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Hanna Instruments pH 4 Calibration Solution, 500 ml

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$ 17.97
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# HI701
Out of Stock Please call for availability
Weight: 1.20 lbs

Premixed pH 4 calibration solution

A premixed calibration solution designed for pH meters when measuring pH levels below 7.Dip the pH electrode into pH 7.01 solution as a first buffer and wait for unit to stabilize to 7.01 pH. Then use 4.01 as a second buffer solution and wait for your meter to stabilize to 4.01.Discard buffers after each use.



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