Exaxol Sulfuric Acid, 20% v/v (1+4)

Sulfuric Acid 20% v/v (1+4) by Exaxol, catalog numbers S66730-1 and S66730-4, is a dilute sulfuric acid solution at 20% v/v, prepared as one volume of concentrated acid plus four volumes of water (1+4), roughly 3.6 M. Available in 1 L and 4 L from MBP, a registered vendor to many research institutes across the USA.