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View Actual EPA Method 9065 (PDF File)
EPA Method 9065:PHENOLICS (SPECTROPHOTOMETRIC, MANUAL 4-AAP WITH DISTILLATION)
Summary:Phenolic materials react with 4-aminoantipyrine in the presence of potassium ferricyanide at a pH of 10 to form a stable reddish-brown antipyrine dye. The amount of color produced is a function of the concentration of phenolic material.
Scope:This method is applicable to the analysis of ground water, drinking, surface, and saline waters, and domestic and industrial wastes.
Test Description:Phenolics - Spectrop
Report Number:SW-846 Ch 5