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pH calibration powder 9.18 250ml Comboinstruments
pH calibration powder 9.18 250ml Comboinstruments
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pH calibration powder 9.18 250ml Comboinstruments

  • Powder for the preparation of a solution for the calibration of electronic pH meters.
1,95 EUR
/ szt. gross
The product is available in very large quantities
The product is available in very large quantities
14 days for easy returns
This product is not available in a stationary store
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pH calibration powder 9.18 250ml Comboinstruments
pH calibration powder 9.18 250ml Comboinstruments
Free delivery to parcel machinesMore information
Smile - deliveries from online stores when ordered from EUR10.66 are free.

You buy and delivery is free!

deliveries from online stores are free when you order EUR10.66 .
Free delivery includes parcel delivery to a parcel machine

Buffer pH 9.18.

Tolerance range ± 0.01 pH.

No color, no contamination of the electrode.

Prepare the solution in a glass or inert plastic container.

Shelf life after reconstitution: 1 month.

Store in a cool place away from sunlight.

Economical, reusable, 250 ml buffer capacity.

On the back of the sachet, there is a table for correcting the buffer value depending on the temperature.

 

Directions for use:

Pour the contents of the sachet into 250 ml of demineralized water (at a temperature of 25 ° C), stir with a plastic spoon and wait until the powder is completely dissolved,

then calibrate the meter as instructed, using a solution with a specific pH value.

The pH meter should be calibrated with the buffer closest to the expected pH of the solutions that we usually measure.

For example, if we usually measure acidic solutions, the meter should be calibrated with a pH 4.01 buffer, if we buy alkaline ones with a buffer with a higher pH.

Each pH meter should be periodically calibrated to maintain measurement accuracy. The meter calibrations should be started with acidic solutions, ending with alkaline ones.

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