7.01 pH Buffer Solution 3 @ 20 mL

Three 20 mL sachets of pH 7.01 pH 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 These 20 mL sachets are ideal for infrequent calibrations. Printed on each sachet is a pH / Temperature chart as well as the lot # and expiration date. This buffer is an aqueous solution of dihydrogen phosphate and disodium hydrogen phosphate.