Standard Historical Last Updated: Nov 12, 2012 Track Document
ASTM D287-92(2006)

Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) D0287-92R06 ASTM|D0287-92R06|en-US Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method) Standard new BOS Vol. 05.01 Committee D02
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Significance and Use

Accurate determination of the gravity of petroleum and its products is necessary for the conversion of measured volumes to volumes at the standard temperature of 60°F (15.56°C).

Gravity is a factor governing the quality of crude oils. However, the gravity of a petroleum product is an uncertain indication of its quality. Correlated with other properties, gravity can be used to give approximate hydrocarbon composition and heat of combustion.

Scope

1.1 This test method covers the determination by means of a glass hydrometer of the API gravity of crude petroleum and petroleum products normally handled as liquids and having a Reid vapor pressure (Test Method D 323) of 26 psi (180 kPa) or less. Gravities are determined at 60ˌF (15.56°C), or converted to values at 60F, by means of standard tables. These tables are not applicable to nonhydrocarbons or essentially pure hydrocarbons such as the aromatics.

Note 1—The international version of this test method is described in Test Method D 1298.

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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. For specific hazard statements, see 8.3.

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Details
Book of Standards Volume: 05.01
Developed by Subcommittee: D02.02
Pages: 3
DOI: 10.1520/D0287-92R06
ICS Code: 75.080