Solución tampón pH = 12,00 (20 °C) (di-Sodio hidrogenofosfato/Sodio hidróxido)
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 250 ml :: Botella de plástico | SO11420250 | In stock  |
Buy |
Other Packaging
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 1 l :: Botella de plástico | SO11421000 | Buy |
- Density: ~ 1,01 g/cm3 r- Solub. in water: (20 ºC): miscibler- Tariff number: 3822 00 00 00r- Applications: This reference material is intended for the calibration of pH meters and electrodes used for pH measurement or as a control sample for measuring the pH value.rrSPECIFICATIONSrpH at 20 ºC: 12,00rspecification range: 11,98 - 12,02runcertainty : ± 0,01rComposition per litre is 10,6 g di-Sodium hydrogen phosphate and 3,10 g Sodium hydroxide. rrStandard buffer solutions are prepared using gravimetric and volumetric procedures. The batch value is determined by measurement with a combination glass electrode against two-point calibration according to DIN 19268. This pH buffer solution is traceable to Standard Reference Material from NIST. r0: 12,58r5: 12,41r10: 12,26r15: 12,10r20: 12,00r25: 11,88r30: 11,72r35: 11,67r40: 11,54r45: 11,41r50: 11,33r
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