With the development of scientific research and the advancement of production technology, the quantitative analysis of moisture has been listed as one of the basic items for physical and chemical analysis of various substances, and it is an important quality indicator of various substances. Different requirements for the determination of moisture were proposed according to the different moisture contents in the different types of samples. Moisture analyzers can be industrial production control analysis, or the signing of the quality of industrial and agricultural products; moisture can be measured from tons of product, and only a few microliters of the test solution can be used for moisture determination in the laboratory; Moisture content can range from a few to several tens of centimeters, but it can also be a trace moisture measurement with a moisture content of only one part per million or less.
Water analysis methods can generally be divided into two major categories, namely physical analysis and chemical analysis. The classic moisture analysis method has been gradually replaced by various moisture analysis methods. Currently, the main moisture analyzers on the market include Karl Fischer moisture analyzer, infrared moisture meter, dew point moisture meter, microwave moisture meter, and Coulomb moisture meter. And some special moisture meters. These instruments are simple, sensitive, and reproducible. They can measure continuously and automatically display data.
The moisture analyzer abroad has certain advantages in terms of accuracy, stability, etc., and at the same time it has strengthened the research and practice of the moisture analyzer, and has achieved very obvious benefits. Now the price of the foreign moisture analyzer is going to the domestic moisture analyzer. Closer prices can meet the needs of laboratories and companies.
The Karl Fischer moisture analyzer is a classical method, which has been improved in recent years, greatly improving the accuracy and extending the measurement range. It has been listed as a standard method for moisture determination in many substances. In recent years, our company's imported Karl Fischer moisture analyzers that are relatively active in the domestic market include Metrohm Switzerland, METTLER AG, and Kyoto Electronics, Japan.
The infrared moisture analyzer is simple in operation, less time-consuming, and accurate in measurement results. Therefore, the infrared moisture meter can be widely used in laboratory analysis, daily stock control, and process detection in chemical, pharmaceutical, food, tobacco, food, and other industries.
The dew-point moisture analyzer is easy to operate, the instrument is not complicated, and the measured results are generally satisfactory. It is often used for the determination of trace moisture in permanent gas. However, this method interferes more. Some cold-changeable gases, especially at higher concentrations, interfere with condensation than water vapor.
Coulomb moisture meters are often used to determine the moisture content of gases. This method is easy to operate, quick to respond, and especially suitable for the determination of trace moisture in gases. If you use ordinary chemical methods, it is very difficult. However, electrolytic methods are not suitable for the determination of alkaline substances or conjugated diolefins.
The microwave moisture analyzer uses a microwave field to dry the sample to accelerate the drying process. It has the characteristics of short measurement time, convenient operation, high accuracy and wide application range. It is suitable for grain, paper, wood, textile and chemical products, etc. The determination of moisture in powdered and viscous solid samples can also be applied to the determination of moisture in petroleum, kerosene and other liquid samples.
In addition, some dedicated moisture analyzers have become increasingly prominent in the market. This moisture analyzer has the advantages of specificity, simple operation, etc., and is widely used for on-line control and analysis of industrial production. The quality of industrial and agricultural products is checked. Ding, such as oil moisture analyzer, soil moisture analyzer, tobacco moisture analyzer, grain moisture analyzer, wood moisture analyzer, concrete moisture analyzer, paper moisture analyzer, etc.
Water analysis methods can generally be divided into two major categories, namely physical analysis and chemical analysis. The classic moisture analysis method has been gradually replaced by various moisture analysis methods. Currently, the main moisture analyzers on the market include Karl Fischer moisture analyzer, infrared moisture meter, dew point moisture meter, microwave moisture meter, and Coulomb moisture meter. And some special moisture meters. These instruments are simple, sensitive, and reproducible. They can measure continuously and automatically display data.
The moisture analyzer abroad has certain advantages in terms of accuracy, stability, etc., and at the same time it has strengthened the research and practice of the moisture analyzer, and has achieved very obvious benefits. Now the price of the foreign moisture analyzer is going to the domestic moisture analyzer. Closer prices can meet the needs of laboratories and companies.
The Karl Fischer moisture analyzer is a classical method, which has been improved in recent years, greatly improving the accuracy and extending the measurement range. It has been listed as a standard method for moisture determination in many substances. In recent years, our company's imported Karl Fischer moisture analyzers that are relatively active in the domestic market include Metrohm Switzerland, METTLER AG, and Kyoto Electronics, Japan.
The infrared moisture analyzer is simple in operation, less time-consuming, and accurate in measurement results. Therefore, the infrared moisture meter can be widely used in laboratory analysis, daily stock control, and process detection in chemical, pharmaceutical, food, tobacco, food, and other industries.
The dew-point moisture analyzer is easy to operate, the instrument is not complicated, and the measured results are generally satisfactory. It is often used for the determination of trace moisture in permanent gas. However, this method interferes more. Some cold-changeable gases, especially at higher concentrations, interfere with condensation than water vapor.
Coulomb moisture meters are often used to determine the moisture content of gases. This method is easy to operate, quick to respond, and especially suitable for the determination of trace moisture in gases. If you use ordinary chemical methods, it is very difficult. However, electrolytic methods are not suitable for the determination of alkaline substances or conjugated diolefins.
The microwave moisture analyzer uses a microwave field to dry the sample to accelerate the drying process. It has the characteristics of short measurement time, convenient operation, high accuracy and wide application range. It is suitable for grain, paper, wood, textile and chemical products, etc. The determination of moisture in powdered and viscous solid samples can also be applied to the determination of moisture in petroleum, kerosene and other liquid samples.
In addition, some dedicated moisture analyzers have become increasingly prominent in the market. This moisture analyzer has the advantages of specificity, simple operation, etc., and is widely used for on-line control and analysis of industrial production. The quality of industrial and agricultural products is checked. Ding, such as oil moisture analyzer, soil moisture analyzer, tobacco moisture analyzer, grain moisture analyzer, wood moisture analyzer, concrete moisture analyzer, paper moisture analyzer, etc.
Color-coated Steel Coil is based on hot-dip galvanized sheet, hot-dip galvanized sheet, electro-galvanized sheet, etc. After surface pretreatment (chemical degreasing and chemical conversion treatment), one or several layers of organic coatings are applied on the surface. The product is then cured by baking. It is named after the color steel coils coated with organic coatings of various colors, referred to as color coated coils.
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