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Analysis of Ash Shrinkage Starting Temperature (Oxidising), Ash Shrinkage Starting Temperature (Oxidising) Content of Biomass - Celignis Biomass Analysis Laboratory
  • Analytes Determined at Celignis
    Ash Shrinkage Starting Temperature (Oxidising)

The ash shrinkage starting temperature is an important property of ash melting behaviour. It is defined as the temperature at which the area of the ash test piece falls below 95% of the original test piece area at 550 C. This shrinkage may be due to a number of factors, including the liberation of carbon dioxide, volatile alkali compounds, and/or sintering.

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 Shrinkage Starting Temperature (Oxidising)

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


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Equipment Used for Ash Shrinkage Starting Temperature (Oxidising) Analysis



Ash Melting Furnace

Our Carbolite CAF G5 BIO ash melting furnace can determine the characteristic ash deformation temperatures for biomass.

Additional Material

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



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