Products

- Density: ~ 1,00 g/cm3
- Solub. in water: (20 ºC): miscible
- GHS-signal word: Danger
- Tariff number: 3822 90 00 00

SPECIFICATIONS
pH at 20 ºC: 9,00
specification range: 8,99 - 9,01
uncertainty : ± 0,01
Composition per litre is 3,1g Boric Acid, 3,8g Potassium chloride and 0,8g Sodium hydroxide

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: 9,24
5: 9,16
10: 9,11
15: 9,05
20: 9,00
25: 8,95
30: 8,91
35: 8,88
40: 8,85
45: 8,82
50: 8,79