ASTM D287 PDF

Historical Version s - view previous versions of standard. More D This test method can also be used for viscous liquids by allowing sufficient time for the hydrometer to reach temperature equilibrium, and for opaque liquids by employing a suitable meniscus correction. Additionally for both transparent and opaque fluids the readings shall be corrected for the thermal glass expansion effect before correcting to the reference temperature. However, the gravity of a petroleum product is an uncertain indication of its quality.

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Submit Question. Request A Quote. Toggle navigation. Condition Monitoring Services. Bottling Program. Request a Quote Contact Us. This procedure is most suitable for determining the API gravity of low viscosity transparent liquids.

This test method can also be used for viscous liquids by allowing sufficient time for the hydrometer to reach temperature equilibrium, and for opaque liquids by employing a suitable meniscus correction. Additionally for both transparent and opaque fluids the readings shall be corrected for the thermal glass expansion effect before correcting to the reference temperature. However, the gravity of a petroleum product is an uncertain indication of its quality.

Correlated with other properties, gravity can be used to give approximate hydrocarbon composition and heat of combustion. Scope 1. These tables are not applicable to nonhydrocarbons or essentially pure hydrocarbons such as the aromatics. Values are measured on a hydrometer at either the reference temperature or at another convenient temperature, and readings corrected for the meniscus effect, the thermal glass expansion effect, alternate calibration temperature effects and to the reference temperature by means of volume correction tables.

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.

The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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.

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These tables are not applicable to nonhydrocarbons or essentially pure hydrocarbons such as the aromatics. Values are measured on a hydrometer at either the reference temperature or at another convenient temperature, and readings corrected for the meniscus effect, the thermal glass expansion effect, alternate calibration temperature effects and to the reference temperature by means of volume correction tables. 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. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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.

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ASTM D287 - API Gravity

JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. When used in connection with bulk oil measurements, volume correction errors are minimized by observing the hydrometer reading at a temperature close to that of the bulk oil temperature. Density, relative density, or API gravity is a factor governing the quality and pricing of crude petroleum. However, this property of petroleum is an uncertain indication of its quality unless correlated with other properties. Density is an important quality indicator for automotive, aviation and marine fuels, where it affects storage, handling and combustion.

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Active view current version of standard. Other Historical Standards. More D These tables are not applicable to nonhydrocarbons or essentially pure hydrocarbons such as the aromatics.

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