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Product Description
HANNA® buffer solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards.
All pH 4 solutions show batch number, expiration date and the correlation table between pH and temperature.
pH 7.01 is the most widely used among all buffer solutions.
TDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride.
The 1413 μS/cm solution is the one best suited for general use.
