Can I ask somone to helpe me regarding interpretation of this TGA graph?
Hello Dear Lee,
Thank you for your reply, actually I want to compare the thermal stability of these hydogel samples with different ratios of TiO2 colloid (0.05, 0.1, 0.5 and 1 wt%). I tried to write, but I am wondering is it correct or not, that is why I asked helping here regarding this interpretation
You could use the temperature at 2% mass loss (or any other value that you find interesting) in order to determine the stability
Some more info would be helpful to actually interpret the graph. From what you showed, it seems you have 2 considerable mass loss events, and with the inceease on TiO2 the remaining mass also increase, which may be just degradation products of the oxide. I’d recommend you run TiO2 alone for comparison with the data you already have.
From your TGA trace, one can tell that TGA can detect the difference of the samples with at least 0.5% additives from those of the base and two with 0.05 and 0.1% additives respectively. This means the LOD of TGA is about 0.5%, considering only one sampling each sample. It can be used to detect and wuantify the additive provided calibration snd validation is performed.
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