ASTM-D2502 2004

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D2502-04 Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements

Published By	Publication Date	Number of Pages
ASTM	2004	4

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Description

ASTM D2502-04

Historical Standard: Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements

ASTM D2502

Scope

1.1 This test method covers the estimation of the mean molecular weight (relative molecular mass) of petroleum oils from kinematic viscosity measurements at 100 and 210°F (37.78 and 98.89°C). It is applicable to samples with molecular weights 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 molecular weight (relative molecular mass) range.

1.2 Values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

1.3 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.

Keywords

kinematic viscosity; molecular weight; petroleum oils; relative molecular mass

ICS Code

ICS Number Code 75.080 (Petroleum products in general)

DOI: 10.1520/D2502-04

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use Procedure
2	TABLE 1
3	Precision and Bias FIG. 1
4	Keywords

Additional information

Standard Title	D2502-04 Standard Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements
Published Code	ASTM
Publication Date	2004
Pages Count	4