| Brand | Hanna Instruments |
|---|---|
| MPN | HI70010P/25 |
Check the listing for details. pH 10.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments. Condition: New. Listed at 49.99 USD. The HI70010P is for 25 sachets containing 20 mL of buffer. Reported values are accurate to +/- 0.01 pH @ 25. Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.