Art.-No. PHD-11F (PP) : Standard Type pH Electrode(PP Material, 1m Cable)-채수형 Art.-No. PHD-120F-3 (PVC) : Throw-In(Immersion) Type pH Electrode with 5m Cable-투입형 pH Standard Solution (pH4, 250mL) pH Standard Solution (pH7, 250mL) pH Electrode Internal Solution (3.3MOL, KCL, 50mL) pH Standard Solution Powder Reagent (pH4, 10 Pack for 500mL) (Phthalate) pH Standard Solution Powder Reagent (pH7, 10 Pack for 500mL) (Neutral Phosphate) ORP Standard Solution Powder Reagent (10 Pack for 500mL) (Quinhydrone Powder) |