7.01 pH Buffer Solution
Product ID: 9144
For calibration and storage.
Use this 7.01pH solution for performing a one-point calibration, for storage of the electrode when not in use, and with the 4.01 pH solution for a more accurate, two-point calibration. Includes five 20-ml sachets.
https://www.johnnyseeds.com/tools-supplies/test-measuring-equipment/7.01-ph-buffer-solution-9144.0.html
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