| Inorganic salts | Relative activity (%) | Cell growth (O.D. at 600 nm) |
|---|---|---|
| None | 92.3 | 1.7 |
| AlCl3 | 79.8 | 1.1 |
| Bi(NO3)3 | 9.1 | 0.1 |
| CaCl2 | 90.4 | 1.7 |
| Cd(NO3)2 | 0.0 | 0.0 |
| CuSO4 | 16.2 | 0.3 |
| FeCl3 | 8.4 | 0.1 |
| FeSO4 | 8.4 | 0.1 |
| Hg(NO3)2 | 0.0 | 0.0 |
| HgCl2 | 0.0 | 0.0 |
| HgSO4 | 0.0 | 0.0 |
| LiCl2 | 6.8 | 0.1 |
| MgSO4 | 100.0 | 1.8 |
| MnCl2 | 79.4 | 1.3 |
| Na2Cr2O7 | 18.7 | 0.4 |
| NiSO4 | 62.2 | 1.2 |
| PbCl2 | 1.4 | 0.0 |
| ZnSO4 | 53.8 | 0.9 |