Description_x000D_ General description_x000D_ Sigma’s Sodium Acetate Buffer is a 3M solution prepared with 18 megaohm water and filter-sterilized._x000D_ Application_x000D_ Sodium acetate buffer solution is suitable for precipitation of DNA, elution of proteins and for use in molecular biology applications such as ChIP-on-ChIP assay and in vitro enzyme inhibition assay.