The ash deformation temperature is an important property of ash melting behaviour. It is defined as the temperature at which the first signs of rounding of the edges of the ash test piece occurs due to melting.

This property is determined in an oxidising atmosphere, using air or carbon dioxide, however the characteristic temperature can also be determined in a reducing atmosphere using a carbon monoxide/carbon dioxide gas mix or a hydrogen and carbon dioxide gas mix using analysis package P42 - Ash Melting Behaviour (Reducing Conditions).

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Analysis Packages for Ash Deformation Temperature (Oxidising)

The Celignis Analysis Package(s) that determine this constituent are listed below:

P41   Ash Melting Behaviour (Oxidising Conditions)
Ash Shrinkage Starting Temperature (Oxidising), Ash Deformation Temperature (Oxidising), Ash Hemisphere Temperature (Oxidising), Ash Flow Temperature (Oxidising) Further Details

Equipment Used for Ash Deformation Temperature (Oxidising) Analysis

Additional Material

We can determine the Ash Deformation Temperature (Oxidising) content of biomass, click here to learn more about our various biomass analysis methods.