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Simulated Distillation

Method Gas Chromatography
Standards ASTM D 2887

What is it used for?

Distillation is a widespread separation methodology in the petrochemical industry, with boiling ranges and fractioning giving insight into the quality of fuels.  Simulated distillation is a means of gaining this insight through a more streamlined methodology, namely gas chromatography utilising either FID or MS detection.

 

How does it work?

A portion of the sample is injected into the GC instrument, with the instrument separating out the hydrocarbon mixture into it’s constituent compounds.  These can then essentially be grouped into effective boiling ranges to give emulated  distillation data.

 

What do the results tell us?

The technique separates the hydrocarbons in terms of their volatility.

 

As such, the results present this distribution in % bandings.

 

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