HORIBA NIST pH Buffer Solution Kit, 250 ml ea (4.01/6.86/9.18/KCl Reference) Code No. 501-S
Specifications
Kit contains:
pH 4.01 Buffer Solution @ 25 °C 250ml
pH 6.86 Buffer Solution @ 25 °C 250ml
pH 9.18 Buffer Solution @ 25 °C 250ml
KCl 3.33 M KCl Internal Reference Solution 250ml