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Solución tampón pH = 7,02 (20 °C) (Potasio dihidrogenofosfato/di-Sodio hidrogenofosfato)

Packaging	Reference	Stock	My Price
x 1 l :: Botella de plástico	SO10081000	In stock	Buy

Other Packaging

Packaging	Reference	Stock	My Price
x 5 l :: Contenedor de plástico	SO1008005P	Check stock	Buy
x 250 ml :: Botella de plástico	SO10080250	Check stock	Buy

- Density: 1,00 g/cm3 r- Solub. in water: (20 ºC): miscibler- Melting point: -5 ºCr- Boiling point: 109 ºCr- 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: 7,02rspecification range: 7,01 - 7,03runcertainty : ± 0,01rComposition per litre is 3,5 g Potassium dihydrogen phosphate and 12,5 g di-Sodium hydrogen phosphate. Contains preservative. 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: 7,12r5: 7,09r10: 7,06r15: 7,04r20: 7,02r25: 7,00r30: 6,99r35: 6,98r40: 6,97r45: 6,96r50: 6,96r

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