ICP-MS/OES results on non-treated, thermally purified, and thermally/chemically purified DC salts.
| Salt Treatment | Fe ppm | Cr ppm | Mn ppm | Ni ppm |
|---|---|---|---|---|
| Non-treated | 31 | 17 | 3 | 1 |
| After thermal | 7018 | 327 | 166 | 1112 |
| After thermal/chemical | 394 | 120 | 39 | 8 |
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