HI77200P is a set of premium quality 1500 mg/L (ppm) TDS calibration solutions and pH 7.01 buffers that are NIST traceable and produced in accordance with ISO 3696/BS3978. Hanna’s line of calibration solutions are prepared using certified weight-checked balances, Class A glassware and reagent-grade chemicals for optimum quality and accuracy.
Convenience of individual packaging
- Ideal for users that do not calibrate frequently
- Ideal for field use due to portability
- Every sachet is as fresh as the day it was packaged
- Light block packaging prevents oxidation from UV light that could alter the value
Each sachet marked with lot number and expiration date
- Hanna solutions are specially formulated to have an expiration of 5 years from manufacture for an unopened sachet.