Apera Instruments AI1114 16 oz. pH Calibration Buffer Solution Kit (pH 4.00 and 7.00)

Features:

• High Accuracy (±0.01 pH): standardized against NIST-certified pH references within 0.01 pH at 25°C (77°F). Ideal for the calibration of all kinds of pH meters
• Color-coded, Double-sealed, 2-Year shelf life. Expiration date and Temperature/pH reference chart provided for reference
• Apera's unique CalPod included for streamlining your calibration process
• Non-hazardous product .
• The Apera Instruments AI1116 pH Calibration Buffer Solution Kit includes three 16oz bottles of pH buffer solutions (pH 4.00& pH 7.00), plus one piece of Apera's Calpod Solution Organizer, which helps streamline the calibration process. The color-coded buffer solutions are standardized against NIST-certified pH references within 0.01 pH at 25°C (77°F). It's ideal for the calibration of all kinds of pH meters. Since pH level is affected by temperature, a temperature/pH reference chart is provided on the bottle label for reference.
• 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.