ASTM D6377 - 20 - Standard Test Method for Determination of Vapor Pressure of Crude Oil:VPCR<sub>x</sub> (Expansion Method)

ASTM D6377 - 20

Standard Test Method for Determination of Vapor Pressure of Crude Oil:VPCRx (Expansion Method)

Status : Current   Published : June 2020

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1.1&#x00a0;This test method covers the use of automated vapor pressure instruments to determine the vapor pressure exerted in vacuum of crude oils. This test method is suitable for testing samples that exert a vapor pressure between 25&#8201;kPa and 180&#8201;kPa at 37.8&#8201;&#x00b0;C at vapor-liquid ratios from 4:1 and 0.02:1 (X = 4 and 0.02).

Note 1:&#x00a0; This test method is suitable for the determination of the vapor pressure of crude oils at temperatures from 0&#8201;&#x00b0;C to 100&#8201;&#x00b0;C and pressures up to 500 kPa, but the precision and bias statements (see Section 14) may not be applicable. The current precision of the method is limited at vapor-liquid ratios of 0.02 and 4. (Section 14 is inclusive of vapor-liquid ratios of 0.02 and 4).

1.2&#x00a0;This test method also allows the determination of vapor pressure for crude oil samples having pour points above 15&#8201;&#x00b0;C provided the proper sample handling, transfer, and analysis procedures are followed.

1.3&#x00a0;The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4&#x00a0; 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 7.2.1 &#x2013;7.3.2.

1.5&#x00a0; This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D6377 - 20
TitleStandard Test Method for Determination of Vapor Pressure of Crude Oil:VPCRx (Expansion Method)
StatusCurrent
Publication Date01 June 2020
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors crude oil, expansion method, Reid vapor pressure, vapor pressure
ICS75.040
PublisherASTM
FormatA4
DeliveryYes
Pages8
File Size123 KB
Price£40.00


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