Cena s DPH / bez DPH
sklademVydáno: 2019
ISO 23497:2019
ISO 23497:2019-Determination of pH value — Technical buffer solutions for the calibration of technical measuring installations
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1800 Kč
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1800 Kč
| Označení normy: | ISO 23497:2019 |
| Počet stran: | 7 |
| Vydání: | 1 |
| Vydáno: | 2019 |
| Jazyk: | Anglicky |
| Počet stran (Anglicky): | 7 |
Popis
ISO 23497:2019
This document specifies requirements for technical buffer solutions. These buffer solutions are preferably used for the calibration and adjustment of technical pH measuring equipment as well as pH measuring installations in laboratories. Measuring methods are given to determine pH values and buffer capacities of such buffer solutions based on pH reference buffer solutions in accordance with ISO 23496. NOTE Annex A gives examples of technical buffer solutions.