STA-MS Coupling System is made up of simultaneous thermal analysis (STA 449F3) and mass spectrometer (QMS 403C) manufactured by Netzsch, Germany, which allows the measurement of mass changes and  differentiation between phase transformation and decomposition, between addition and condensation reactions, recognition of pyrolysis, oxidation, and combustion reactions, etc. between room temperature and 1500 ℃.

Quantitative analysis forevolved gas (QAEG) is developed by the Laboratory of Circulating Fluidized Bed. QAEG is established on the measuring model and theoretical fundamental of TG-MS system according to thecoupling mechanism of TG-MS, and is proposed a novel method to determine flow rate of various evolved gases precisely by means of the equivalent characteristic spectrum analysis (ECSA).

The theory and method of QAEG have been opened on the paper (Equivalent characteristic spectrum analysis in TG-MS system, ThermochimicaActa). Since QAEG has accomplished to simultaneously determine the flow rate of various components in evolved gas, it would promote experimental research for gaseous phase in various reactive processes.

 STA-MS Coupling System

Example of Quantitative Analysis of Evolved Gas  

Equivalent characteristic spectrum analysis in TG-MS system