ASTM D7975-14 PDF

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Standard Test Method for Determination of Vapor Pressure of Crude Oil: <brk/>VPCR<inf >x-F(Tm&deg;C)(Manual Expansion Field Method)
standard by ASTM International, 11/30/2014

Document Format: PDF

Description

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.

Product Details

Published:
11/30/2014
Number of Pages:
14
File Size:
1 file , 640 KB
Note:
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