ASTM D 2502 Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
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ASTM D 2502 Document Information:
Title
Standard Test Method for Estimation of Mean Relative Molecular Mass of Petroleum Oils from Viscosity Measurements
ASTM International
Publication Date:
Apr 1, 2004
Scope:
This test method covers the estimation of the mean relative molecular
mass of petroleum oils from
kinematic viscosity measurements at 100 and 210°F (37.78 and
98.89°C).(Footnote 2) It is
applicable to samples with mean relative molecular masses in the range
from 250 to 700 and is
intended for use with average petroleum fractions. It should not be
applied indiscriminately to
oils that represent extremes of composition or possess an
exceptionally narrow mean relative
molecular mass range.
The values stated in SI units are to be regarded as the standard. The
values given in parentheses
are for information only.
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.
Footnote 2 - Hirschler, A. E., Journal of the Institute of Petroleum,
JIPEA, Vol 32, 1946, p. 133.
Keywords:
- kinematic viscosity
- mean relative molecular mass
- petroleum oils
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