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AASHTO TP 78

Standard Specification for Detecting the Presence of Phosphorous in Asphalt Binder

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Organization: AASHTO
Publication Date: 1 January 2009
Status: inactive
Page Count: 4

Document History

AASHTO TP 78
January 1, 2009
Standard Specification for Detecting the Presence of Phosphorous in Asphalt Binder
A description is not available for this item.
January 1, 2009
Standard Specification for Detecting the Presence of Phosphorous in Asphalt Binder
This qualitative test method can be used to identify the presence of polyphosphoric acid (PPA) in asphalt binder or residue. If PPA is present in the binder, a blue color is developed in...

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