ASTM D 6143 Standard Test Method for Iron Content of Bisphenol A (4,4' - Isopropylidenediphenol)
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ASTM D 6143 Document Information:
Title
Standard Test Method for Iron Content of Bisphenol A (4,4' - Isopropylidenediphenol)
ASTM International
Publication Date:
Jul 1, 2005
Scope:
(Footnote *)
This test method covers the procedure to determine the iron content of
bisphenol A
(4,4'-isopropylidenediphenol).
This test method has a lower detection limit of 0.1 mg/kg, and an
upper limit of 10 mg/kg of iron
in bisphenol A. If the iron content is higher, it may be necessary to
dilute the sample. A longer
path length cell can also be used for better accuracy at lower Fe
levels, as well as calibration
within the range expected (for example, 0 to 1 mg/kg versus 0 to 10
mg/kg for samples expected to
be in the 0 to 1 mg/kg range.
In determining the conformance of the test results using this method
to applicable specifications,
results shall be rounded off in accordance with the rounding-off
method of Practice E 29.
The values stated in SI units are to be regarded as standard. No other
units of measurement are
included in this standard.
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 limits
prior to use. For a specific
hazard statement, see Section 8.
Footnote * - A Summary of Changes section appears at the end of this
standard.
Keywords:
- bisphenol A
- iron
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