Electrode Storage Solutions Code Description Package HI70300L storage solution for pH and ORP electrodes 500 mL bottle HI703004L storage solution for pH and ORP electrodes (Pool Line) 500 mL bottle HI70300P storage solution for pH and ORP electrodes 20 mL sachet (25) HI7003004P storage solution for pH and ORP electrodes (Pool Line) 20 mL sachet (25) HI70300M storage solution for pH and ORP electrodes 230 mL bottle HI70300S storage solution for pH and ORP electrodes 30 mL bottle HI70300G storage solution for pH and ORP electrodes (GroLine®) 20 mL sachet (25) HI70300-050 storage solution for pH and ORP electrodes (GroLine) 500 mL bottle HI70300-023 storage solution for pH and ORP electrodes (GroLine) 230 mL bottle HI70300-012 storage solution for pH and ORP electrodes (GroLine) 120 mL bottle HI80300L storage solution for pH and ORP electrodes 500 mL FDA bottle HI80300M storage solution for pH and ORP electrodes 250 mL FDA bottle HI5300-12 storage solution for pH and ORP electrodes 120 mL bottle Electrode Storage Solutions • Designed for storing any pH or ORP electrode • Special formulation · Special formulation to minimize microbial growth and osmotic/ diffusion effects between the solution and inner reference electrolyte • Expiration date · The production batch number and expiration date are reported on all Hanna calibration solutions. • Air-tight bottles · Air-tight bottle with tamper-proof seal of freshness to ensure quality. • Single use sachets · Opaque packaging prevents oxidation from UV light that could alter the value. Every sachet is as fresh as the day it was packaged. • FDA compliant bottles (HI803xx) · Hanna solutions are offered in opaque bottles that meet FDA requirements. HI70300 is a storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. To ensure an optimum response time, the glass sensor tip and the reference junction of the pH electrode should be kept moist and not be allowed to dry out when not in use. Placing the pH electrode in a small glass filled with storage solution or replacing the solution in the protective cap is a suitable way to store the electrode. Storage solution should also be used to rehydrate the electrode after a cleaning procedure by soaking for at least one hour before taking measurements. 2 pH 2.171 www.hannainst.com | solutions
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