pH Meter Buffer Solution for pH 4.01 (20mL Pack)

Item Number: 24-5441

Sale price$2.49
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pH Meter Buffer Solution for pH 4.01 (20mL Pack)

A pH meter needs to be calibrated before each use, and this is one of the solutions necessary.
Directions: Rinse the electrodes with a small portion of buffer, then standardize in enough fresh buffer to cover the tips of the electrodes. The buffer cannot be reused. Discard after use.

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