Buffer solution pH = 2,00 (20 °C) (Citric acid/Sodium hydroxide/Hydrochloric acid)

- 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

- 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

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Reference
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Packaging
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