TG/DTA for glass ceramic ?

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Sorosh Abdollahi

It depends on the type of the tested glass and the atmosphere of the experiment too. If it's TG in air atmosphere, you can assume it's consuming oxygen present in the air, therefore the mass is being increased.

Carlos Araújo Queiroz

Possible generic reasons for weight gain detection in TGA were discussed elsewere at this forum:

https://www.researchgate.net/post/Why_my_TGA_graph_shows_a_weight_gain https://www.researchgate.net/post/What_is_the_process_to_get_a_weight_Gain_in_TGA https://www.researchgate.net/post/What_are_the_reasons_for_weight_gain_in_TG_curve_My_sample_is_Cement_and_the_weight_gain_is_in_the_temp_range_of_400_to_650_degree