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Effect of sequential precipitations on removal of matrix ions from seawater with TEA-assisted Mg(OH)2 coprecipitation. Values (µg mL−1) are mean ± standard deviation for four replicates (n = 4)
| Element | Coprecipitation number | ||
|---|---|---|---|
|
| |||
| 1st | 2nd | 3rd | |
|
|
|||
| Na | 2650 ± 225 | 74 ± 16 | 4.5 ± 1.0 |
| K | 71 ± 12 | 3.8 ± 0.8 | 0.7 ± 0.1 |
| Ca | 48 ± 8 | 5.8 ±1.2 | 1.2 ± 0.05 |
| Mg | 2196 ± 154 | 935 ± 118 | 737 ± 127 |
