Roztwór buforowy pH 13.00 (20°C) (potasu chlorek /wodorotlenek sodu ) w odniesieniu do NIST – SCHARLAU
Informacje dodatkowe
| Wielkość opakowania | |
|---|---|
| Nr katalogowy | |
| Producent: |
POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Buffer solution pH = 13,00 (20 °C)
– Density: ~ 1,00 g/cm3
– Solub. in water: (20 ºC): miscible
– Tariff number: 3822 00 00 00
– Applications: analytical chemistry, to fit pH of the reaction media.
SPECIFICATIONS
pH at 20 �ºC: 13,00 ± 0,02
uncertainty ± 0,01 Composition per litre is 3,7 g Potassium chloride and 4,3 g 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.
0: 13,80
5: 13,59
10: 13,37
15: 13,18
20: 13,00
25: 12,83
30: 12,67
35: 12,59
40: 12,41
45: 12,28
50: 12,15
