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Definition of Api gravity

Api gravity Definition from Business & Finance Dictionaries & Glossaries
Glossary of petroleum Industry
Gravity (weight per unit of volume) of crude oil or other liquid hydrocarbons as measured by a system recommended by the API. API gravity bears a relationship to true specific gravity but is more convenient to work with than the decimal fractions which would result if petroleum were expressed in specific gravity. API gravity the measure of gravity of liquid petroleum products on the North American continent, derived from specific gravity in accordance with the following equatio
Api gravity Definition from Science & Technology Dictionaries & Glossaries
EIA Energy Glossary
American Petroleum Institute measure of specific gravity of crude oil or condensate in degrees. An arbitrary scale expressing the gravity or density of liquid petroleum products. The measuring scale is calibrated in terms of degrees API; it is calculated as follows:
Degrees API = (141.5 / sp.gr.60 deg.F/60 deg.F) - 131.5
Source: Energy Information Administration, 2006
Oil and Gas Field Glossary
The gravity (weight per unit volume) of crude oil or other related liquids as measured by a system recommended by the American Petroleum Institute. API Gravity is expressed in degrees, a specific gravity of 1.00 being equivalent to 10 API. API gravity is related to specific gravity (SG) by the following formula: API Gravity = (141.5 /Specific Gravity) - 131.5.
Technical English by wpv
A measure of density used in the US petroleum industry.
Api gravity Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water: if its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and sinks.

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