Electrode Filling Solutions
Electrode filling solutions used with pH electrodes and reference electrodes maintains proper functioning. These filling solutions are designed to enhance the performance and extend the life of electrodes, with certain filling solutions specifically engineered to be used with ion-selective electrodes and other specialized instruments. The electrode filling solutions are made from the highest quality reagents to provide optimum performance and come in a range of volumes.
VWR® pHASE, Filling Solution for Combined PH Electrodes
Supplier: VWR Collection
Refill solution 3,5 mol/l KCl, VWR®
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Electrolyte filling solution for Ag/AgCl reference electrodes, Supelco®
Supplier: Merck
~3 M Potassium chloride solution saturated with silver chloride (~0,16 M AgCl).
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Calcium ionophore II for ion selective electrodes, Selectophore™, Supelco®
Supplier: Merck
Lipophilic ionophore for Ca²⁺ selective electrodes with detection limit in the sub-nanomolar range.
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VWR® AVS TITRINORM® Potassium Chloride Electrolytic Solutions
Supplier: VWR Chemicals
Potassium chloride 3 Molar solution may also be used as an electrode storage solution.
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VWR®, Electrode Filling and Storage Solution
Supplier: VWR Collection
Calomel-free pH electrode refill solution containing potassium nitrate, VWR®
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Ionic strength adjustor for ammonia
Supplier: Hach
Ammonia Ionic Strength Adjustor (ISA) buffer solution for ammonia determinations by electrode methods.
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Filling Solution, Reference, 1 M KNO₃
Supplier: Hach
Filling solution for electrode reference element, potassium nitrate (KNO₃), 1 M solution.
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Electrode filling solution, IntelliCAL™ PHC281
Supplier: Hach
Internal filling solution for use with PHC281 IntelliCAL™ Ultra pH probes, 2,44M KCl, 59 ml bottle with dispenser cap, IntelliCAL™
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Filling solutions for combined/reference electrodes
Supplier: Hach
Filling and storage solutions for combined and reference electrodes.
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Electrode filling solution
Supplier: Hach
Internal filling solution for IntelliCAL™ PHC301 pH probes and MTC301 ORP probes, 3,0M KCl, saturated with silver chloride (AgCl), 28 ml bottle
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Ionic strength adjusters (ISA), Powder Pillows
Supplier: Hach
Reagents in Powder Pillow form - typically as powder which does not appreciably affect the dilution of the sample.
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Filling solutions for sensION and sensION+ DO probes
Supplier: Hach
Electrolyte filling solution (25 ml) for Sension+ 5120 dissolved oxygen probe
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Electrode solutions and reagents for ion selective electrodes
Supplier: Hach
Electrolyte solution 0,1 M, 125 ml, for sensION+ ISE for sodium ion in range 0,023 - 23000 mg/lL
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Electrolyte Solutions
Supplier: HAMILTON BONADUZ
A variety of electrolyte solutions for pH and ORP electrodes.
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Filling and storage solution for combined/reference electrodes
Supplier: Hach
Shelf life: 48 months from production date.



