Thermogravimetric Analysis (TGA) Testing Services
Thermogravimetric Analysis (TGA) is a technique for analysing changes in a sample's mass as a function of temperature or time. It provides useful information regarding materials' thermal stability, composition, and decomposition.
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- Overview
- Scope, Applications, and Benefits
- Test Process
- Specifications
- Instrumentation
- Results and Deliverables
Overview
Thermogravimetric Analysis (TGA) is a thermal analysis technique used to measure changes in a material’s weight as a function of temperature or time under controlled conditions. It helps identify decomposition, oxidation, moisture content, and thermal stability by monitoring mass loss or gain during heating or cooling cycles.
TGA is widely used in industries such as polymers, pharmaceuticals, chemicals, and materials science to evaluate composition and thermal behavior. It provides critical insights for quality control, product development, and performance assessment, ensuring materials meet required standards and function reliably under thermal stress.
Scope, Applications, and Benefits
Scope
Thermogravimetric Analysis evaluates material behavior under temperature variation by measuring weight changes, helping determine composition, stability, and decomposition characteristics.
- Applicable to polymers, metals, ceramics, and pharmaceuticals
- Measures weight loss or gain during heating
- Identifies decomposition and oxidation behavior
- Supports quality control and R&D analysis
- Ensures compliance with ASTM and ISO standards
Applications
- Polymer composition and stability analysis
- Pharmaceutical material characterization
- Moisture and volatile content determination
- Thermal decomposition studies
- Quality control in manufacturing
Benefits
- Provides accurate thermal stability data
- Identifies material composition and impurities
- Detects moisture and volatile components
- Supports reliable material selection
- Enhances product quality and consistency
Test Process
Sample Preparation
The sample is weighed and placed in a crucible for controlled thermal exposure.
1Instrument Setup
The TGA instrument is calibrated and programmed with required temperature and atmosphere conditions.
2Heating Cycle
The sample is heated under controlled conditions to monitor weight changes continuously.
3Data Analysis
The recorded data is analyzed to determine decomposition temperatures and material composition.
4Technical Specifications
| Parameter | Details |
|---|---|
| Temperature range | Ambient to 1000°C or higher |
| Heating rate | Typically 5–20°C/min |
| Atmosphere | Nitrogen, air, or inert gases |
| Measurement | Weight change versus temperature/time |
| Sensitivity | High precision microbalance |
| Sample size | Typically 5–20 mg |
| Output | Thermogravimetric curves (TG/DTG) |
Instrumentation Used for Testing
- Thermogravimetric Analyzer (TGA)
- High-precision microbalance
- Furnace with temperature control
- Gas supply system (nitrogen/air)
- Data acquisition software
Results and Deliverables
- TGA and DTG curves
- Weight loss percentage data
- Decomposition temperature values
- Material composition insights
- Detailed analytical test report
Why Choose Infinita Lab for Thermogravimetric Analysis?
At the core of this breadth is our network of 2,000+ accredited labs in the USA, offering access to over 10,000 test types. From advanced metrology (SEM, TEM, RBS, XPS) to mechanical, dielectric, environmental, and standardized ASTM/ISO testing, we give clients unmatched flexibility, specialization, and scale. You’re not limited by geography, facility, or methodology—Infinita connects you to the right testing, every time.
Looking for a trusted partner to achieve your research goals? Schedule a meeting with us, send us a request, or call us at (888) 878-3090 to learn more about our services and how we can support you. Request a Quote
Frequently Asked Questions
Thermogravimetric Analysis is a technique that measures changes in a material’s weight as temperature increases. It helps determine thermal stability, composition, and decomposition behavior, making it essential for material characterization and quality control.
TGA can analyze polymers, metals, ceramics, pharmaceuticals, and composites. It is useful for studying thermal stability, moisture content, and decomposition characteristics across a wide range of industrial and research applications.
TG curves show weight change over temperature, while DTG curves represent the rate of weight change. DTG helps identify specific stages of decomposition more clearly and improves interpretation of complex thermal behavior.
TGA helps detect impurities, moisture, and composition variations, ensuring consistency in materials. It is widely used in quality control to verify that products meet required specifications and performance standards.
Yes, TGA can detect multiple components based on different decomposition temperatures. Each component decomposes at a specific temperature range, allowing identification of material composition and proportions.
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