| Calibrators, drug mixture | 17 | — |
| Comparison of freezing points & stds. of known osmotic pressure, osmolality / Osmometer for clinical use | 13 | — |
| Drug mixture control materials | 61 | — |
| Electrode, ion selective (non-specified) | 9 | — |
| Electrode, ion-specific, chloride | 11 | — |