Method for detection and quantification of the additives used in the enhanced recovery of oil and shale gas

Method for detection and quantification of the additives used in the enhanced recovery of oil and shale gas, it is a method for detection and quantification of the additives used in the enhanced recovery of oil and shale gas, in a complex aqueous fluid. In particular, the present invention relates to a method for detection and quantification of water-soluble polymers used in enhanced oil recovery and shale gas, in a complex aqueous fluid.