pH-buffers

pH-buffers zijn essentieel voor de routinematige kalibratie van pH-meters om het nauwkeurige pH-bereik van een zuur of base vast te leggen. Klaar-voor-gebruik oplossingen elimineren de tijd, kosten en besmettingsrisico’s van het mengen van buffers. pH-buffers kunnen worden gebruikt om zwak zuur, geconjugeerde base, sterk zuur, bloed-pH enz. te identificeren. Met gekleurde en kleurloze pH-bufferopties kunnen onderzoekers efficiënt de juiste indicatoroplossing kiezen voor elke test. Poederzakjes en sachets stellen laboratoria in staat geconcentreerde stoffen langer op te slaan zonder dat ze worden aangetast.

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VWR®, pH electrode maintenance kit

Supplier: VWR Chemicals

The measurement of the pH value is one of the most frequently and universally made measurements in science.

What is often not fully understood is the fact that a large number of problems related to pH measurement is the
correct selection, care or maintenance of the electrodes with particular emphasis on the reference electrode.

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J.T.Baker® BAKER ANALYZED®, Buffer Solutions

Supplier: Avantor

Ready-to-use pH buffers are manufactured in large lots to stringent specifications and utilise quality control procedures to reduce lot-to-lot variability. You can eliminate the time and expense of preparation and standardisation of solutions, helping streamline high-volume analytical work in applications such as quality control.

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Buffer solution pH 7, Phosphate buffer

Supplier: Thermo Fisher Scientific

Potassium dihydrogen phosphate and di-Sodium hydrogen phosphate in aqueous solution, Fosfaat, pH-waarde: 7,00, ±0,02

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Buffer solution pH 10, carbonate buffer

Supplier: Thermo Fisher Scientific

CAS No.: 1332-57-6

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Buffer solutions, ready to use

Supplier: Thermo Fisher Scientific

pH Buffer solution, Boraat, pH-waarde: 9,2, ±0,02, kleurloos

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pH buffer solutions, colour coded

Supplier: Hach

For calibration of pH meters

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pH buffer, single-use, SINGLET™

Supplier: Hach

These buffers solutions packs are used for pH meter calibration. The sealed foil pouches can be transported easily and safely without any spillage and also prevents contamination or exposure to air of the solutions.

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pH buffers, DuraCal

Supplier: HAMILTON BONADUZ

For full information concerning health and safety data please contact Avantor or Hamilton directly.

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Buffer solutions, pH 4,00

Supplier: PanReac AppliChem

Buffer solutions contain citric acid 1 H₂O (11,768 g); sodium hydroxide 50% (6 ml); hydrochlorid acid 35% (3,96 ml); preservative 1% (5 ml) and water (1 l).

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Buffer solution, pH 6,865

Supplier: PanReac AppliChem

These buffer solutions are useful for the calibration of high precision laboratory pH meters.

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Buffer powder pillows

Supplier: Hach

The unit-dose powder pillows assure buffer freshness and eliminate the possibility of contamination. Each powder pillow prepares 50 ml of buffer solutions of respective pH.