From: Assessment of mercury pollution sources in beach sand and coastal soil by speciation analysis
Sample | Fraction (µm) | % wt | Hg (µg g−1) | Mineral | |
---|---|---|---|---|---|
Fraction | Raw sample | ||||
A1 | 800–224 | 31 | 0.16 | 10.9 | Quartz (SiO2) fluorite (CaF2), calcite (CaCO3) |
224–125 | 67 | 14.0 | |||
< 125 | 2 | 16.6 | |||
A2 | 800–224 | 23 | 0.44 | 5.01 | Quartz, fluorite, calcite, barite (BaSO4) |
224–125 | 76 | 3.37 | |||
< 125 | 1 | 20.5 | |||
S1 | 800–224 | 30 | 8.96 | 23.1 | Quartz, fluorite, calcite, barite |
224–125 | 68 | 28.2 | |||
< 125 | 2 | 31.6 |