Apera Instruments pH calibration solution 4.01/7.00 + 3M KCl electrode storage solution 250ml each, buffer solution set single
Apera Instruments pH calibration solution 4.01/7.00 + 3M KCl electrode storage solution 250ml each, buffer solution set
Product Features
- pH 4.00, pH 7.00 and 3M KCl each 250ml
- Precise calibration: The accuracy of pH 0.015 allows highly accurate calibration
- Easy recognition: using The colors allow you to recognize the correct solution at a glance (pH4: red; pH7: green)
- Use immediately: Instead of first dissolving powder in distilled water, you can use this solution immediately
- Long shelf life: Up to 3 years shelf life.