How to remove the scale in the heating bath of the rotary evaporator, usually baking soda, acetic acid, citric acid, etc. In the laboratory, low concentration citric acid is used to regularly clean the heating bath. On the one hand, citric acid can effectively dissolve the scale and make your heating bath clean as new. On the other hand, citric acid is a weak acidic organic acid, which does not contain chloride ions, and has minimal damage to the stainless steel bath, which can better protect the bath pan from damage. In addition, in the process of heating with tap water, adding a certain proportion of pure water can also delay the formation of scale.
