Буферные растворы Chem-lab со скидкой

This document contains information about three buffered solutions with pH values of 4.000, 7.000, and 10.000 at 25 degrees Celsius. It lists the solutions' identification codes and manufacturer. The solutions have a shelf life of up to 30% and are valid from January 15, 2021 until the end of February 2021. Contact information is provided for the manufacturer.