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Best Pe 100 150 Tph Marble Processing Plant Approved Ce

The commonly used analytic method for assessing total petroleum hydrocarbons TPH in soil EPA method 4181 is usually based on extraction with 112trichlorotrifluoroethane Freon 113 and FTIR spectroscopy of the extracted solvent This method is widely used for initial site investigation due to the relative low price per sample It is known that the extraction efficiency varies

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