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ASTM-E1782:2008 Edition

ASTM-E1782:2008 Edition

$40.63

E1782-08 Standard Test Method for Determining Vapor Pressure by Thermal Analysis

Published By Publication Date Number of Pages
ASTM 2008 6
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ASTM E1782-08

Historical Standard: Standard Test Method for Determining Vapor Pressure by Thermal Analysis

ASTM E1782

Scope

1.1 This test method describes a procedure for the determination of the vapor pressure of pure liquids or melts from boiling point measurements made using differential thermal analysis (DTA) or differential scanning calorimetry (DSC) instrumentation operated at different applied pressures.

1.2 This test method may be used for the temperature range 273 to 773 K (0 to 500 °C) and for pressures between 5 kPa to 2 MPa. These ranges may differ depending upon the instrumentation used and the thermal stability of materials tested. Because a range of applied pressures is required by this test method, the analyst is best served by use of instrumentation referred to as high pressure differential thermal instrumentation (HPDSC or HPDTA).

1.3

1.4 There is no ISO standard equivalent to this test method.

1.5 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.

Keywords

Antoine equation; boiling pressure; boiling temperature; differential scanning calorimetry (DSC); differential thermal analysis (DTA); vapor pressure; Antoine equation; Boiling temperature/pressure; Differential scanning calorimetry (DSC); Differential thermal analysis (DTA); Liquids–laboratory applications; Thermal analysis (TA); Vapor pressure (VPx)

ICS Code

ICS Number Code 17.200.10 (Heat. Calorimetry)

DOI: 10.1520/E1782-08

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Summary of Test Method
2 Significance and Use
Interferences
Apparatus
FIG. 1
FIG. 2
3 Precautions
Sampling
Calibration
Procedure
4 Calculation
Report
Precision and Bias
FIG. 3
5 Keywords
X1. VAPOR PRESSURE OF WATER 5 kPa TO 2 MPa

TABLE X1.1

6 REFERENCES

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