Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution.
Hanna’s line of conductivity standards have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
- Temperature chart of the actual µS/cm value at various temperatures printed on each bottle
- Air tight bottle with tamper-proof seal to ensure quality
- µS/cm @25°C : 1413 µS/cm
1x HI7031L EC Calibration Solution 500ML
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