ASTM D 1492 Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration
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ASTM D 1492 Document Information:
Title
Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration
ASTM International
Publication Date:
Feb 1, 2007
Scope:
This test method covers the determination of the amount of
bromine-reactive material in aromatic hydrocarbons. It is usually
applied to materials having bromine indexes below 500.
NOTE 1—Other test methods for determining bromine-reactive
material are Test Methods D 1159, D 1491, D 2710, and D 5776.
This test method has been found applicable to aromatic
hydrocarbons containing no more than trace amounts of olefins and
that are substantially free from material lighter than isobutane
and have a distillation end point under 288°C.
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 a specific hazard statement see
Section 8.
*A Summary of Changes section appears at the end of this
standard.
Keywords:
- aromatic hydrocarbons
- bromine index
- bromine-reactive
- coulometric titration
- titration
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