Thermogravimetry, also known as Thermogravimetric analysis (TGA), is a technique used to study the changes in mass of a material as a function of temperature. It is a powerful tool in the field of materials science, chemistry, and engineering, providing valuable insights into the thermal stability, composition, and decomposition kinetics of various substances.
In thermogravimetry, a sample is subjected to a controlled temperature program in an inert or reactive atmosphere while its mass is continuously monitored. The resulting Thermogravimetric curve provides information about the sample's thermal behavior, including decomposition, sublimation, desorption, oxidation, and reduction processes.
The technique is widely used in research and development to characterize the thermal properties of polymers, composites, pharmaceuticals, catalysts, minerals, and other materials. It is particularly valuable in assessing the stability and degradation pathways of materials under different environmental conditions, thereby informing the design and optimization of products and processes.
Thermogravimetric analysis is often complemented by other analytical techniques such as differential scanning calorimetry (DSC), evolved gas analysis (EGA), mass spectrometry (MS), and Fourier-transform infrared spectroscopy (FTIR) to gain a comprehensive understanding of the thermal and chemical transformations occurring in the sample.
Key applications of thermogravimetry include:
- Polymer Characterization: TGA is used to determine the thermal stability, decomposition temperatures, and residual mass of polymers, facilitating the selection of suitable materials for specific applications and the assessment of aging effects.
- Quality Control in Pharmaceuticals: TGA helps assess the purity, stability, and degradation kinetics of pharmaceutical ingredients and formulations, supporting quality control and regulatory compliance in the pharmaceutical industry.
- Catalyst Development: The thermal behavior of catalysts and catalyst supports can be evaluated using TGA to optimize their performance and longevity in chemical processes.
- Environmental Analysis: TGA is employed to study the thermal decomposition of organic and inorganic compounds present in environmental samples, aiding in pollution monitoring and remediation efforts.
- Material Development: TGA assists in the development of advanced materials by providing insights into their thermal stability, compatibility with other components, and potential applications in high-temperature environments.
Overall, Thermogravimetric analysis is an indispensable tool for researchers, engineers, and scientists seeking to unravel the complex interplay between temperature and mass changes in diverse materials, leading to advancements in various industries and scientific disciplines.
The TGA Systems produced by Dama Pajouh Arvin Co. are designed in a way that meets the highest standards for tools and applications. Our commitment to quality is reflected in our adherence to internationally recognized standards such as ISO 11358, ISO/DIS 9924, ASTM E1131, ASTM D3850 and DIN 51006.
These standards ensure that our thermal weighing instruments provide accurate and reliable results and meet the needs of various industries and applications.