Buffer solution pH = 6,00 (20 °C) (Potassium dihydrogen phosphate/Sodium hydroxide)
- Density: ~ 1,00 g/cm3
- Solub. in water: (20 ºC): miscible
- Tariff number: 3822 00 00 00
- Applications: This reference material is intended for the calibration of pH meters and electrodes used for pH measurement or as a control sample for measuring the pH value.
SPECIFICATIONS
pH at 20 ºC: 6,00
specification range: 5,99 - 6,01
uncertainty : ± 0,01
Composition per litre is 6,8 g Potassium dihydrogen phosphate and 6,0 g Sodium hydroxide. 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: 6,06
5: 6,04
10: 6,02
15: 6,01
20: 6,00
25: 5,99
30: 5,99
35: 5,98
40: 5,98
45: 5,96
50: 5,95
| Reference | ||
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SO10060250 |
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SO10061000 |
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