Thermogravimetric Analysis (TGA)

Thermal Analysis (TGA) detects the inter-atomic and inter-/intra- molecular interactions as related to an imposed external change in temperature. It is essential for investigating physical properties of materials throughout their entire life cycle (R&D, production control and failure analysis).

Thermogravimetric Analysis (TGA) measures the mass change of a material as a function of temperature and time, in a controlled atmosphere. It is ideally used to assess volatile content, thermal stability, degradation characteristics, aging/lifetime breakdown, sintering behavior and reaction kinetics

Ideal Uses

  • Thermal stability/degradation
  • Aging/lifetime assessment
  • Phase transition deteemination (e.g. glass transition, melting point, heat of fusion, crystallinity, heat capacity)
  • Formulation/deformulation of organic/inorganic mixtures (e.g., ink, paste, polymer composites)
  • Loss on drying/loss on ignition
  • Degree of curing (e.g., adhesives, thermosetting resins)
  • Reaction kinetics (e.g., oxidation, hydrogenation, sorption)
  • Pyrolysis/sintering behavior

Technical specifications

Signal Detected: Mass change, temperature and heat flow

Measurement Range: 0.1-200mg; 20-1500°C


  • Provides rich information on the mobility, bonding and interaction of atoms and molecules, in particular when elemental composition and bonding information are also available
  • All types of solids can be analyzed, with minimal sample preparation (e.g. powders, pellets, chunks, flakes)
  • Minimum sample size (100ng or more)
  • Qualitative or quantitative analysis


  • Solid (or initially solid) samples only
  • Data interpretation not always straightforward.
  • Most useful in combination with other techniques such as FT-IR, Raman, XRD, IGA, ICP-OES/MS and GDMS

Industries served

  • Chemicals / Petroleum / Polymers
  • Semiconductor
  • Renewable Energy (Solar, Battery, Biofuel, etc)
  • Metallurgy
  • Pharmaceutical / medical
  • Ceramics
  • Construction materials
  • Optical components

Developed by: Pourya Zarini - 2014

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