Solución tampón pH = 2,00 (20 °C) (Ácido cítrico/Sodio hidróxido/Ácido clorhídrico)
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 250 ml :: Botella de plástico | SO10220250 | In stock  |
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Other Packaging
| Packaging | Reference | Stock | My Price |
|---|---|---|---|
| x 1 l :: Botella de plástico | SO10221000 | Buy |
- Density: ~ 1,00 g/cm3 r- Solub. in water: (20 ºC): miscibler- Tariff number: 3822 00 00 00r- 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.rrSPECIFICATIONSrpH at 20 ºC: 2,00rspecification range: 1,99 - 2,01runcertainty : ± 0,01rComposition per litre is 6,4 g Citric acid, 2,4 g Sodium hydroxide and 7,3 g Hydrochloric acid 37%. rrStandard 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. r0: 2,01r5: 2,01r10: 2,01r15: 2,00r20: 2,00r25: 2,00r30: 2,00r35: 2,00r40: 2,00r45: 2,00r50: 2,00r
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