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Elemental compositions of the iron coupons
| Composition categorya | Elements identified |
|||
|---|---|---|---|---|
| Before treatment | After treatment |
|||
| Abiotic control | Strain TCE1 | Strain LBE | ||
| Main elements (>10%) | Fe, O | Fe, O, C | Fe, O, C | Fe, O, C |
| Secondary elements (between 10 and 1%) | Si, C, Al, Ca | Si, Al | P, S, Mg, Ca | P, S, Si, Ca, Al |
| Trace elements (<1%) | K, Mg, P | Ca, Na, K, Mg, S, P, Cl | Si, Al | Mg, K |
The percentages reported correspond to the atomic percentages.
