| industry | ion selective electrode |
| agriculture | Nitrate electrode, calcium ion electrode, sodium ion electrode, potassium ion electrode, bromide ion electrode, chloride ion electrode, ammonium ion electrode, fluoride ion electrode, thiocyanate electrode, sulfate, mercury ion electrode, nitrite electrode |
| plant tissue | Nitrate electrode, chloride ion electrode, fluoride ion electrode, iodide ion electrode, cyanide ion electrode, calcium ion electrode, sulfur ion electrode, potassium ion electrode, thiocyanate electrode |
| fertilizer | Ammonia gas sensitive electrode, nitrate electrode, potassium ion electrode, fluorine ion electrode |
| Aquaculture | Ammonia gas sensitive electrode, calcium ion electrode, nitrite electrode, ammonium ion electrode |
| biomedical research | Calcium ion electrode, carbon dioxide electrode, ammonia gas sensitive electrode, ammonium ion electrode, thiocyanate electrode, sulfate electrode |
| educate | Various Ion Selective Electrodes |
| food processing | Chloride ion electrode, nitrate electrode, sodium ion electrode, iodide ion electrode, nitrite electrode, sulfate electrode, mercury ion electrode. copper ion electrode |
| milk and dairy products | Chloride ion electrode, calcium ion electrode, fluoride ion electrode, iodide ion electrode, nitrite electrode, sulfate electrode |
| soft drink | Chloride ion electrode, fluoride ion electrode, carbon dioxide electrode, residual chlorine gas electrode, nitrous acid electrode |
| Alcohol | Potassium ion electrode, sodium ion electrode, carbon dioxide electrode, fluoride ion electrode, bromide ion electrode, calcium ion electrode, residual chlorine electrode, thiocyanate electrode |
| vegetable | Nitrate electrode, chloride ion electrode, nitrous acid electrode, sulfate electrode |
| Geology and Mining | Fluoride ion electrode, calcium ion electrode, cyanide ion electrode, fluoroborate electrode, nitrate electrode, mercury ion electrode, copper ion electrode, lead ion electrode, chloride ion electrode |
| Metallurgy and Metal Plating | Fluoride ion electrode, copper ion electrode, cyanide ion electrode, fluoroborate electrode, nitrate electrode, ammonium ion electrode, thiocyanate electrode, mercury ion electrode, zinc ion electrode, zirconium ion electrode, aluminum ion electrode, trivalent chromium ion Electrode, Nickel ion electrode, Ferric ion electrode, Sulfate electrode |
| Plating tank | Chloride ion electrode, residual chlorine gas electrode, ammonia gas sensitive electrode, ammonium ion electrode, thiocyanate electrode, mercury ion electrode, zinc ion electrode, zirconium ion electrode, aluminum ion electrode, trivalent chromium ion electrode, nickel ion electrode, trivalent Iron ion electrode, sulfate radical electrode, copper ion electrode |
| pulp and paper | Sodium ion electrode, fluoride ion electrode, calcium ion electrode, sulfate radical electrode |
| oil refining | Ammonia gas sensitive electrode, chloride ion electrode, thiocyanate ion electrode, sulfate ion electrode, calcium ion electrode, water hardness electrode |
| pharmaceutical | Fluoride ion electrode, ammonia gas sensitive electrode in protein solution, ammonium ion electrode, thiocyanate electrode, bromide ion electrode, iodine ion electrode |
| sewage treatment | Nitrate electrode, ammonia gas sensitive electrode, residual chlorine electrode, nitrite electrode, thiocyanate electrode, ammonium ion electrode |
| Steam and Power Generation | Chloride ion electrode, sodium ion electrode, residual chlorine gas electrode, fluoroborate electrode, calcium ion electrode, sulfate electrode |
| drinking water | Total residual chlorine electrode, nitrate electrode, calcium ion electrode, chloride ion electrode, fluoride ion electrode, water hardness electrode, copper ion electrode, lead ion electrode, sulfate electrode |
| natural water | Bromide ion electrode, calcium ion electrode, chloride ion electrode, fluoride ion electrode, nitrate electrode, potassium ion electrode, silver ion electrode, sodium ion electrode, copper ion electrode, nitrite electrode, ammonium ion electrode, sulfate electrode |
| seawater | Sodium ion electrode, chloride ion electrode, fluoride ion electrode, nitrate electrode, ammonia gas sensitive electrode, nitrite electrode, ammonium ion electrode, sulfate electrode, cadmium ion electrode, copper ion electrode, mercury ion electrode |
| aquaculture | Nitrite electrode, ammonium ion electrode, mercury ion electrode, ammonia nitrogen electrode, nitrate ion electrode |