Astm D 4124 – 01 pdf free download

Standard Test Methods for
Separation of Asphalt into Four Fractions1

This standard is issued under the fixed designation D 4124; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 These test methods cover the separation of four defined
fractions from petroleum asphalts. The four fractions are
defined as saturates, naphthene aromatics, polar aromatics, and
nC7-asphaltenes. These methods can also be used to isolate
saturates, naphthene aromatics, and polar aromatics from
distillate products such as vacuum gas oils, lubricating oils, and
cycle stocks. These distillate products usually do not contain

1.2 The values stated in SI units are to be regarded as the

1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Sections 8 and 15.

2. Referenced Documents

2.1 ASTM Standards:
C 670 Practice for Preparing Precision and Bias Statements
for Test Methods for Construction Materials2
C 802 Practice for Conducting an Interlaboratory Test Program to Determine the Precision of Test Methods for
Construction Materials2
D 140 Practice for Sampling Bituminous Materials3
D 3279 Test Method for n-Heptane Insolubles3

2.2 Other Documents:
Manual on Hydrocarbon Analysis4

3. Terminology

3.1 Definitions of Terms Specific to This Standard:

3.1.1 asphaltenes or n-heptane insoluble—an insoluble matter that can be separated from asphalt following digestion of
the asphalt in n-heptane under the specified conditions in these
test methods.

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