pH buffer solutions
For accurate and reproducible calibration of pH meters and pH electrodes.
- Colour-coded
- NIST™-traceable standard reference materials
- Bottles of 475 ml
Toote variatsioonid
| Colour | pHvalue at 25 °C | Catalog number | PK | Kogus | |
|---|---|---|---|---|---|
| Colourless | 1.68 | 6.290 554 | 1.00 | ||
| pink | 4.01 | 6.243 713 | 1.00 | ||
| Colourless | 6.86 | 6.290 555 | 1.00 | ||
| yellow | 7.00 | 6.243 714 | 1.00 | ||
| Colourless | 12.46 | 7.661 259 | 1.00 | ||
| Orange | 5.00 | 7.661 258 | 1.00 | ||
| blue | 10.01 | 6.243 715 | 1.00 |
