Technical pH buffer solutions, certified reference material (CRM)
Certified reference material according to ISO 17034. The pH buffer solutions are colour-coded and the uncertainty of measurement of ±0.02 pH was tested at 25 °C. Supplied with detailed certification report which includes traceability to NIST. Lot numbers and expiry dates are printed on the label.
Toote variatsioonid
| pHvalue at 25 °C | Capacity | Colour | Catalog number | PK | Kogus | |
|---|---|---|---|---|---|---|
| 4.01 | 500 ml | Red | 4.695 429 | 1.00 | ||
| 10.00 | 500 ml | Blue | 4.695 428 | 1.00 | ||
| 4.60 | 500 ml | Red | 4.695 430 | 1.00 | ||
| 7.00 | 500 ml | Yellow | 4.695 431 | 1.00 | ||
| 9.21 | 500 ml | Blue | 4.695 432 | 1.00 |
