HI54710 is a set of premium quality pH 4.01, 7.01 and 10.01 technical calibration buffers that are NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution.
- Supplied with Certificate of Analysis
- Accuracy of +/- 0.01 pH @ 25°C
- Temperature chart of the actual pH value at various temperatures printed on each bottle
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