pH 4.01 Calibration Solution 500mL
pH 4.01 Calibration Solution 500mL
Hanna Calibration Buffers are clearly labeled with the lot number and expiration date and are airtight with a tamper-evident seal ensuring the quality of the solution.
The Hanna Calibration Buffer line has been specially formulated to expire 5 years from the date of manufacture for an unopened bottle.
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