Table 1. ICP MS/OES results.
| Sample | Ca (OES) mg l−1 | Cu (MS) mg l−1 | Fe (OES) mg l−1 | K (OES) mg l−1 | Mn (OES) mg l−1 |
|---|---|---|---|---|---|
| Biofilm anoxic part | 393±1 | 210.5±0.4 | 2628±6 | 27.8±0.1 | 32.54±0.06 |
| Biofilm oxic part | 433.63±0.03 | 214±2 | 2807±5 | 39.73±0.01 | 34.79±0.07 |
|
Sample |
Na (OES) mg l−1 |
Ni (MS) μg l−1 |
P (OES) mg l−1 |
S (OES) mg l−1 |
V (MS) μg l−1 |
| Biofilm anoxic part | 251.8±0.3 | 527±7 | 8.8±0.2 | 2949±9 | 66.5±0.8 |
| Biofilm oxic part | 157.597±0.009 | 578±5 | 9.3±0.2 | 3125±9 | 61±0.5 |
Abbreviations: ICP, inductively coupled plasma; OES, optical emission spectrometry; MS, mass spectrometry.