Hanna pH 7.01 Calibration Solution

产品信息

All Hanna pH Calibration solution bottles come with a pH Vs. Temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. HI 7007L/C and HI 8007L/C are supplied with an analysis certificate.
Formulation Hanna pH buffers are made of Potassium Dihydrogen Phosphate and Disodium Hydrogen Phosphate and are standardized with a pH meter that is calibrated to NIST primary standard buffer solutions (NIST 186Ie & 186IIe and NIST 158g S.R.M.).

Accuracy of +/- 0.01 pH @ 25°C
Temperature chart of the actual pH value at various temperatures printed on each bottle