Solutions have a shelf life of 1 year unopened, and with proper storage should be used within 3 to 6 months after opening. These NIST-traceable pH calibration solutions are ideal for calibrating pH probes, with several pH levels and sizes available to meet your needs.
Available in 500 mL, 1 Liter, 4 Liter, and 20 Liter sizes:
- pH 4
- pH 7
- pH 10