Can anyone let me know can TGA can be performed without using purged gas, just in normal atmospheres?

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Jp Wu

You can perform tga without purged gas, although it is not recommended by the vendors. Before you do, you should understand why you do not use purged gas.

Saira Ishaq

Thank you Jp Wu

Marcella Bini

TGA as the other thermal techniques is commonly performed in inert atmosphere to avoid the contact with oxygen that can produce unwanted effects. Different is the case when you want an oxidizing atmosphere to study particular effects. You can also use reducing atomsphere. It depends on your aims. The recommended atmosphere is however nitrogen or argon.