pH12.46, etc., should be packed in a polyethylene bottle) with a tight cap. It should be stored at a low temperature (5-10°C) in the refrigerator. Generally, it can be used for about two months. If there is turbidity, mildew, or precipitation, it cannot be used. When using, you should prepare several 50ml polyethylene vials, pour the buffer solution in the large bottle into the vial, and place it at ambient temperature for 1 to 2 hours, and wait for the temperature to equilibrate before use. Do not pour back into the big bottle after use to avoid contamination. The buffer solution in the small bottle can be used for 2~3 days under environmental conditions of >10 gráður. Almennt er hægt að nota notkunartíma lausnanna þriggja pH7.00, pH6.86 og pH4.00. Lengri, pH 9,18 og pH 10,01 lausnir gleypa CO2 í loftinu og tiltölulega auðvelt er að breyta pH gildi þeirra.
Pls Clink neðan mynd og Lestu frekari upplýsingar um þennan PH Meter PH818?
PH818 Vörutengill:
