General agent of the American pine rotating disc ring electrode device in China

The Chinese distributor of the American pine rotating disk ring electrode device is a product of the combination of electrode theory and fluid dynamics, and is therefore also known as a fluid dynamics electrode.

1、 Basic principles

The Chinese distributor of the American pine rotating disk ring electrode device is a product of the combination of electrode theory and fluid dynamics, and is therefore also known as a fluid dynamics electrode. The basic principle of its working principle is that material transfer and current density are controlled by electrochemically active substances, and the movement of electrochemically active substances follows the laws of fluid dynamics. The structural characteristics of this electrode enable it to effectively control the material transfer process in electrochemical reactions, thereby obtaining more accurate electrochemical parameters.

2、 Structural characteristics

1. Disc and Ring: The core part of the device consists of a disc electrode and a concentric ring electrode, separated by insulating material between the disc and ring electrodes.

2. Material selection: Disk electrodes are usually loaded with the studied materials, such as glassy carbon, platinum, gold, etc; Ring electrodes are generally made of platinum or gold.

3. Geometric dimensions: The outer diameter of the disk electrode, the inner and outer diameters of the ring electrode, and other dimensions have been designed to ensure measurement accuracy and repeatability. For example, the common glassy carbon disk electrode has an outer diameter of 5.61mm, a platinum ring outer diameter of 7.92mm, and a platinum ring inner diameter of 6.25mm.

3、 Technical indicators

1. Speed range: The speed range of the rotating disk ring electrode may vary depending on the model and manufacturer, but generally can reach several thousand revolutions per minute (rpm).

2. Speed stability: The high-precision speed measurement system and transmission device ensure the stability of the speed, usually less than 1%.

3. Ring disk spacing: The gap between the ring and disk electrodes is also an important factor affecting the measurement results, generally controlled within a few tens of microns, such as some models with a ring disk spacing of less than or equal to 320 μ m.

4、 Technical parameters

1. Speed range: 50~10000rpm; The motor has a power of 0.02 horsepower and is connected by silver carbon brush contact.

2. High performance acceleration system: 15W permanent magnet DC motor, combined with bipolar power supply technology, equipped with

Excellent dynamic performance, smooth acceleration;

3. Speed: The speed can be displayed, continuously adjusted, and can be adjusted using an external voltage signal;

4. Corrosion resistant bracket: specially designed adjustable electrolytic cell bracket;

5. Carbon brush: silver plating process, forming excellent anti-interference performance, with extremely low contact resistance

Can effectively reduce current acquisition errors and have a long service life;

6. The output voltage is proportional to the speed and can be recorded by an external oscilloscope for phase comparison

analyze

7. Control: Split control, detachable structure, easy to place in glove box. Equipped with signal input/output interfaces, the speed can be controlled by inputting external signals (from the electrochemical workstation); The speed signal can be output to testing equipment (oscilloscope) or used to control other devices.

8. Explosion proof: Equipped with explosion-proof design to ensure personal and equipment safety

5、 Advantages and benefits

1. High precision: By controlling parameters such as rotational speed and electrode spacing, high-precision electrochemical measurement results can be obtained.

2. Multifunctionality: It can be used to study various electrochemical reactions and processes, and has broad application prospects.

3. Easy to operate: Modern rotating disk ring electrode devices are typically equipped with user-friendly interfaces and easy-to-use control software, making the experimental process more convenient and efficient.

In summary, the American pine rotating disk ring electrode device is one of the important tools in electrochemical research in China. Its high precision, versatility, and ease of operation have made it widely used in multiple fields.