IP 538: Determination of the total acidity of ethanol - Colour indicator titration method

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  • Method adopted/last revised: 2008
  • Method reapproved: None
  • REF/ISBN: IP538-2936450
  • Status: Current
  • First printed in STM books: January 2008

Scope

This European Standard specifies a method for determining the total acidity, calculated as acetic acid, of ethanol to be used in petrol blends. It is applicable to ethanol having total acid contents of between 0,003 % (m/m) to 0,015 % (m/m).

NOTE For the purposes of this European Standard, the term % (m/m) and % (V/V) are used to represent the mass fraction and the volume fraction respectively.

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