Hanna calibration buffers 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 calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
- Color coded label for easy PH buffer value identification
- Accuracy of +/- 0.01 pH @ 25°C
- Temperature chart of the actual PH value at various temperatures printed on each bottle
Accuracy Standard : ±0.01 PH
pH Value @25°C : 4.01
1x HI7004L pH 4.01 Calibration Solution 500ML
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