PH TEST KIT PURE WATER F/LW-ION STR SOL ,Each

Details

Pure Water pH Test Kit^ Uses pure water pH additive pHISA* Adjustor to increase ionic strength. Includes four 475mL bottles pH buffer A (pH 6.97), two 475mL bottles pH buffer B (pH 4.10), two 50mL bottles pHISA Adjustor, 1mL syringe, holding tray, instruction card and application procedure pamphlet.