How to analyse this combine TG-DSC curve. I can find only one weight loss step? how to interpret this graph. This is done for my ferrite sample calcinated at 600 degrees celsius.
Dear Hema S . ,
It seems to me you do have a second endotherm, smeared out around 800-900 degC. Just guessing - the first endotherm may represent loss of water and/or organics, while the second endotherm may represent loss of oxygen due to partial reduction of Fe(3+) to Fe(2+), or due to reduction of a different reducible cation such as Co(3+) or Mn(3+).
I totally agree with Dr Emanuel Cooper . it seems to me that there is a partial reduction of you ferrite cations on 800-900 degrees. I would also say that the first endotherm is related to water and small organic molecules.
Dear Hema S . find out following link
https://www.sciencedirect.com/science/article/abs/pii/S0040603120305098
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