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pH Meter Buffer Solution pH 4.01

$1.99
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pH Meter Buffer Solution pH 4.01
Product Details
This lab grade pH 4.01 buffer solution calibrates your pH meter with an accuracy of +/-0.01 pH, removing the inaccuracies involved with mixing calibration solutions from powder.  Sachet packaging means that you get fresh solution every time, and it is ideal for infrequent or field use.  There is no risk of using expired calibration solution.
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