-
E-mail
zhuoguangchn@163.com
-
Phone
18601715897
-
Address
Room 308B, Building 1, Tongxing Creative Park, No. 4260 Cao'an Road, Jiading District, Shanghai
Shanghai Zhuoguang Instrument Technology Co., Ltd
The fully automatic polarimeter can complete the testing of a large number of samples in a short period of time
Date: 2025-09-08Read: 1
Fully automatic polarimeter is an instrument used to determine the optical rotation properties of substances, widely used in industries such as chemistry, pharmaceuticals, food, and beverages. By measuring the angle at which a substance rotates plane polarized light when light waves pass through, a polarimeter can help analyze the optical activity of the substance. The working principle is based on the phenomenon of optical rotation. When light passes through a substance with optical rotation properties, the substance affects the polarization state of the light, causing the plane of polarized light to rotate. Different substances have different angles of rotation of light, which is called rotational intensity and is usually measured in degrees (°). By measuring the angle of rotation of polarized light, the optical rotation of a substance can be determined, allowing for the calculation of its concentration or other physical and chemical properties.
Automatic PolarimeterStructural characteristics:
1. Automated operation: Adopting automated design, a series of operations such as light source switching, sample heating, and optical rotation measurement can be automatically performed, greatly improving work efficiency and reducing human errors.
2. High precision measurement: Using high-precision photodetectors and digital processing systems, it can accurately measure small changes in optical rotation, with an accuracy usually reaching 0.001 °.
3. Multifunctional: In addition to basic optical rotation measurement, it can also automatically calculate parameters such as substance concentration, optical rotation ratio, and specific optical rotation, with strong multifunctionality.
4. Automatic temperature control: In order to ensure the accuracy and stability of the measurement, a temperature control device is usually equipped, which can automatically adjust the temperature during the measurement process to avoid measurement errors caused by temperature changes.
5. Data storage and transmission: Usually equipped with internal memory, it can store measurement data and support data transmission through USB, Wi Fi, and other methods for easy recording and analysis.
Application fields:
1. Pharmaceutical industry: Used in the pharmaceutical process to determine the purity, concentration, and molecular structure of drugs. Medications often contain optically active substances, and polarimeters can help detect the quality and standardization of drugs.
2. Chemical analysis: In chemical research, the determination of optical rotation is an essential step used to analyze the products of chemical reactions, especially in the synthesis and analysis of chiral compounds.
3. Food and beverage industry: For example, in foods such as wine, sugar, honey, etc., polarimeters are used to detect the concentration and quality of sugar. The optically active ingredients in these foods need to be accurately measured to ensure product quality control.
4. Biological research: Used in biological research to analyze the optical activity of molecules such as proteins and nucleic acids, helping researchers gain a deeper understanding of the structural characteristics of these molecules.
5. Cosmetics industry: Some optically active ingredients in cosmetics need to be measured using a polarimeter to ensure their quality and consistency during the production process.
Advantages of fully automatic polarimeter:
1. High precision and high stability: able to provide high-precision measurements, good stability, and meet strict experimental requirements.
2. Easy to operate: Automated operation makes the measurement process simple and convenient, reducing the requirement for the operator's technical level.
3. Fast measurement: With fast measurement speed, it can complete the testing of a large number of samples in a short period of time, suitable for high-throughput experiments and industrial production needs.
4. Strong data processing capability: The built-in data processing system can automatically calculate parameters such as optical rotation and concentration, and perform data storage, export, and analysis.
5. Accurate temperature control: The temperature control system can maintain a constant temperature during the measurement process, eliminating the influence of temperature fluctuations on the measurement results.