Standard Test Method for
Determining Impurities in High-Purity Ethylbenzene by Gas
Chromatography1
This standard is issued under the fixed designation D 5060; 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 the last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This test method describes the analysis of normally
occurring impurities in, and the purity of, ethylbenzene by gas
chromatography. Impurities determined include nonaromatic
hydrocarbons, benzene, toluene, xylenes, cumene, and diethyl benzene isomers.
1.2 This test method is applicable for impurities at concentrations from 0.001 to 1.000 % and for ethylbenzene purities of
99 % or higher. At this level, p-xylene may not be detected.
1.3 The following applies to all specified limits in this
standard: for purposes of determining conformance with this
standard, an observed value, or a calculated value 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 E 29.
1.4 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. For a specific
hazard statement, see Section 7.
2. Referenced Documents
2.1 ASTM Standards:
D 3437 Practice for Sampling and Handling Liquid Cyclic
Products2
D 4307 Practice for Preparation of Liquid Blends for Use as
Analytical Standards3
E 29 Practice for Using Significant Digits in Test Data to
Determine Conformance with Specifications4
E 355 Practice for Gas Chromatography Terms and Relationships4
E 1510 Practice for Installing Fused Silica Open Tubular
Capillary Columns in Gas Chromatographs
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