pH Buffer Calibration Kit with pH 4, 7 and 10 Solutions, 250mL Each

This Innovating Science buffer calibration kit contains three 250 mL solutions at pH 4, pH 7, and pH 10, providing the standard reference points needed for pH meter calibration. The 250 mL bottles are conveniently sized for personal lab use or for outfitting a classroom laboratory. The kit includes instructions and safety data sheets for the buffer solutions. The buffers are suitable for use by students aged 13 and older with adult supervision.