pH Buffer Calibration Solutions Kit with pH 4/7/10 Buffers and KCl Storage Solution, 500mL Each Base Size_13 x 7" combining chemical resistance with the

combining chemical resistance with the volume supply for installing multiple fluid runs at once

supporting teaching of brain protection and meningeal anatomy in a single compact model

letting heated liquid rise and circulate through the loop for a clear convection-current demo

Cloth fi bers

Large-format aluminum bucket-and-cylinder set for Archimedes-principle demonstration

pH Buffer Calibration Solutions Kit with pH 4/7/10 Buffers and KCl Storage Solution, 500mL Each Base Size_13 x 7" combining chemical resistance with theThree point pH meter calibration kit with 500mL each of pH 4. 00, 7. 00, and 10. 00 buffers, plus 100mL of 1M KCl electrode storage solution for full calibration across the meter's range.