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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.
The analysis highlights Measurement and Standards as prominent areas in the source structure around API gravity.
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Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
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The extracted context around API gravity shows recurring relationship patterns in the source. For example, API gravity → API, ASTM D1250, ASTM D1298, ASTM D287, ASTM D4052, Density, Petroleum Measurement Tables, U-tube Another extracted example is API gravity → API, Conversely, SG. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
gravity api petroleum hydrometer water less oil specific density liquids scale crude standard liquid measurement method heavy 10 used astm
TTTA extracted 17 structured relationships around API gravity. Examples in this analysis include API gravity → measured by → API and API gravity → measured by → ASTM D1298. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| API gravity | measured by | API | 0.60 | section |
| API gravity | measured by | ASTM D1298 | 0.60 | section |
| API gravity | measured by | U-tube | 0.60 | section |
| API gravity | measured by | ASTM D4052 | 0.60 | section |
| API gravity | measured by | Density | 0.60 | section |
| API gravity | measured by | Petroleum Measurement Tables | 0.60 | section |
| API gravity | measured by | ASTM D1250 | 0.60 | section |
| API gravity | measured by | ASTM D287 | 0.60 | section |
| API gravity | related to API gravity formulas | API | 0.60 | section |
| API gravity | related to API gravity formulas | SG | 0.60 | section |
| API gravity | related to API gravity formulas | Conversely | 0.60 | section |
| API gravity | related to Classifications or grades | Generally | 0.60 | section |
The concept neighborhoods around API gravity bring nearby vocabulary together. In this analysis, examples include Api, Gravity and Hydrometer. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For API gravity, one of the stronger structural bridges in this analysis connects API gravity with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around API gravity to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — API gravity · EN edition · Analysis: TopicsToTalkAbout
