Buffer solution pH = 8,00 (20 °C) (Boric acid/Potassium chloride/Sodium hydroxide)

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Packaging	Reference	Stock	My Price
x 250 ml :: Plastic bottle	SO10280250	In stock	Buy

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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: 8,00
specification range: 7,99 - 8,01
uncertainty : ± 0,01
Composition per litre is 3,1 g Boric acid, 3,7 g Potassium chloride and approx. 39,8 g Sodium hydroxide 0,1N.

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: 8,15
5: 8,10
10: 8,07
15: 8,04
20: 8,00
25: 7,96
30: 7,94
35: 7,92
40: 7,90
45: 7,87
50: 7,85