Method 200.8/1638/1640 Internal Standard

EPA Method 525 Pesticide Standard Sub Conc

1-Hydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 129-43-1

Silver (Ag), 1000µg/ml in 2%-HNO3/Water, 100ml