ASTM-E1719:2005 Edition

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E1719-05 Standard Test Method for Vapor Pressure of Liquids by Ebulliometry

Published By	Publication Date	Number of Pages
ASTM	2005	7

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Category: ASTM

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Description

1.1 This test method describes procedures for determination of the vapor pressure of liquids by ebulliometry (boiling point measurements). It is applicable to pure liquids and azeotropes that have an atmospheric boiling point between 285 and 575 K and that can be condensed completely and returned to the ebulliometer boiler, that is, all materials must be condensable at total reflux. Liquid mixtures may be studied if they do not contain non-condensable components. Liquid mixtures that contain trace amounts of volatile but completely condensable components may also be studied, but they will produce vapor pressure data of greater uncertainty. Boiling point temperatures are measured at applied pressures of 1.0 to 100 kPa (7.5 to 760 torr).

1.2 SI units are the standard.

1.3 There is no ISO equivalent to this standard.

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 Section .

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Interferences Apparatus FIG. 1
3	Safety Precautions Procedure FIG. 2
4	Calculation FIG. 3
5	Report Precision and Bias Keywords
6	A1. CHECKING EBULLIOMETER OPERATION AND CAPABILITY A1.1 Scope A1.2 Summary of Test A1.3 Procedure A1.4 Calculation A2. SPECIFICATIONS FOR WATER, n-HEPTANE, n-DECANE, AND n-DODECANE A2.1 Water A2.2 n-Heptane, n-Decane, and n-Dodecane TABLE A1.1
7	A3. SAMPLE CALCULATIONS AND REPORT A3.1 Sample Experimental Data A3.2 Sample Calculations A3.3 Sample Vapor Pressure Report FIG. A3.1