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pH 7.01 Buffer Solution – 16 oz:
PH7 Buffer Solution is the most frequently used pH buffer. All solution bottles come with a pH vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy.
Formulation pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S.R.M.).