EPA Method 300.0 Anions QC Standard Back Catalog number: 52519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1224.24-10MG Bis(2-ethylhexyl) phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-81-7 Price on request 10343.20-10MG Amitriptyline-d3 hydrochloride (N-methyl-d3) Price on request 680678 Biphenyl, 100 µg/ml, Cyclohexane, 1ml Price on request