WA EPH Matrix Spike Mix Back Catalog number: 51145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3522.9-100 Trietazine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1912-26-1 Price on request 90396 Internal Standard Price on request 2808.11-10MG 3-Methyl-1-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 13615-40-2 Price on request