Element | Symbol | Mean | Std. dev. | Minimum | Maximum |
---|---|---|---|---|---|
Aluminum | Al (wt%) | 5.879 | 0.256 | 5.167 | 6.433 |
Arsenic | As (ppm) | 13.472 | 2.105 | 8.705 | 19.321 |
Calcium | Ca (wt%) | 0.802 | 0.052 | 0.700 | 0.925 |
Copper | Cu (ppm) | 19.406 | 1.590 | 14.206 | 22.103 |
Iron | Fe (wt%) | 2.567 | 0.166 | 2.161 | 2.906 |
Mercury | Hg (ppm) | 0.066 | 0.004 | 0.060 | 0.076 |
Magnesium | Mg (wt%) | 0.638 | 0.070 | 0.416 | 0.741 |
Manganese | Mn (ppm) | 489.530 | 62.871 | 371.613 | 638.154 |
Sodium | Na (wt%) | 0.755 | 0.067 | 0.606 | 0.896 |
Phosphorus | P (wt%) | 0.068 | 0.014 | 0.036 | 0.100 |
Lead | Pb (ppm) | 29.124 | 3.373 | 22.471 | 39.833 |
Selenium | Se (ppm) | 0.538 | 0.078 | 0.403 | 0.753 |
Titanium | Ti (wt%) | 0.288 | 0.014 | 0.261 | 0.313 |
Zinc | Zn (ppm) | 84.813 | 10.350 | 60.263 | 115.707 |