| Brand | Hanna Instruments |
|---|---|
| MPN | HI70007P |
Check the listing for details. pH 7.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments. Condition: New. Listed at 1.99 USD. The HI70007P 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.
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