These test methods cover the determination of ethylbenzene and
total eight-carbon (C8) and heavier aromatics in the
concentration range from 0.1 to 30 % in mineral spirits having a
distillation range from 149 to 210°C (300 to 410°F) as determined
by Test Method D86. The procedures permit the identification and
calculation of concentrations of aromatic components to 0.1 volume
It is recognized by analytical chemists that a single column gas
chromatography analysis of an unknown sample is risky. In such
cases, multiple and different analytical techniques must be used
for absolutely positive identification, for example, several
different gas chromatography columns, gas chromatography/mass
spectrometer, or gas chromatography/infrared, etc. In these test
methods the material is known and is clearly defined.
Oxygenated compounds, if present, may interfere and cause
erroneous results. Such oxygenated compounds are not normally
present in mineral spirits.
Three test methods are covered as follows:
Test Method A, measurement of ethylbenzene content,
C8 plus higher aromatics (except ethylbenzene), and
total aromatics by means of a single packed column gas
Test Method B, measurement of ethylbenzene content by
means of a rapid packed column gas chromatographic analysis.
Test Method C, measurement of ethylbenzene content,
C8 plus higher aromatics (except ethylbenzene) and total
aromatics by means of a capillary column gas chromatographic
The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
For purposes of determining conformance of an observed or a
calculated value using this test method to relevant specifications,
test result(s) shall be rounded off "to the nearest unit" in the
last right-hand digit used in expressing the specification limit,
in accordance with the rounding-off method of Practice E29.
For hazard information and guidance, see the supplier's Material
Safety Data Sheet.
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.
*A Summary of Changes section appears at the end of this
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