01 — Description
Présentation du produit
Buffer pH 4 will allow you to check and calibrate your pH tester.
This bottle of Buffer 4 contains 250 mL of solution, representing 13 calibrations.
How to calibrate your pH tester?
- Simply open the pH 4 sachet
- Dip the tester electrode into the calibration solution
- Turn on your pH tester then wait a few moments for the pH to stabilize
- If your tester indicates a value other than 4 in the buffer solution, set the pH level indicated on the screen to 4.00 Ph
- Be careful not to reuse the calibration solution used during the operation.
- Repeat this operation with the pH 7 buffer.
