(1) This investigation was carried out under the sponsorship of the Office of Rubber Reserve, Reconstruction Finance Corpo? ation. in connection with the Government Synthetic Rubber Program.(2) Swann and Elias, Off. Pub. Bd., US Dept. Commerce, Report PB 1636, 1945. their emulsifier, Mersolat. In seeking methods of identifying and determining alkylsulfinic acids in the presence of alkylsulfonic acids, we have investigated the reabtion of sodium l- ...