ANALYSIS TRICHLORO- AND TETRACHLORO-ETHYLENE IN WATER

Abstract

The method for determination of trichloroethylene (TCE) and tetrachloroethylene (TTCE), also known as perchloroethylene (PCE), in water at 1 – 30 mg.l^-1 concentrations was elaborated. Water (1000 ml) is extracted by manual shaking (5 minutes) at 5-7 ^oC with n-pentane (0,5 ml) in the presence of internal standard (1-Cl-n-hexane, 1-Cl-n-octane) and the extract chromatographed using split-splitless injection technique. The recoveries of 28 chlorinated hydrocarbons in water at 5 mg.l^-1 concentrations for each compound relative to internal standard (R=100%) are also introduced. The FID and ECD detectors (in the case of ECD detector without of internal standard) were used in final stage of determination.