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View Actual EPA Method 8131 (PDF File)
EPA Method 8131:ANILINE AND SELECTED DERIVATIVES BY GAS CHROMATOGRAPHY
Summary:A measured volume of aqueous sample, approximately 1 liter, is solvent extracted at basic pH according to Method 3510 (separatory funnel), Method 3520 (continuous liquid-liquid extraction), or other appropriate technique. Extraction from solid matrices may be performed using Methods 3540, 3541, 3545, or 3550, or other appropriate technique. Both neat and diluted organic liquids may be prepared by Method 3580 (waste dilution) and analyzed by direct injection.
Scope:Method 8131 is used to determine (by gas chromatography with a specific detector) the concentration of aniline and certain derivatives of aniline in extracts prepared from environmental samples and RCRA wastes. It has been validated for aqueous matrices. Application to other matrices must be validated by developing spike recovery data.
Report Number:SW-846 Ch 4.3.1