ASTM D 6526 Standard Test Method for Analysis of Toluene by Capillary Column Gas Chromatography
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ASTM D 6526 Document Information:
Title
Standard Test Method for Analysis of Toluene by Capillary Column Gas Chromatography
ASTM International
Publication Date:
Jan 10, 2003
Scope:
This test method covers the determination of hydrocarbon impurities
typically found in, and the
purity of, samples containing 98 wt % and greater toluene. This test
method is applicable to
impurity concentrations in the range of 0.0005 to 1.6 wt %.
Monocyclic aromatic hydrocarbons containing 6 through 8 carbon atoms,
cumene, 1,4 - dioxane, and
nonaromatic aliphatic hydrocarbons containing up to 12 carbon atoms
can be detected by this test
method. The nonaromatic compounds are determined as a composite.
The following applies to all specified limits in this test method: for
purposes of determining
conformance with this test method, 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.
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
specific hazard statements, see Section 9.
Keywords:
- benzene
- gas chromatography
- impurities
- toluene purity
- 1,4-dioxane
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