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ASTM D5190-07

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Standard Test Method for Vapor Pressure of Petroleum Products (Automatic Method) (Withdrawn 2012)

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1.1 This test method covers the determination of the total vapor pressure of air-containing, volatile, petroleum products. This test method is suitable for testing samples with boiling points above 0°C (32°F) that exert a vapor pressure between 7 and 172 kPa (1 and 25 psi) at 37.8°C (100°F) at a vapor-to-liquid ratio of 4:1. This test method is suitable for testing gasoline samples that contain oxygenates. No account is made of dissolved water in the sample.

1.1.1 Some gasoline-oxygenate blends may show a haze when cooled to 0 to 1°C. If a haze is observed in 8.5, it shall be indicated in the reporting of results. The precision and bias statements for hazy samples have not been determined (see Note 8).

1.2 This test method is suitable for the calculation of a dry vapor pressure equivalent (DVPE) by means of a correlation equation (see 13.1). The calculated DVPE very closely approximates the dry vapor pressure that would be obtained on the same material when tested in accordance with Test Method D 4953.

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. For specific hazard statements, see 7.3 through 7.5 and 9.2.

Vapor pressure is an important physical property of volatile liquids.

The vapor pressure of gasoline and gasoline-oxygenate blends is regulated by various government agencies.

Specifications for volatile petroleum products generally include vapor pressure limits to ensure products of suitable volatility performance.

This test method is more precise than Test Method D 4953.

SDO ASTM: ASTM International
Document Number D5190
Publication Date Nov. 1, 2007
Language en - English
Page Count 6
Revision Level 07
Supercedes
Committee D02.08.0D
Publish Date Document Id Type View
Nov. 1, 2007 D5190-07 Revision
May 10, 2001 D5190-01 Revision
Jan. 10, 1999 D5190-99 Revision