The pH Calibration Powder 9.18 is an ideal solution to calibrate your Comboinstruments or other electronic pH meters.
Sepecifications
Buffer pH 9.1
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 is a table for correcting the buffer value depending on the temperature.
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