Oakton AO-05992-47 Oakton Electrode Fill Solution, 3.8M KCL, 2/Pack (Pack of 2)

Choose from two types of reference fill solutions: 3.8 m KCl saturated with ACL for ACL/AgCl electrodes, or 4 m KCl for calomel (Hg/Hg22) electrodes. Both solutions come in a Pack of two 125-ml — enough to fill approximately 25...