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ASTM D287-22

Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method)

standard by ASTM International , 12/01/2022

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Full Description

1.1 This test method covers the determination by means of a glass hydrometer in conjunction with a series of calculations of the API gravity of crude petroleum and petroleum products normally handled as liquids and having a Reid vapor pressure (Test Method D323) of 14.696 psi (101.325 kPa) or less. Values are determined at existing temperatures and corrected to values at 60 °F (15.56 °C), or converted to values at 60 °F, by means of Adjunct to D1250 Standard Guide for the Use of the Joint API and ASTM Adjunct for Temperature and Pressure Volume Correction Factors for Generalized Crude Oils, Refined Products, and Lubricating Oils (API MPMS Chapter 11.1). These tables are not applicable to nonhydrocarbons or essentially pure hydrocarbons such as the aromatics.
1.2 The initial values obtained are uncorrected hydrometer readings and not density measurements. Values are measured on a hydrometer at either the reference temperature or at another convenient temperature, and readings are corrected for the meniscus effect, the thermal glass expansion effect, alternate calibration temperature effects and to the reference temperature by means of the petroleum measurement tables; values obtained at other than the reference temperature being hydrometer readings and not density measurements.
1.3 The initial hydrometer readings determined shall be recorded before performing any calculations. Then the calculations required in Section 9 shall be performed and documented before using the final result in a subsequent calculation procedure (measurement ticket calculation, meter factor calculation, or base prover volume determination).
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statement, see 8.5.
1.6 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.
 

Product Details

Published:
12/01/2022
Number of Pages:
12
File Size:
1 file , 680 KB
Redline File Size:
2 files , 1000 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus
 

Document History

  1. ASTM D287-22

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    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer/Method)

    • Most Recent

  2. ASTM D287-12b(2019)


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  3. ASTM D287-1992


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  4. ASTM D287-12b


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  5. ASTM D287-12a


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  6. ASTM D287-12


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  7. ASTM D287-92(2006)


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  8. ASTM D287-92(2000)e1


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version

  9. ASTM D287-92


    Standard Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)

    • Historical Version