Identification
Taric code: 3822 00 00
Applications
analytical chemistry, to fit pH of the reaction media.
Specifications
pH at °20 C…………………………………………..12,00
uncertainty ± 0,02
Composition per litre is 10,6g di-Sodium hydrogen phosphate and 3,10g 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 two-point calibration according to DIN 19268. This pH buffer solution is traceable to Standard Reference Material from NIST.
T (°C)……………………………………………..pH
0………………………………………………..12,58
5………………………………………………..12,41
10………………………………………………12,26
15………………………………………………12,10
20………………………………………………12,00
25………………………………………………11,88
30………………………………………………11,72
35………………………………………………11,67
40………………………………………………11,54
45………………………………………………11,41
50………………………………………………11,33
Packaging
- 1000 ml
Physical data
- Density: ~ 1,01 g/cm3
- Solub. in water: (20 ºC): miscible