Analysis of asphalt

Details Analysis of asphalt Analysis of asphalt

1988-10-31

1991-02-05

Hart, Charles

Chemistry: analytical and immunological testing

Hydrocarbon

55 67, 436161, 436174, G01N 3300

Patent

active

049904566

ABSTRACT:
The rubber content in a low gel rubber modified asphalt may be accurately and rapidly determined using gel permeation chromatography in which one or more columns comprise glass particles having a size from 80/120 mesh to 200/400 mesh and a pore size from 75 to 120A. The analysis may be automated and is faster and more accurate than currently used procedures.

REFERENCES:
patent: 3719084 (1973-03-01), Walker
patent: 4728344 (1988-03-01), Stacy

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