pH METER BUFFER SOLUTION FOR pH 4.01 20mL PACK
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- pH 4.01 Calibration Buffer Solution - 20 mL.
- Fundamental for the correct use of electrodes and for obtaining the most accurate and reproducible readings.
- Sealed against light and air.
- Ideal for on-the-spot calibration.
- Simply open, insert the tester or electrode into the sachet and calibrate.
- Formulated with a 5 year expiry.
- Color coded for easy identification.