Moisture meter is also called moisture meter, moisture meter, moisture detector, moisture meter, moisture analyzer. Mainly used for quantitative analysis of moisture.
With the development of scientific research and the advancement of production technology, quantitative analysis of moisture has been listed as one of the basic items of physical and chemical analysis of various substances, as an important quality indicator of various substances.
According to the different moisture content in different types of samples, different requirements for measuring moisture are proposed. Moisture measurement can be the control analysis of industrial production, or the quality of industrial and agricultural products. It can be measured from tons of products. It can also be analyzed in the laboratory with only a few microliters of test solution; it can be Constant moisture analysis with a water content of a few percent to a few tens, or trace moisture analysis with a water content of less than 1 part per million, etc.
The measuring methods of these instruments are easy to operate, have high sensitivity and good reproducibility, and can continuously measure and automatically display data. Foreign moisture analyzers are expensive, and some domestic laboratories and enterprises cannot afford them. In recent years, many domestic instrument manufacturers have strengthened the research and practice of moisture analyzers, and have achieved very obvious benefits, making the technology of domestic moisture analyzers close to international standards, which can meet the needs of general laboratories and enterprises. Classical moisture analysis methods have been gradually replaced by various moisture analysis methods.
Moisture analysis methods can generally be divided into two categories, namely physical analysis methods and chemical analysis methods. 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 to determine trace moisture in permanent gases. However, this method has more interference, and some easily exchangeable gases will cause condensation before water vapor condenses, especially at higher concentrations.
The Coulomb Moisture Analyzer is commonly used to determine the moisture content of gases. This method is simple in operation and quick in response, and is particularly suitable for measuring trace moisture in gas. If it is determined by a general chemical method, it is very difficult. However, the electrolytic method is not suitable for the determination of alkaline substances or conjugated diolefins.
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