Rhenium (Re)

Atomic number:	75
Atomic weight:	186.207
Average concentration in ocean:	41 pmol/kg
Residence time:	yrs

Distribution in ocean
The vertical concentration profile of rhenium is constant, indicating a conservative distribution in seawater (data).

Speciation
Rhenium is present in the +VII oxidation state as the rhenate anion, ReO₄^-.

Analysis

References & Notes