advantages that the time consumption is long (more than 15 minutes) and the precision is poor (more than 0.5%), the interference of similar structures of acid and acid ammonium can be effectively eliminated, and the detection precision is within 0.05%; moreover, the quantity of modeling samples required by the method is only 25-35, so that the modeling workload (the quantity of general near-infrared modeling samples is 100-300) is reduced, and the requirements on accuracy and high efficiency of product content inspection can be met.

The utility model provides a sulfur trioxide content on-line analysis system in a wet-process phosphoric acid process, and relates to the technical field of industrial on-line pretreatment and detection. Clear liquid is extracted by the circulating sampling device through a stoste sampling pump capable of rotating forwards and reversely so as to obtain a backwashing pipeline, the quantitative pre-sampling device is connected with the titration reaction device through a pipeline, the other end of the quantitative pre-sampling device is connected with a sample switching valve, and a sample is quantitatively extracted to the titration reaction device through a clear liquid taking pump; the quantitative reagent adding device quantitatively extracts a selected reagent through a reagent pump and pushes the reagent into the titration reaction device, a sample and the reagent are subjected to a titration reaction, the change in the reaction process is measured, and the content of sulfur trioxide is obtained; the whole process is automatically controlled, manual subjective judgment is eliminated, manual operation is reduced, the analysis efficiency is improved, and the accuracy of a measurement result is improved; and the backflushing valve and the cleaning device are arranged to prevent impurities from being separated out, so that the smoothness of the pipeline is guaranteed, and the stability of the system is improved.

The invention discloses a solid and liquid sample integrated full-automatic titration detection analysis system, which comprises a mechanical arm, and an annular conveying device, a sampling specific gravity device, a titration device, a cleaning and drying device, a sample dissolving device and a control part which are arranged around the mechanical arm, and the detection analysis comprises the following steps: a, sample identification; b, solid and liquid sample mode selection; c, a solid sample detection mode; and d, a liquid sample detection mode. Through the whole titrimetric analysis, liquid sample analysis such as chemical analysis and solid sample titrimetric analysis of ore or metal can be realized, manual intervention is completely not needed from sample uploading to result output, and the mode that traditional titrimetric analysis depends on cooperation of multiple devices and manpower is thoroughly changed; the method is especially suitable for processing batch and continuous samples in an industrial scene.

This utility model provides a titration device for environmental testing, relating to the technical field of titration devices for environmental testing. It includes a main body structure comprising an I-shaped base, a positioning mechanism on the top of the I-shaped base, and a positioning disk. A rotating rod passes through the interior of the positioning disk and is fixedly connected to the positioning disk. One end of the rotating rod passes through the interior of the I-shaped base, and a slot is provided on the positioning disk. This utility model, by setting a positioning mechanism, allows the test sample tube placed in the placement tube to be repositioned and changed. After being adjusted, the test sample tube is precisely positioned at the bottom of the adjustable burette, enabling the testing personnel to titrate the liquid into the test sample tube without needing to align it, thereby improving the efficiency of the titration operation.

The utility model is applicable to the technical field of medicine inspection, and provides an analytical titration device for medicine inspection, which comprises a bottom plate, a vertical plate is fixedly mounted at the top of the bottom plate, a mounting groove is formed in the vertical plate, a first screw rod is rotatably mounted on the inner wall of the mounting groove, and the top end of the first screw rod extends to the outside of the vertical plate; the connecting block is installed on the first lead screw in a threaded mode, a positioning plate is welded to the connecting block, an installation hole is formed in the positioning plate, and a burette used for medicine inspection is arranged in the installation hole; the clamping mechanism is arranged on the positioning plate and is used for fixing the burette; and the shaking mechanism is assembled on the bottom plate and is used for shaking the container. According to the analysis titration device for drug inspection provided by the scheme, the problem that when an existing titration device is used, an operator needs to frequently pick up a container for a long time to shake, so that the labor intensity is relatively high is solved.

The invention discloses a method for batch determination of alkalinity in metallurgical industry circulating water. The method comprises the following steps: 1) electrode calibration; 2) setting titration parameters; 3) determination; 4) calculating data; a calculation formula is built in software, and a result is automatically calculated. The invention aims to provide a method for measuring the alkalinity of metallurgical industry circulating water in batches, which is realized as follows: the detection precision is as follows: the relative error is less than or equal to 1.5%, and the reproducibility RSD is less than or equal to 2%; the detection efficiency is as follows: single detection is less than or equal to 5 minutes, and continuous determination of more than 10 batches of samples is supported; the adaptability is as follows: the alkalinity range of 5-1000 mg / L (based on CaCO) is covered, the tolerance suspended matter is less than or equal to 50 mg / L, and the silicon content is less than or equal to 15% of circulating water.

The utility model relates to an automatic detector belongs to the technical field of detection instrument, including instrument shell, reagent filling mechanism, the reagent bottle carousel for detecting sample, illumination light source and sensor, a plurality of reagent bottle hole positions are arranged on the carousel, and the side surface of reagent bottle hole position is opened to make light pass through, and reagent filling mechanism adds reagent in reagent bottle as needed to reagent bottle, judge titration end point through the sensor receiving the strong weak change light of reagent reflection, and measure the peroxide value or acid value of edible oil through the change of real -time detection indicator. The utility model utilizes the reflection principle of light, and real -time monitoring to the solution color change, can judge the titration end point of peroxide value or acid value of sample accurately. Since staff manual operation is not needed, the titration process is more accurate, automation operation, and staff does not need to endure the foul smell of reagent, reduces the harm of chemical reagent of experimental personnel.

The invention provides a method for determining the quality and purity of silver in a ceramic cup with a silver layer on the inner wall, and relates to the technical field of precious metal analysis and detection. In order to solve the technical problems that a silver layer cannot be stripped by an existing physical method and a ceramic matrix bismuth element interferes with purity determination in a chemical method, silver-free ceramic cups of the same batch are adopted as specific blank control, and a salpeter solution with an optimized proportion is utilized to synchronously digest a silver-layer-containing sample and a blank sample under the conditions of specific temperature and time. The mass of silver is accurately measured through an ammonium thiocyanate titration method, the impurity concentration in a sample solution and the impurity concentration in a blank solution are respectively measured in combination with a spectrum method, background interference such as bismuth dissolved out of ceramic is accurately deducted through a subtraction method, and finally the silver purity is obtained through normalization calculation. According to the method, continuous and accurate determination of the quality and purity of silver can be realized through one-time sample dissolution, the problem of interference of a complex matrix is effectively solved, the precision and accuracy of detection are remarkably improved, and a feasible technical scheme is provided for quality detection of the ceramic product containing the silver layer.

The application discloses a reagent supply device for a titration analyzer and a use method thereof, and the device comprises a container barrel, a liquid supply unit and a liquid adding unit. The container barrel is internally provided with titration reagents, and a first through hole is arranged at the top end of the container barrel. The liquid supply unit is arranged at the top end of the container barrel and is in communication with the inside of the container barrel. The liquid adding unit is arranged at the top end of the container barrel and is in communication with the inside of the container barrel through the first through hole. The liquid adding unit comprises a liquid inlet pipe and a liquid guide pipe. The top pipe opening of the liquid inlet pipe is connected with the first through hole. The top of the liquid guide pipe is connected with the bottom pipe opening of the liquid inlet pipe, and the bottom of the liquid guide pipe extends to the bottom of the container barrel. The application can effectively prevent the added titration reagents from generating air bubbles, prevent the liquid suction pipe from being filled with air, effectively improve the working efficiency of the titration analyzer, effectively prevent liquid splashing during the pouring of the added titration reagents, and ensure the personal safety of operators.