Standardized using a pH meter calibrated by means of two standard solutions prepared from NIST standard reference materials.
Color Coded Solutions
An added dye makes it easy to tell which pH buffer you are using.
Certificate of Analysis
A Certificate of Analysis (COA) is available for each batch of buffer solutions. Supplied or available on request.
The production batch number and expiration date are reported on all Hanna calibration solutions.
Safety Data Sheets
Safety data sheets for all Hanna solutions are available at hannainst.com or upon request.
Provided with a label presenting a reference table of the relationship between pH or conductivity values and temperature.