PH-KL Liquid calibration standards:
SKU Name Price *  
PH-KL4 Calibration buffer pH 4,0, 20ml 2,50 €
(2,90 €)
PH-KL7 Calibration buffer pH 7,0, 20ml 2,50 €
(2,90 €)
PH-KL10 Calibration buffer pH 10,0, 20 ml 2,50 €
(2,90 €)
PH-KLkit pH Calibration - Kit (50ml each 4,01 / 7,00 / 10,01) for IQ Meters 13,50 €
(15,66 €)
All prices excl. shipping *