3.5M KCI Electrode Filling Solution, 2oz

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Standard filling solution (3.5 M KCl), which acts as the electrolyte. This is a known electrolyte which can be used where the salinity of the sea water is unknown, as in brackish, fresh water / sea inlets. This is ideally suited for areas where chlorides would contaminate the Standard copper sulfate electrode. These areas would include concrete bridge decks (de-icing salts), swamps and marsh lands.