Apera Instruments AI1121 pH 1.68 Calibration Buffer Solution 8 oz

The Apera Instruments AI1121 pH 1.68 Calibration Buffer Solution is color-coded and standardized against NIST certified pH references within 0.01 pH at 25°C (77°F). It's ideal for the calibration of pH meters/testers that can automatically recognize pH 1.68 standard e.g. Apera PH60, PH700, PH800, PC400S. Since pH level is affected by temperature, a temperature/pH reference chart is provided on the bottle label for reference.

Features:

• High Accuracy (±0.01 pH): standardized against NIST certified pH references within 0.01 pH at 25°C (77°F).
• For the calibration of pH meters/testers that can recognize pH 1.68 solution
• Double-sealed, 2-Year shelf life
• Non-hazardous product.
• All the solutions are double-sealed, not subject to the DOT shipping restrictions, and have a 2-year shelf life. The expiration date is printed on the bottle. 

Note: Store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of reach of children.