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Publication Details

Analytical Method to Measure Water in Asphalt and Its Application to Emulsion Residue Recovery Research/Reference: useful for researchers doing further work in the pavement area as well as those developing improved testing and design procedures. Includes documents of historical value.

Primary Topic: Pavement Data Collection

Description: In preliminary studies, samples of asphalt were sent to a commercial laboratory for KF analysis. Inconsistent results suggested that atmospheric water may have contaminated the samples. New laboratory techniques-including storing samples, solvents, and glassware in a dry atmosphere and performing all sample preparation in a dry environment-were employed, and these techniques subsequently improved repeatability to 20parts per million (ppm)/sample.

FHWA Publication Number: FHWA-HRT-15-056

Publication Year: 2017

Document Links: HTML  PDF (file size: 0.3 mb)



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Updated: 06/27/2017
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000