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IP 488: Bitumen and bituminous binders - Determination of the pH value of bituminous emulsions
- Method adopted/last revised: 2009
- Method reapproved: None
- REF/ISBN: IP488-BITUMEN
- Status: Current
- First printed in STM books: January 2009
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Scope
This European Standard specifies a method for measuring the pH value of bituminous emulsions.
It is applicable to anionic, cationic bituminous emulsions and bituminous emulsions prepared by means of non – ionic surfactant.
NOTE In certain circumstances, the pH value can provide an indication of the ionic character of a bitumen emulsion. However, this indication should be confirmed by a particle polarity test conforming to EN 1430 [1].
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