Roztwór buforowy pH 10.00 (20°C) (węglan sodu/wodorowęglan sodu) w odniesieniu do NIST – SCHARLAU
Informacje dodatkowe
| Wielkość opakowania | |
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| Nr katalogowy | |
| Producent: |
POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Buffer solution pH = 10,00 (20 °C)
– Density: 1,00 g/cm3
– Solub. in water: (20 ºC): miscible
– Melting point: -6 ºC
– Boiling point: 110 ºC
– Tariff number: 3822 00 00 00
– Applications: to fit pH of the reaction media.
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. This pH buffer solution is traceable to Standard Reference Material from NIST.
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
