Milwaukee 4.01 pH Buffer Solution 230 mL MA9004

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230 mL of pH 4.01 pH buffer solution. pH 4.01 solutions are widely used in water purification plants, in the food industry and where ever the pH is expected to be slightly acidic. 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 This buffer is an aqueous solution of hydrogen phthalate.Expiration dates are current from manufacturer. Show more