| 87767 | Buffer capsules pH 4 (10 capsules) | 10 caps | 133 € | Research sys | human |
| 95323 | Buffer capsules pH 6 (10 capsules) | 10 caps | 133 € | Research sys | human |
| 18533 | Buffer capsules pH 7 (10 capsules) | 10 caps | 133 € | Research sys | human |
| 74399 | Buffer capsules pH 9.2 (10 capsules) | 10 caps | 133 € | Research sys | human |
| CP1100 | pH Buffer Capsules pH 10.00 +/- 0.02 at 25°C Blue, ISO17025 certificated, NIST tracable | 50 Capsules | 169 € | reageco | human |
| CP1040 | pH Buffer Capsules pH 4.01 +/- 0.02 at 25°C Red, ISO17025 certificated, NIST tracable | 50 Capsules | 169 € | reageco | human |
| CP1070 | pH Buffer Capsules pH 7.00 +/- 0.02 at 25°C Green, ISO17025 certificated, NIST tracable | 50 Capsules | 169 € | reageco | human |
| CP1090 | pH Buffer Capsules pH 9.00 +/- 0.02 at 25°C Purple, ISO17025 certificated, NIST tracable | 50 Capsules | 169 € | reageco | human |