pH 4,01 Buffer Solution 20 ml (Code: HI70004P)

Hanna buffer solutions are prepared according to precise formulas and are standardized with a pH electrode and meter calibrated with NIST standards. This buffer value is widely used in water purification plants, in the food industry and where ever the pH is expected to be slightly acidic.

All pH 4 solutions show batch number, expiration date and the correlation table between pH and temperature.