Hanna Instrument HI7021L 240 mV @ 25°C ORP Test Solution (500 mL)

The HI7021L ORP test solution is made from reagent-grade chemicals and is used to test platinum and gold ORP electrodes. To ensure the quality of the solution, Hanna test solutions have the lot number and expiration date clearly marked on the label and are air-tight with a tamper-proof seal.

  • Reagent-grade chemicals were used in the preparation.
  • Allows for a quick examination of your ORP electrode.
  • To ensure quality, use an airtight bottle with a tamper-proof seal.
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