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ASTM-D1481:2007 Edition(Redline)

ASTM-D1481:2007 Edition(Redline)

$26.65

D1481-02(2007) Standard Test Method for Density and Relative Density (Specific Gravity) of Viscous Materials by Lipkin Bicapillary Pycnometer (Redline)

Published By Publication Date Number of Pages
ASTM 2007 7
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Significance and Use

Density is a fundamental physical property that can be used in conjunction with other properties to characterize both the light and heavy fractions of petroleum and to access the quality of crude oils.

Determination of the density or relative density of petroleum and its products is necessary for the conversion of measured volumes to volumes at the standard temperatures of 15 ° C.

The determination of densities at the elevated temperatures of 40 and 100 ° C is particularly useful in providing the data needed for the conversion of kinematic viscosities in centistokes (mm 2 /s) to the corresponding dynamic viscosities in centipoises (mPa · s).

1. Scope

1.1 This test method covers the determination of the density of oils more viscous than 15 cSt at 20 ° C (mm 2 /s), and of viscous oils and melted waxes at elevated temperatures, but not at temperatures at which the sample would have a vapor pressure of 100 mm Hg (13 kPa) or above.

Note 1—To determine the densities of less viscous liquids at 20 or 25 ° C use Test Method D 1217.

1.2 This test method provides a calculation procedure for converting density to relative density (specific gravity).

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced with

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