Roztwór buforowy pH 2.00 (20°C) (kwas cytrynowy/kwas solny) w odniesieniu do NIST – SCHARLAU
Additional information
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| Producent: |
POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Buffer solution pH = 2,00 (20 °C)
– Density: ~ 1,00 g/cm3
– Solub. in water: (20 ºC): miscible
– Tariff number: 3822 00 00 00
– Applications: in buffer solutions.
SPECIFICATIONS
pH at 20 �ºC: 2,00
specification range: 1,99 – 2,01
uncertainty : ± 0,01
Composition per litre is 6,4 g Citric acid, 2,4 g Sodium hydroxide and 7,3 g Hydrochloric acid 37%.
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. This pH buffer solution is traceable to Standard Reference Material from NIST.
0: 2,01
5: 2,01
10: 2,01
15: 2,00
20: 2,00
25: 2,00
30: 2,00
35: 2,00
40: 2,00
45: 2,00
50: 2,00
