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ASTM D7975-14
Standard Test Method for Determination of Vapor Pressure of Crude Oil: VPCRx-F(Tm°C)(Manual Expansion Field Method)More info
1.1 This test method covers the use of manual vapor pressure instruments to determine the vapor pressure of crude oils exerted in a vacuum. This test method is suitable for testing samples that exert a vapor pressure between 25 kPa and 180 kPa at 37.8 °C at vapor/liquid ratios from 4:1 to 0.25:1 (X = 4 to 0.25, see 3.2.4).
Note 1: This test method is suitable for the determination of the vapor pressure of crude oils at temperatures from 0 °C to 60 °C and pressures up to 500 kPa, but the precision and bias statements (see Section 15) may not be applicable.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 75.080 : Petroleum products in general |
| Number of pages | 14 |
| Set | ASTMVOL0505 |
| Year | 2014 |
| Document history | |
| Country | USA |
| Keyword | ASTM 7975;ASTM D7975;ASTM D7975;10.1520/D7975-14 |