US 11,774,414 B2
Total organofluorine method for PFAS using reductive defluorination
Kavitha Dasu, Powell, OH (US); Chad Cucksey, Columbus, OH (US); and Franco Pala, Rockland, MA (US)
Assigned to Battelle Memorial Institute, Columbus, OH (US)
Filed by Battelle Memorial Institute, Columbus, OH (US)
Filed on Oct. 5, 2021, as Appl. No. 17/493,849.
Claims priority of provisional application 63/087,688, filed on Oct. 5, 2020.
Prior Publication US 2022/0107291 A1, Apr. 7, 2022
Int. Cl. G01N 30/12 (2006.01); G01N 30/06 (2006.01)
CPC G01N 30/12 (2013.01) [G01N 2030/062 (2013.01); G01N 2030/126 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of determining total organofluorine in a sample comprising PFAS, comprising:
providing a solution of PFAS in an organic solvent;
treating the solution of PFAS with sodium metal and alcohol to obtain sodium fluoride; and
quantifying the amount of the fluoride.