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Avogadro's Lab Supply

Calibration Buffer
pH 4.01

Offered here is a 230 mL container of pH 4.01 calibrating buffer solution.  

Milwaukee buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to the NIST primary standard buffer solutions 

Printed on each bottle is a pH / temperature chart as well as the lot # and expiration date.

This buffer is an aqueous solution of hydrogen phthalate.

Available in 230 ml containers 

   

and in 20 ml sachets.

All merchandise offered by Avogadro's Lab Supply
is New from the manufacturer!

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