Calibration Solution, pH 12.45

• pH 12.45 ±0.05 at 25 °C, 250 ml
• Based on NIST Standard Reference Material (SRM)
• For calibration in the strongly alkaline range, automatically detected by Apera meters
• Ready to use: Instead of first dissolving the powder in distilled water, you can use this solution immediately
• Storage: 5 to 25 °C; seal tightly immediately after use (alkaline buffers absorb CO₂ from the air)
• Long shelf life; batch certificate available online

Temperature table: 10 °C 13.00 | 15 °C 12.81 | 20 °C 12.62 | 25 °C 12.45 | 30 °C 12.28 | 35 °C 12.13 | 40 °C 11.98 | 50 °C 11.70