| Confezionamento | Codice | Disponibilità Spagna | Disponibilità Italia | Prezzo prodotto |
|---|---|---|---|---|
| x 250 ml :: Plastic bottle | SO10230250 | Disponibile | 0 - contatta i ns.uffici | Acquista |
| Confezionamento | Codice | Disponibilità Spagna | Disponibilità Italia | Listino prezzi |
|---|---|---|---|---|
| x 1 l :: Plastic bottle | SO10231000 | Acquista |
Caratteristiche
Capacità : 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: 3,00
specification range: 2,99 - 3,01
uncertainty : ± 0,01
Composition per litre is 1,2 g of ortho-Phosphoric acid concentrated and 11,2 g of Potassium dihydrogen phosphate.
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.
T (°C): pH
0: 2,96
5: 2,96
10: 2,97
15: 2,98
20: 3,00
25: 3,01
30: 3,01
35: 3,01
40: 3,01
45: 3,01
50: 3,01
TDS / Scheda tecnica
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