Roztwór buforowy pH 5.00 (20 °C) (kwas octowy / wodorotlenek potasu ) 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 = 5,00 (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: 5,00
specification range: 4,99 – 5,01
uncertainty : ± 0,01
Composition per litre is 0,7 g Acetic acid glacial and 1,5 g sodium acetate. Contains preservative.
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: 4,97
5: 4,98
10: 4,99
15: 5,00
20: 5,00
25: 5,01
30: 5,01
35: 5,02
40: 5,02
45: 5,03
50: 5,03
