Kit provides a range of calibration buffers with accurate calcium concentrations and is useful for the calibration of fluorescent Ca² indicators (1,2).

• Colorless liquids
• Can be stored at 4 °C

Component A (zero free Ca²): Zero mM CaEGTA (10 mM K₂EGTA, 100 mM KCI and 10 mM MOPS, pH 7,20.
Component B (40 µM free Ca²): 10 mM CaEGTA (10 mM CaEGTA,100 mM KCI and 10 mM MOPS, pH 7,20).

This product contains 50 ml each of components A and B.