After the bulb and liquid junction are contaminated, clean them with the following solvents, and then use deionized water to remove the solvents, and then immerse the electrodes in the soaking solution to activate them.
Contaminant Cleaner
Inorganic metal oxides less than 1mol/L dilute acid
Organic fats and oils thin detergent (weak acid)
Resin high molecular substance dilute alcohol, acetone, ether
Protein blood cell sediment, acid enzyme solution (such as raw food mother chips)
Pigment substances, dilute bleach, hydrogen peroxide
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