3 Putrescibility and Relative Stability

The putrescibility, or relative stability, test arose in the late 1890s and early 1900s as an empirical procedure to determine if a wastewater effluent is satisfactorily neutralized or purified. It consists of sealing a small portion of the wastewater in a bottle and then incubating it for a period of time, 24 hours being common. After incubation,...