pH Electrodes
ProSource Scientific pH Electrodes Application Guide
| Application | Suggested Electrode |
| Drinking Water | Standard Ag/Cl with single junction |
| Wastewater, solutions with heavy metal | Double junction solutions |
| Biological samples, proteins and Tris buffers | Calomel or double junction |
| Pharmaceuticals | |
| Low ionic strength samples | Flushable or sleeve-type refillable electrode |
| Boiler feed water and distilled water | |
| Soil samples | Soil electrode, double junction |
| Moist, flat surfaces, concrete, cheese, agar, paper and skin | Flat-surface, calomel |
| Semisolid samples, food, fruits, cheese and meat | Spear tip |
| Non-aqueous samples, solvents, alcohols, viscous samples, slurries, suspended solids, sludges, emulsions and oils, paints and inks | Sleeve-type, flushable or double-junction electrode and fill with electrolyte containing methanol |
| Environmental, surface water, neutralization tanks | Double junction submersible |
ProSource Scientific Calomel pH Electrodes
These electrodes use a Hg/Cl reference to withstand solutions that react with the silver typically used in pH reference electrodes. Ideal for solutions containing organics. Choose from pin or annular junction.
ProSource Scientific Double Junction Epoxy Body Gel-Filled pH Electrodes
Ideal for most applications, including dirty field water and solutions with heavy metals or organics. Pin-type junction provides low electrolyte flow for long life.
ProSource Scientific Double Junction Epoxy Body Refillable pH Electrodes
Ideal for testing dirty water, slurries, oils, paints, pastes, low ionic strength solutions and solutions with heavy metals or organics. Flushable annular junction lets you refresh junction by pressing electrode cap – cleans clogs instantly.
ProSource Scientific Double Junction Glass Body Refillable pH Electrodes
These laboratory grade electrodes are ideal for testing dirty water and solutions with heavy metals or organics. Annular-type junction provides faster electrode response.
ProSource Scientific Flat Surface Single Junction pH Electrodes
Ideal for flat surface measurements such as paper or skin, these single junction electrodes are available with sealed epoxy body or refillable glass body.
ProSource Scientific Glass Body, Spear Tip pH Electrodes
8mm spear tip feature is ideal for testing semisolids. Choose single or double junction electrodes; both have an annular-type junction for faster electrode response.
ProSource Scientific Polymer Gel Single Junction pH Electrode
Polymer gel reference fill won’t break down over time, enhancing electrode performance and longevity.
ProSource Scientific Semi-Dome Epoxy Body Gel-Filled pH Electrodes
Special close-knit ceramic junction prevents back diffusion problems and resists clogging. Vortexing junction design enhances electrolyte flow and self-cleans in flowing applications.