As a typical analytical instrument, the thermogravimetric analyzer has been widely used at present. In the following, we explain the working principle of the thermogravimetric analyzer.
Analytical instruments thermogravimetric analyzers are mainly composed of balances, furnaces, temperature control systems, and recording systems.
Thermogravimetry is the most widely used and most widely used thermal analysis method. It is a technique for measuring the relationship between mass and temperature under programmed temperature control. Therefore, as long as the mass of the material changes when it is heated, the thermogravimetry method can be used to study its change process, such as dehydration, moisture absorption, decomposition, compounding, adsorption, desorption, sublimation and the like. Thermogravimetry has been widely used in chemical and chemical related fields. The curve obtained by the thermogravimetry test is called the thermogravimetric curve (TG curve). The TG curve uses the mass as the ordinate, showing the mass reduction from top to bottom; the temperature (or time) as the abscissa, and the temperature from left to right ( Or time) increase. Thermoanalytical instruments are easy to operate, sensitive, fast, and require a small amount of sample, and the scientific information obtained is extensive.
The TGA experiment helps to study the changes of crystal properties, such as the physical phenomena of melting, evaporation, sublimation and adsorption; it also helps to study the chemical phenomena of dehydration, dissociation, oxidation, and reduction of substances. Thermogravimetric analysis can generally be divided into two categories: dynamic (heat up) and static (constant temperature).
Thermogravimetric analyzers (ie, thermobalances) for thermogravimetry are instruments that continuously record the relationship between mass and temperature. It is a combination of a furnace and a balance for mass and temperature measurement.
The main working principle of the thermobalance is to combine the circuit and the balance and to increase the temperature (or constant temperature) of the heating furnace at a certain heating rate through a program temperature controller. When the quality of the tested sample changes, the photoelectric sensor can convert the quality change into a direct current signal. This signal is amplified by the electronic amplifier and fed back to the moving coil of the balance, which produces a reverse electromagnetic torque and resets the balance beam.
Analytical instruments thermogravimetric analyzers are mainly composed of balances, furnaces, temperature control systems, and recording systems.
Thermogravimetry is the most widely used and most widely used thermal analysis method. It is a technique for measuring the relationship between mass and temperature under programmed temperature control. Therefore, as long as the mass of the material changes when it is heated, the thermogravimetry method can be used to study its change process, such as dehydration, moisture absorption, decomposition, compounding, adsorption, desorption, sublimation and the like. Thermogravimetry has been widely used in chemical and chemical related fields. The curve obtained by the thermogravimetry test is called the thermogravimetric curve (TG curve). The TG curve uses the mass as the ordinate, showing the mass reduction from top to bottom; the temperature (or time) as the abscissa, and the temperature from left to right ( Or time) increase. Thermoanalytical instruments are easy to operate, sensitive, fast, and require a small amount of sample, and the scientific information obtained is extensive.
The TGA experiment helps to study the changes of crystal properties, such as the physical phenomena of melting, evaporation, sublimation and adsorption; it also helps to study the chemical phenomena of dehydration, dissociation, oxidation, and reduction of substances. Thermogravimetric analysis can generally be divided into two categories: dynamic (heat up) and static (constant temperature).
Thermogravimetric analyzers (ie, thermobalances) for thermogravimetry are instruments that continuously record the relationship between mass and temperature. It is a combination of a furnace and a balance for mass and temperature measurement.
The main working principle of the thermobalance is to combine the circuit and the balance and to increase the temperature (or constant temperature) of the heating furnace at a certain heating rate through a program temperature controller. When the quality of the tested sample changes, the photoelectric sensor can convert the quality change into a direct current signal. This signal is amplified by the electronic amplifier and fed back to the moving coil of the balance, which produces a reverse electromagnetic torque and resets the balance beam.
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