Products

- Density: ~ 1,005 g/cm3
- Solub. in water: (20 ºC): miscible
- Tariff number: 3822 00 00 00

SPECIFICATIONS
pH at 20 ºC: 7,00
specification range: 6,99 - 7,01
uncertainty : ± 0,01
Composition per litre is 3,5 g Potassium dihydrogen phosphate and 12,5 g di-Sodium hydrogen phosphate. Contains preservative.

Standard buffer solutions are prepared using gravimetric and volumetric procedures. The batch value is determined by measurement with a combination glass electrode against five-point calibration according to DIN 19268.
T (°C): pH
0: 7,13
5: 7,07
10: 7,05
15: 7,02
20: 7,00
25: 6,98
30: 6,98
35: 6,96
40: 6,95
45: 6,95
50: 6,95