Determination of Methoxyl Groups | SpringerLink
Abstract Modified Zeisel procedures have been used for quantitative determination of alkoxyl groups such as methoxyl (Roth 1953). In the original Zeisel procedure (Zeisel 1885, Zeisel and Fanto 1902, 1903), the treatment of methoxyl- or ethoxyl-containing compounds with concentrated hydriodic acid (HI) at refluxing temperature leads to cleavage of the alkoxyl groups with formation of methyl or ...