Chapter 15 Maintenance and troubleshooting15.1 Maintenance194 HORIBABefore useBefore using an electrode, condition the electrode according to the following table, to prepareit for measurement.Short-term storageImmerse electrode in the following solutions, when they are to be stored for up to one day andthen reused.Ion electrode Conditioning agent TimeCl- ion electrode No conditioningF- ion electrodeNO3- ion electrode 1 mol/L potassium nitratesolution (100 g/L KNO3)Approx.1 hK+ ion electrode 0.1 mol/L potassium chloridesolution (75 g/L KCl)Approx.12 hCa2+ ion electrode Tap water Approx.3 hNH3 ammonia elec-trodeNo conditioningIon electrode Storage solutionCl- ion electrode de-ionized waterF- ion electrodeNO3- ion electrode 1 mol/L potassium nitrate solution(100 g/L KNO3)K+ ion electrode 0.1 mol/L potassium chloride solu-tion (75 g/L KCl)Ca2+ ion electrode Tap waterNH3 ammonia elec-trode0.01 mol/L ammonium chloridesolution
