The Apera Instruments AI1104 pH Calibration Buffer Solution Kit includes 250ml bottles of pH buffer solutions (pH 4.01, pH 7.00, pH 10.01 & 3M KCl). The color-coded buffer solutions are standardized against NIST certified pH references within ±0.015 pH at 25°C
- High Accuracy (±0.015 pH): standardized against NIST certified pH references within 0.015 pH at 25°C. Ideal for the calibration of all kinds of pH meters
- Color-coded, 3-Year shelf life
- Expiration date and Temperature/pH reference chart provided for reference
- The 3M KCL Storage Solution helps keep the sensitivity and accuracy of your pH probes
- Non-hazardous product (MSDS is downloadable)
- 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.