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| Symbol | Dimension | SI units | Oil metric units | Oil field units | Additional | |
|---|---|---|---|---|---|---|
Sal | – | ‰ | ppk | ppk | 1 1 * |
* In engineering practice Salinity is often measured in [ mg/L ] = 0.01 wt% but this is misnomer as the right-hand side is dimensionless quantity whereas the left-hand expression has a physical meaning of the density.
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