1M Potassium acetate solution is sterile and its pH is adjusted with acetic acid. It is widely used in molecular biology for the purification of plasmid DNA during alkaline lysis method Potassium acetate is the potassium salt of acetic acid. It is prepared by the reaction of a potassium containing base e.g. potassium hydroxide or potassium carbonate with acetic acid. 1M Potassium acetate solution is sterile and its pH is adjusted with acetic acid. It is widely used in molecular biology for the purification of plasmid DNA during alkaline lysis method. In addition, it can be readily used for various molecular biology applications.