Introduction: By measuring the change in conductivity during the saponification reaction of ethyl acetate, the reaction progress curve was drawn. Built-in constant temperature water bath, automatic magnetic stirring, conductivity detection, timer, etc., integrated design and compact structure. The measuring device adopts the conductivity method to measure the rate constant of the chemical reaction, and calculates the rate constant of the secondary reaction through the graphical method. Features: 1. Draw a reaction progress curve by measuring the change in conductivity during the saponification reaction of ethyl acetate. 2. Built-in constant temperature water bath, automatic magnetic stirring, conductivity detection, timer, etc., integrated design and compact structure. 3. Equipped with a 5-inch color LCD touch screen, which simultaneously displays real-time temperature and real-time conductivity, and directly enters the target temperature value through the on-screen keyboard, which is easy to operate. 4. The constant temperature water bath adopts a thick plexiglass box, which is sturdy and durable, which is convenient for observing the experimental phenomenon. The low-power heating rod is used to avoid the excessive power of the laboratory caused by multiple instruments. 5. The water tank is equipped with 6 positions of 25mL colorimetric tubes, which can preheat the solution and save test time. 6. The automatic magnetic stirring can set the stirring speed, and stir the water tank and the reactor at the same time. The PTFE magnetic stirrer can avoid contaminating the solution. 7. The conductivity meter adopts a digital design, directly enters the electrode constant, can choose to manually enter the solution temperature or automatically detect the temperature of the solution through the stainless steel packaged digital temperature measurement chip for temperature compensation, and the temperature compensation coefficient is adjustable. 8. Built-in digital timer function, which can automatically sound according to the set time interval to remind users to record experimental data to avoid missing records. The glass reactor adopts a new design, which can effectively improve the efficiency of solution mixing and improve the accuracy of the experiment. Technical parameter: Water bath temperature range: room temperature~100.0℃ Water bath temperature measurement resolution: 0.1℃ Water bath temperature control accuracy: ±0.2℃ Water bath heating rod: 250W stainless steel corrosion-resistant heating rod Measuring range of conductivity meter: 0~2×105 μs/cm Basic error: ≤1% Temperature compensation range: 0~100℃ Temperature compensation coefficient: 0.01%~100% adjustable Timer function: 0~100min, precision: 0.1s
Introduction: By measuring the change in conductivity during the saponification reaction of ethyl acetate, the reaction progress curve was drawn. Built-in constant temperature water bath, automatic magnetic stirring, conductivity detection, timer, etc., integrated design and compact structure. The measuring device adopts the conductivity method to measure the rate constant of the chemical reaction, and calculates the rate constant of the secondary reaction through the graphical method.
