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pH 4 Buffer Solution

$2.99

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Model number: PH4B-22

These standardized liquids are used to check the accuracy of pH electrodes. Use any two of them to establish the proper slope for the meter.

pH 4 Buffer Solution

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1 reviews

pH 4 Buffer Solution

pH 4 Buffer 11/05/2018
By Bob Romano
Good calibration solution; very stable

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