pH buffer solutions at 20 °C, certified reference material (CRM)
Certified reference material according to ISO 17034. The pH buffer solutions are colour-coded and the uncertainty of measurement of ±0.01 pH was tested at 20 °C. Supplied with detailed certification report which includes traceability to NIST. Lot numbers and expiry dates are printed on the label.
Toote variatsioonid
| pH-value at 20 °C | Capacity | Colour | Catalog number | PK | Kogus | |
|---|---|---|---|---|---|---|
| 7.00 | 500 ml | Yellow | 4.695 386 | 1.00 | ||
| 10.00 | 500 ml | Blue | 4.695 384 | 1.00 | ||
| 4.00 | 500 ml | Red | 4.695 385 | 1.00 |
