Calibration Powder for pH Measuring Instruments – pH 4.00

Calibration Powder for pH Measuring Instruments – pH 4.00

Easy preparation for precise pH calibration

The pH 7.00 calibration powder allows quick and effortless preparation of a standard calibration solution for pH meters. Simply dissolve the sachet in 250 ml of pure distilled water, immerse the electrode, and calibrate the device according to the manufacturer’s instructions – ensuring accurate and reliable pH measurements every time.