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About This Item

 

Full Description

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 0.2 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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. (See also IEEE/ASTM SI 10.)

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.

 

Document History

  1. ASTM E1782-14

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    Standard Test Method for Determining Vapor Pressure by Thermal Analysis

    • Most Recent
  2. ASTM E1782-08


    Standard Test Method for Determining Vapor Pressure by Thermal Analysis

    • Historical Version
  3. ASTM E1782-03


    Standard Test Method for Determining Vapor Pressure by Thermal Analysis

    • Historical Version
  4. ASTM E1782-98


    Standard Test Method for Determining Vapor Pressure by Thermal Analysis

    • Historical Version