Buffer solution pH = 2,00 (20 °C) (Citric acid/Sodium hydroxide/Hydrochloric acid). NIST traceable. SCHARLAU
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 250 ml :: Plastic bottle | SO10220250 | Check availability | Buy |
Other Packaging
| Packaging | Reference | Stock | List Price |
|---|---|---|---|
| x 1 l :: Plastic bottle | SO10221000 | Buy |
Characteristic
Volume : x 250 ml
- 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: 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
Technical documentation
TDS / Technical data sheet
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