ASTM-D2889 2005

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D2889-95(2005)e1 Standard Test Method for Calculation of True Vapor Pressures of Petroleum Distillate Fuels

Published By	Publication Date	Number of Pages
ASTM	2005	5

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Categories: 75.160.20 - Liquid fuels, ASTM

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Description

1.1 This test method describes the calculation of true vapor pressures of petroleum distillate fuels for which distillation data may be obtained in accordance with Test Method D 86 without reaching a decomposition point prior to obtaining 90 volume % distilled.

1.2 The test method may be used to calculate vapor pressures at temperatures between the 0 % equilibrium flash temperature and the critical temperature of the fuel. Provision is included for obtaining a calculated critical temperature for fuels for which it is not known.

1.3 Critical pressure-temperature data are usually not available for petroleum fuels. However, if both the critical pressure and critical temperature are known, the values shall be used as the coordinates in to establish a critical point to be used instead of the focal point established as described in ; and the calculations described in through are not required. If either a determined true boiling point or determined equilibrium flash vaporization temperature at 0 % distilled at atmospheric pressure is known, the determined value shall be used to establish the lower limit of the bubble-point line referred to in .

1.4 The method is not reliable for distillate fuels having a boiling range of less than 100F (38C) between the Test Method D 86 10 and 90 volume % distilled temperatures.

1.5 &inch-pound-units;

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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Summary of Test Method Significance and Use
2	Data Requirements Procedure FIG. 1
3	Report Precision and Bias Keywords FIG. 2
4	FIG. 3 FIG. 4
5	X1. EXAMPLE OF TRUE VAPOR PRESSURE CALCULATION X1.1

Additional information

Standard Title	D2889-95(2005)e1 Standard Test Method for Calculation of True Vapor Pressures of Petroleum Distillate Fuels
Published Code	ASTM
Publication Date	2005
Pages Count	5
ICS Codes	75.160.20 - Liquid fuels

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ASTM-D2889 2005

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