Mixed Calibration Standard 2

1-n-Dodecyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-12, Cas.no. 615280-16-5

Atrazine-2-hydroxy, 100mg

PCB Calibration Solutions for GC/MS Calibration Kit, 5 x 500ul, isooctane