pH Buffer Capsules, pH 7, 10 Count
Hydrion® Buffer Capsules are perfect for quick and easy pH meter calibration. When mixed with distilled or deionized water, one capsule will accurately produce 100 ml of solution at the indicated pH. Hydrion buffers are free-flowing soluble powders that prepare clear or colorsafe solutions in minutes. A built in preservative ensures long lasting solutions color keyed to easily identify the pH value of the buffer solution. Meets NIST standards and are certified to ±0.02 pH units at 25°C. Contains 10 capsules.
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