Buffer solution pH = 10,00 (20 °C), blue-coloured

- Density: ~ 1,00 g/cm3
- Solub. in water: (20 ºC): miscible
- Tariff number: 3822 00 00 00

SPECIFICATIONS
pH at 20 ºC: 10,00
specification range: 9,98 - 10,02
uncertainty : ± 0,01
Composition per litre is 2,4g Sodium carbonate and 2,1 g Sodium hydrogen carbonate

Standard 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.
T (°C): pH
0: 10,25
5: 10,18
10: 10,12
15: 10,06
20: 10,00
25: 9,97
30: 9,93
35: 9,91
40: 9,89
45: 9,83
50: 9,78